diff --git a/MediaBrowser.Api/Movies/MoviesService.cs b/MediaBrowser.Api/Movies/MoviesService.cs
index 065f88268..1f0133e73 100644
--- a/MediaBrowser.Api/Movies/MoviesService.cs
+++ b/MediaBrowser.Api/Movies/MoviesService.cs
@@ -197,12 +197,7 @@ namespace MediaBrowser.Api.Movies
 
             var parentIds = new string[] { };
             var list = _libraryManager.GetItemList(query, parentIds)
-                .Where(i =>
-                {
-                    // Strip out secondary versions
-                    var v = i as Video;
-                    return v != null && !v.PrimaryVersionId.HasValue;
-                })
+                .DistinctBy(i => i.PresentationUniqueKey, StringComparer.OrdinalIgnoreCase)
                 .DistinctBy(i => i.GetProviderId(MetadataProviders.Imdb) ?? Guid.NewGuid().ToString("N"))
                 .ToList();
 
@@ -247,7 +242,7 @@ namespace MediaBrowser.Api.Movies
             var recentlyPlayedMovies = allMoviesForCategories
                 .Select(i =>
                 {
-                    var userdata = _userDataRepository.GetUserData(user.Id, i.GetUserDataKey());
+                    var userdata = _userDataRepository.GetUserData(user, i);
                     return new Tuple<BaseItem, bool, DateTime>(i, userdata.Played, userdata.LastPlayedDate ?? DateTime.MinValue);
                 })
                 .Where(i => i.Item2)
@@ -260,7 +255,7 @@ namespace MediaBrowser.Api.Movies
                 .Select(i =>
                 {
                     var score = 0;
-                    var userData = _userDataRepository.GetUserData(user.Id, i.GetUserDataKey());
+                    var userData = _userDataRepository.GetUserData(user, i);
 
                     if (userData.IsFavorite)
                     {
diff --git a/MediaBrowser.Api/UserLibrary/BaseItemsByNameService.cs b/MediaBrowser.Api/UserLibrary/BaseItemsByNameService.cs
index 6ae2b0832..b3164ce3f 100644
--- a/MediaBrowser.Api/UserLibrary/BaseItemsByNameService.cs
+++ b/MediaBrowser.Api/UserLibrary/BaseItemsByNameService.cs
@@ -274,7 +274,7 @@ namespace MediaBrowser.Api.UserLibrary
             {
                 items = items.Where(i =>
                     {
-                        var userdata = UserDataRepository.GetUserData(user.Id, i.GetUserDataKey());
+                        var userdata = UserDataRepository.GetUserData(user, i);
 
                         return userdata != null && userdata.Likes.HasValue && !userdata.Likes.Value;
                     });
@@ -284,7 +284,7 @@ namespace MediaBrowser.Api.UserLibrary
             {
                 items = items.Where(i =>
                 {
-                    var userdata = UserDataRepository.GetUserData(user.Id, i.GetUserDataKey());
+                    var userdata = UserDataRepository.GetUserData(user, i);
 
                     return userdata != null && userdata.Likes.HasValue && userdata.Likes.Value;
                 });
@@ -294,7 +294,7 @@ namespace MediaBrowser.Api.UserLibrary
             {
                 items = items.Where(i =>
                 {
-                    var userdata = UserDataRepository.GetUserData(user.Id, i.GetUserDataKey());
+                    var userdata = UserDataRepository.GetUserData(user, i);
 
                     var likes = userdata.Likes ?? false;
                     var favorite = userdata.IsFavorite;
@@ -307,7 +307,7 @@ namespace MediaBrowser.Api.UserLibrary
             {
                 items = items.Where(i =>
                 {
-                    var userdata = UserDataRepository.GetUserData(user.Id, i.GetUserDataKey());
+                    var userdata = UserDataRepository.GetUserData(user, i);
 
                     return userdata != null && userdata.IsFavorite;
                 });
diff --git a/MediaBrowser.Api/UserLibrary/UserLibraryService.cs b/MediaBrowser.Api/UserLibrary/UserLibraryService.cs
index c2c481cb6..8cc5cab35 100644
--- a/MediaBrowser.Api/UserLibrary/UserLibraryService.cs
+++ b/MediaBrowser.Api/UserLibrary/UserLibraryService.cs
@@ -519,10 +519,8 @@ namespace MediaBrowser.Api.UserLibrary
 
             var item = string.IsNullOrEmpty(itemId) ? user.RootFolder : _libraryManager.GetItemById(itemId);
 
-            var key = item.GetUserDataKey();
-
             // Get the user data for this item
-            var data = _userDataRepository.GetUserData(user.Id, key);
+            var data = _userDataRepository.GetUserData(user, item);
 
             // Set favorite status
             data.IsFavorite = isFavorite;
@@ -567,10 +565,8 @@ namespace MediaBrowser.Api.UserLibrary
 
             var item = string.IsNullOrEmpty(itemId) ? user.RootFolder : _libraryManager.GetItemById(itemId);
 
-            var key = item.GetUserDataKey();
-
             // Get the user data for this item
-            var data = _userDataRepository.GetUserData(user.Id, key);
+            var data = _userDataRepository.GetUserData(user, item);
 
             data.Likes = likes;
 
diff --git a/MediaBrowser.Api/VideosService.cs b/MediaBrowser.Api/VideosService.cs
index c6ec69c85..6cefda3a3 100644
--- a/MediaBrowser.Api/VideosService.cs
+++ b/MediaBrowser.Api/VideosService.cs
@@ -130,6 +130,7 @@ namespace MediaBrowser.Api
             var items = request.Ids.Split(',')
                 .Select(i => new Guid(i))
                 .Select(i => _libraryManager.GetItemById(i))
+                .OfType<Video>()
                 .ToList();
 
             if (items.Count < 2)
@@ -137,14 +138,7 @@ namespace MediaBrowser.Api
                 throw new ArgumentException("Please supply at least two videos to merge.");
             }
 
-            if (items.Any(i => !(i is Video)))
-            {
-                throw new ArgumentException("Only videos can be grouped together.");
-            }
-
-            var videos = items.Cast<Video>().ToList();
-
-            var videosWithVersions = videos.Where(i => i.MediaSourceCount > 1)
+            var videosWithVersions = items.Where(i => i.MediaSourceCount > 1)
                 .ToList();
 
             if (videosWithVersions.Count > 1)
@@ -156,7 +150,7 @@ namespace MediaBrowser.Api
 
             if (primaryVersion == null)
             {
-                primaryVersion = videos.OrderBy(i =>
+                primaryVersion = items.OrderBy(i =>
                 {
                     if (i.Video3DFormat.HasValue)
                     {
@@ -179,7 +173,7 @@ namespace MediaBrowser.Api
                     }).First();
             }
 
-            foreach (var item in videos.Where(i => i.Id != primaryVersion.Id))
+            foreach (var item in items.Where(i => i.Id != primaryVersion.Id))
             {
                 item.PrimaryVersionId = primaryVersion.Id;
 
diff --git a/MediaBrowser.Controller/Entities/Audio/Audio.cs b/MediaBrowser.Controller/Entities/Audio/Audio.cs
index 929308ba0..fd56a6746 100644
--- a/MediaBrowser.Controller/Entities/Audio/Audio.cs
+++ b/MediaBrowser.Controller/Entities/Audio/Audio.cs
@@ -26,7 +26,7 @@ namespace MediaBrowser.Controller.Entities.Audio
         IArchivable
     {
         public List<ChannelMediaInfo> ChannelMediaSources { get; set; }
-        
+
         public long? Size { get; set; }
         public string Container { get; set; }
         public int? TotalBitrate { get; set; }
@@ -150,12 +150,10 @@ namespace MediaBrowser.Controller.Entities.Audio
                     + (IndexNumber != null ? IndexNumber.Value.ToString("0000 - ") : "") + Name;
         }
 
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
+        public override List<string> GetUserDataKeys()
         {
+            var list = base.GetUserDataKeys();
+
             if (ConfigurationManager.Configuration.EnableStandaloneMusicKeys)
             {
                 var songKey = IndexNumber.HasValue ? IndexNumber.Value.ToString("0000") : string.Empty;
@@ -165,7 +163,7 @@ namespace MediaBrowser.Controller.Entities.Audio
                 {
                     songKey = ParentIndexNumber.Value.ToString("0000") + "-" + songKey;
                 }
-                songKey+= Name;
+                songKey += Name;
 
                 if (!string.IsNullOrWhiteSpace(Album))
                 {
@@ -178,25 +176,25 @@ namespace MediaBrowser.Controller.Entities.Audio
                     songKey = albumArtist + "-" + songKey;
                 }
 
-                return songKey;
+                list.Insert(0, songKey);
             }
-
-            var parent = AlbumEntity;
-
-            if (parent != null)
+            else
             {
-                var parentKey = parent.GetUserDataKey();
+                var parent = AlbumEntity;
 
-                if (IndexNumber.HasValue)
+                if (parent != null && IndexNumber.HasValue)
                 {
-                    var songKey = (ParentIndexNumber != null ? ParentIndexNumber.Value.ToString("0000 - ") : "")
-                                  + IndexNumber.Value.ToString("0000 - ");
+                    list.InsertRange(0, parent.GetUserDataKeys().Select(i =>
+                    {
+                        var songKey = (ParentIndexNumber != null ? ParentIndexNumber.Value.ToString("0000 - ") : "")
+                                      + IndexNumber.Value.ToString("0000 - ");
 
-                    return parentKey + songKey;
+                        return i + songKey;
+                    }));
                 }
             }
 
-            return base.CreateUserDataKey();
+            return list;
         }
 
         public override UnratedItem GetBlockUnratedType()
diff --git a/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs b/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs
index e6178c183..5cb4e8c9d 100644
--- a/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs
+++ b/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs
@@ -96,36 +96,34 @@ namespace MediaBrowser.Controller.Entities.Audio
 
         public List<string> Artists { get; set; }
 
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
+        public override List<string> GetUserDataKeys()
         {
-            var id = this.GetProviderId(MetadataProviders.MusicBrainzReleaseGroup);
-
-            if (!string.IsNullOrWhiteSpace(id))
-            {
-                return "MusicAlbum-MusicBrainzReleaseGroup-" + id;
-            }
-
-            id = this.GetProviderId(MetadataProviders.MusicBrainzAlbum);
-
-            if (!string.IsNullOrWhiteSpace(id))
-            {
-                return "MusicAlbum-Musicbrainz-" + id;
-            }
+            var list = base.GetUserDataKeys();
 
             if (ConfigurationManager.Configuration.EnableStandaloneMusicKeys)
             {
                 var albumArtist = AlbumArtist;
                 if (!string.IsNullOrWhiteSpace(albumArtist))
                 {
-                    return albumArtist + "-" + Name;
+                    list.Insert(0, albumArtist + "-" + Name);
                 }
             }
 
-            return base.CreateUserDataKey();
+            var id = this.GetProviderId(MetadataProviders.MusicBrainzAlbum);
+
+            if (!string.IsNullOrWhiteSpace(id))
+            {
+                list.Insert(0, "MusicAlbum-Musicbrainz-" + id);
+            }
+
+            id = this.GetProviderId(MetadataProviders.MusicBrainzReleaseGroup);
+
+            if (!string.IsNullOrWhiteSpace(id))
+            {
+                list.Insert(0, "MusicAlbum-MusicBrainzReleaseGroup-" + id);
+            }
+
+            return list;
         }
 
         protected override bool GetBlockUnratedValue(UserPolicy config)
diff --git a/MediaBrowser.Controller/Entities/Audio/MusicArtist.cs b/MediaBrowser.Controller/Entities/Audio/MusicArtist.cs
index 02bcceada..2cca63217 100644
--- a/MediaBrowser.Controller/Entities/Audio/MusicArtist.cs
+++ b/MediaBrowser.Controller/Entities/Audio/MusicArtist.cs
@@ -80,13 +80,12 @@ namespace MediaBrowser.Controller.Entities.Audio
             ProductionLocations = new List<string>();
         }
 
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
+        public override List<string> GetUserDataKeys()
         {
-            return GetUserDataKey(this);
+            var list = base.GetUserDataKeys();
+
+            list.InsertRange(0, GetUserDataKeys(this));
+            return list;
         }
 
         /// <summary>
@@ -121,16 +120,18 @@ namespace MediaBrowser.Controller.Entities.Audio
         /// </summary>
         /// <param name="item">The item.</param>
         /// <returns>System.String.</returns>
-        private static string GetUserDataKey(MusicArtist item)
+        private static List<string> GetUserDataKeys(MusicArtist item)
         {
+            var list = new List<string>();
             var id = item.GetProviderId(MetadataProviders.MusicBrainzArtist);
 
             if (!string.IsNullOrEmpty(id))
             {
-                return "Artist-Musicbrainz-" + id;
+                list.Add("Artist-Musicbrainz-" + id);
             }
 
-            return "Artist-" + item.Name;
+            list.Add("Artist-" + item.Name);
+            return list;
         }
 
         protected override bool GetBlockUnratedValue(UserPolicy config)
diff --git a/MediaBrowser.Controller/Entities/Audio/MusicGenre.cs b/MediaBrowser.Controller/Entities/Audio/MusicGenre.cs
index 45304d47e..4d041264c 100644
--- a/MediaBrowser.Controller/Entities/Audio/MusicGenre.cs
+++ b/MediaBrowser.Controller/Entities/Audio/MusicGenre.cs
@@ -10,13 +10,12 @@ namespace MediaBrowser.Controller.Entities.Audio
     /// </summary>
     public class MusicGenre : BaseItem, IItemByName
     {
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
+        public override List<string> GetUserDataKeys()
         {
-            return "MusicGenre-" + Name;
+            var list = base.GetUserDataKeys();
+
+            list.Insert(0, "MusicGenre-" + Name);
+            return list;
         }
 
         [IgnoreDataMember]
diff --git a/MediaBrowser.Controller/Entities/BaseItem.cs b/MediaBrowser.Controller/Entities/BaseItem.cs
index 9171c2a71..6bf55e108 100644
--- a/MediaBrowser.Controller/Entities/BaseItem.cs
+++ b/MediaBrowser.Controller/Entities/BaseItem.cs
@@ -1149,6 +1149,12 @@ namespace MediaBrowser.Controller.Entities
             get { return null; }
         }
 
+        [IgnoreDataMember]
+        public virtual string PresentationUniqueKey
+        {
+            get { return Id.ToString("N"); }
+        }
+
         private string _userDataKey;
         /// <summary>
         /// Gets the user data key.
@@ -1158,7 +1164,7 @@ namespace MediaBrowser.Controller.Entities
         {
             if (string.IsNullOrWhiteSpace(_userDataKey))
             {
-                var key = CreateUserDataKey();
+                var key = GetUserDataKeys().First();
                 _userDataKey = key;
                 return key;
             }
@@ -1166,16 +1172,20 @@ namespace MediaBrowser.Controller.Entities
             return _userDataKey;
         }
 
-        protected virtual string CreateUserDataKey()
+        public virtual List<string> GetUserDataKeys()
         {
+            var list = new List<string>();
+
             if (SourceType == SourceType.Channel)
             {
                 if (!string.IsNullOrWhiteSpace(ExternalId))
                 {
-                    return ExternalId;
+                    list.Add(ExternalId);
                 }
             }
-            return Id.ToString();
+
+            list.Add(Id.ToString());
+            return list;
         }
 
         internal virtual bool IsValidFromResolver(BaseItem newItem)
@@ -1617,9 +1627,7 @@ namespace MediaBrowser.Controller.Entities
                 throw new ArgumentNullException();
             }
 
-            var key = GetUserDataKey();
-
-            var data = UserDataManager.GetUserData(user.Id, key);
+            var data = UserDataManager.GetUserData(user, this);
 
             if (datePlayed.HasValue)
             {
@@ -1654,9 +1662,7 @@ namespace MediaBrowser.Controller.Entities
                 throw new ArgumentNullException();
             }
 
-            var key = GetUserDataKey();
-
-            var data = UserDataManager.GetUserData(user.Id, key);
+            var data = UserDataManager.GetUserData(user, this);
 
             //I think it is okay to do this here.
             // if this is only called when a user is manually forcing something to un-played
@@ -1987,14 +1993,14 @@ namespace MediaBrowser.Controller.Entities
 
         public virtual bool IsPlayed(User user)
         {
-            var userdata = UserDataManager.GetUserData(user.Id, GetUserDataKey());
+            var userdata = UserDataManager.GetUserData(user, this);
 
             return userdata != null && userdata.Played;
         }
 
         public bool IsFavoriteOrLiked(User user)
         {
-            var userdata = UserDataManager.GetUserData(user.Id, GetUserDataKey());
+            var userdata = UserDataManager.GetUserData(user, this);
 
             return userdata != null && (userdata.IsFavorite || (userdata.Likes ?? false));
         }
@@ -2006,7 +2012,7 @@ namespace MediaBrowser.Controller.Entities
                 throw new ArgumentNullException("user");
             }
 
-            var userdata = UserDataManager.GetUserData(user.Id, GetUserDataKey());
+            var userdata = UserDataManager.GetUserData(user, this);
 
             return userdata == null || !userdata.Played;
         }
diff --git a/MediaBrowser.Controller/Entities/Folder.cs b/MediaBrowser.Controller/Entities/Folder.cs
index f4cdc8fa1..fca2c6e43 100644
--- a/MediaBrowser.Controller/Entities/Folder.cs
+++ b/MediaBrowser.Controller/Entities/Folder.cs
@@ -839,11 +839,6 @@ namespace MediaBrowser.Controller.Entities
                     Logger.Debug("Query requires post-filtering due to ItemSortBy.SeriesSortName");
                     return true;
                 }
-                if (query.SortBy.Contains(ItemSortBy.StartDate, StringComparer.OrdinalIgnoreCase))
-                {
-                    Logger.Debug("Query requires post-filtering due to ItemSortBy.StartDate");
-                    return true;
-                }
                 if (query.SortBy.Contains(ItemSortBy.Studio, StringComparer.OrdinalIgnoreCase))
                 {
                     Logger.Debug("Query requires post-filtering due to ItemSortBy.Studio");
@@ -1059,30 +1054,6 @@ namespace MediaBrowser.Controller.Entities
                 return true;
             }
 
-            if (!string.IsNullOrWhiteSpace(query.NameContains))
-            {
-                Logger.Debug("Query requires post-filtering due to NameContains");
-                return true;
-            }
-
-            if (!string.IsNullOrWhiteSpace(query.NameLessThan))
-            {
-                Logger.Debug("Query requires post-filtering due to NameLessThan");
-                return true;
-            }
-
-            if (!string.IsNullOrWhiteSpace(query.NameStartsWith))
-            {
-                Logger.Debug("Query requires post-filtering due to NameStartsWith");
-                return true;
-            }
-
-            if (!string.IsNullOrWhiteSpace(query.NameStartsWithOrGreater))
-            {
-                Logger.Debug("Query requires post-filtering due to NameStartsWithOrGreater");
-                return true;
-            }
-
             if (query.AirDays.Length > 0)
             {
                 Logger.Debug("Query requires post-filtering due to AirDays");
@@ -1635,7 +1606,7 @@ namespace MediaBrowser.Controller.Entities
 
                 var isUnplayed = true;
 
-                var itemUserData = UserDataManager.GetUserData(user.Id, child.GetUserDataKey());
+                var itemUserData = UserDataManager.GetUserData(user, child);
 
                 // Incrememt totalPercentPlayed
                 if (itemUserData != null)
diff --git a/MediaBrowser.Controller/Entities/Game.cs b/MediaBrowser.Controller/Entities/Game.cs
index e597b2a15..9ed240046 100644
--- a/MediaBrowser.Controller/Entities/Game.cs
+++ b/MediaBrowser.Controller/Entities/Game.cs
@@ -76,15 +76,16 @@ namespace MediaBrowser.Controller.Entities
         /// </summary>
         public List<string> MultiPartGameFiles { get; set; }
 
-        protected override string CreateUserDataKey()
+        public override List<string> GetUserDataKeys()
         {
+            var list = base.GetUserDataKeys();
             var id = this.GetProviderId(MetadataProviders.Gamesdb);
 
             if (!string.IsNullOrEmpty(id))
             {
-                return "Game-Gamesdb-" + id;
+                list.Insert(0, "Game-Gamesdb-" + id);
             }
-            return base.CreateUserDataKey();
+            return list;
         }
 
         public override IEnumerable<string> GetDeletePaths()
diff --git a/MediaBrowser.Controller/Entities/GameGenre.cs b/MediaBrowser.Controller/Entities/GameGenre.cs
index d2b6b4856..71028d4cf 100644
--- a/MediaBrowser.Controller/Entities/GameGenre.cs
+++ b/MediaBrowser.Controller/Entities/GameGenre.cs
@@ -7,13 +7,12 @@ namespace MediaBrowser.Controller.Entities
 {
     public class GameGenre : BaseItem, IItemByName
     {
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
+        public override List<string> GetUserDataKeys()
         {
-            return "GameGenre-" + Name;
+            var list = base.GetUserDataKeys();
+
+            list.Insert(0, "GameGenre-" + Name);
+            return list;
         }
 
         /// <summary>
diff --git a/MediaBrowser.Controller/Entities/GameSystem.cs b/MediaBrowser.Controller/Entities/GameSystem.cs
index bc35c4738..1c09ee507 100644
--- a/MediaBrowser.Controller/Entities/GameSystem.cs
+++ b/MediaBrowser.Controller/Entities/GameSystem.cs
@@ -2,6 +2,7 @@
 using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Configuration;
 using System;
+using System.Collections.Generic;
 using MediaBrowser.Model.Users;
 
 namespace MediaBrowser.Controller.Entities
@@ -31,17 +32,15 @@ namespace MediaBrowser.Controller.Entities
         /// <value>The game system.</value>
         public string GameSystemName { get; set; }
 
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
+        public override List<string> GetUserDataKeys()
         {
+            var list = base.GetUserDataKeys();
+
             if (!string.IsNullOrEmpty(GameSystemName))
             {
-                return "GameSystem-" + GameSystemName;
+                list.Insert(0, "GameSystem-" + GameSystemName);
             }
-            return base.CreateUserDataKey();
+            return list;
         }
 
         protected override bool GetBlockUnratedValue(UserPolicy config)
diff --git a/MediaBrowser.Controller/Entities/Genre.cs b/MediaBrowser.Controller/Entities/Genre.cs
index 233e1e0fd..fa890ad9e 100644
--- a/MediaBrowser.Controller/Entities/Genre.cs
+++ b/MediaBrowser.Controller/Entities/Genre.cs
@@ -11,13 +11,12 @@ namespace MediaBrowser.Controller.Entities
     /// </summary>
     public class Genre : BaseItem, IItemByName
     {
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
+        public override List<string> GetUserDataKeys()
         {
-            return "Genre-" + Name;
+            var list = base.GetUserDataKeys();
+
+            list.Insert(0, "Genre-" + Name);
+            return list;
         }
 
         /// <summary>
diff --git a/MediaBrowser.Controller/Entities/IHasUserData.cs b/MediaBrowser.Controller/Entities/IHasUserData.cs
index faddc3778..3e0fa3f1d 100644
--- a/MediaBrowser.Controller/Entities/IHasUserData.cs
+++ b/MediaBrowser.Controller/Entities/IHasUserData.cs
@@ -1,4 +1,5 @@
-using MediaBrowser.Model.Dto;
+using System.Collections.Generic;
+using MediaBrowser.Model.Dto;
 
 namespace MediaBrowser.Controller.Entities
 {
@@ -13,6 +14,8 @@ namespace MediaBrowser.Controller.Entities
         /// <returns>System.String.</returns>
         string GetUserDataKey();
 
+        List<string> GetUserDataKeys();
+
         /// <summary>
         /// Fills the user data dto values.
         /// </summary>
diff --git a/MediaBrowser.Controller/Entities/InternalItemsQuery.cs b/MediaBrowser.Controller/Entities/InternalItemsQuery.cs
index f3b4f4053..b148251ff 100644
--- a/MediaBrowser.Controller/Entities/InternalItemsQuery.cs
+++ b/MediaBrowser.Controller/Entities/InternalItemsQuery.cs
@@ -46,6 +46,7 @@ namespace MediaBrowser.Controller.Entities
         public string NameLessThan { get; set; }
         public string NameContains { get; set; }
 
+        public string PresentationUniqueKey { get; set; }
         public string Path { get; set; }
         
         public string Person { get; set; }
diff --git a/MediaBrowser.Controller/Entities/Movies/Movie.cs b/MediaBrowser.Controller/Entities/Movies/Movie.cs
index 6004992cc..5882b5f4d 100644
--- a/MediaBrowser.Controller/Entities/Movies/Movie.cs
+++ b/MediaBrowser.Controller/Entities/Movies/Movie.cs
@@ -75,34 +75,6 @@ namespace MediaBrowser.Controller.Entities.Movies
             get { return TmdbCollectionName; }
             set { TmdbCollectionName = value; }
         }
-        
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
-        {
-            var key = GetMovieUserDataKey(this);
-
-            if (string.IsNullOrWhiteSpace(key))
-            {
-                key = base.CreateUserDataKey();
-            }
-
-            return key;
-        }
-
-        public static string GetMovieUserDataKey(BaseItem movie)
-        {
-            var key = movie.GetProviderId(MetadataProviders.Tmdb);
-
-            if (string.IsNullOrWhiteSpace(key))
-            {
-                key = movie.GetProviderId(MetadataProviders.Imdb);
-            }
-
-            return key;
-        }
 
         protected override async Task<bool> RefreshedOwnedItems(MetadataRefreshOptions options, List<FileSystemMetadata> fileSystemChildren, CancellationToken cancellationToken)
         {
diff --git a/MediaBrowser.Controller/Entities/MusicVideo.cs b/MediaBrowser.Controller/Entities/MusicVideo.cs
index b52f16a46..bf4c2559c 100644
--- a/MediaBrowser.Controller/Entities/MusicVideo.cs
+++ b/MediaBrowser.Controller/Entities/MusicVideo.cs
@@ -44,15 +44,6 @@ namespace MediaBrowser.Controller.Entities
             }
         }
 
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
-        {
-            return this.GetProviderId(MetadataProviders.Tmdb) ?? this.GetProviderId(MetadataProviders.Imdb) ?? base.CreateUserDataKey();
-        }
-
         public override UnratedItem GetBlockUnratedType()
         {
             return UnratedItem.Music;
diff --git a/MediaBrowser.Controller/Entities/Person.cs b/MediaBrowser.Controller/Entities/Person.cs
index 560ea6e05..89581e967 100644
--- a/MediaBrowser.Controller/Entities/Person.cs
+++ b/MediaBrowser.Controller/Entities/Person.cs
@@ -18,13 +18,12 @@ namespace MediaBrowser.Controller.Entities
         /// <value>The place of birth.</value>
         public string PlaceOfBirth { get; set; }
 
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
+        public override List<string> GetUserDataKeys()
         {
-            return "Person-" + Name;
+            var list = base.GetUserDataKeys();
+
+            list.Insert(0, "Person-" + Name);
+            return list;
         }
 
         public PersonLookupInfo GetLookupInfo()
diff --git a/MediaBrowser.Controller/Entities/Studio.cs b/MediaBrowser.Controller/Entities/Studio.cs
index a55527f37..7ceefbc6e 100644
--- a/MediaBrowser.Controller/Entities/Studio.cs
+++ b/MediaBrowser.Controller/Entities/Studio.cs
@@ -10,13 +10,12 @@ namespace MediaBrowser.Controller.Entities
     /// </summary>
     public class Studio : BaseItem, IItemByName, IHasTags
     {
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
+        public override List<string> GetUserDataKeys()
         {
-            return "Studio-" + Name;
+            var list = base.GetUserDataKeys();
+
+            list.Insert(0, "Studio-" + Name);
+            return list;
         }
 
         /// <summary>
diff --git a/MediaBrowser.Controller/Entities/TV/Episode.cs b/MediaBrowser.Controller/Entities/TV/Episode.cs
index e1a91086b..605b838cd 100644
--- a/MediaBrowser.Controller/Entities/TV/Episode.cs
+++ b/MediaBrowser.Controller/Entities/TV/Episode.cs
@@ -58,25 +58,7 @@ namespace MediaBrowser.Controller.Entities.TV
         {
             get
             {
-                return AirsAfterSeasonNumber ?? AirsBeforeSeasonNumber ?? PhysicalSeasonNumber;
-            }
-        }
-
-        [IgnoreDataMember]
-        public int? PhysicalSeasonNumber
-        {
-            get
-            {
-                var value = ParentIndexNumber;
-
-                if (value.HasValue)
-                {
-                    return value;
-                }
-
-                var season = Season;
-
-                return season != null ? season.IndexNumber : null;
+                return AirsAfterSeasonNumber ?? AirsBeforeSeasonNumber ?? ParentIndexNumber;
             }
         }
 
@@ -98,20 +80,26 @@ namespace MediaBrowser.Controller.Entities.TV
             }
         }
 
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
+        [IgnoreDataMember]
+        protected override bool EnableDefaultVideoUserDataKeys
         {
-            var series = Series;
+            get
+            {
+                return false;
+            }
+        }
 
+        public override List<string> GetUserDataKeys()
+        {
+            var list = base.GetUserDataKeys();
+
+            var series = Series;
             if (series != null && ParentIndexNumber.HasValue && IndexNumber.HasValue)
             {
-                return series.GetUserDataKey() + ParentIndexNumber.Value.ToString("000") + IndexNumber.Value.ToString("000");
+                list.InsertRange(0, series.GetUserDataKeys().Select(i => i + ParentIndexNumber.Value.ToString("000") + IndexNumber.Value.ToString("000")));
             }
 
-            return base.CreateUserDataKey();
+            return list;
         }
 
         /// <summary>
@@ -310,6 +298,19 @@ namespace MediaBrowser.Controller.Entities.TV
                 Logger.ErrorException("Error in FillMissingEpisodeNumbersFromPath. Episode: {0}", ex, Path ?? Name ?? Id.ToString());
             }
 
+            if (!ParentIndexNumber.HasValue)
+            {
+                var season = Season;
+                if (season != null)
+                {
+                    if (season.ParentIndexNumber.HasValue)
+                    {
+                        ParentIndexNumber = season.ParentIndexNumber;
+                        hasChanges = true;
+                    }
+                }
+            }
+
             return hasChanges;
         }
     }
diff --git a/MediaBrowser.Controller/Entities/TV/Season.cs b/MediaBrowser.Controller/Entities/TV/Season.cs
index acd02e8ab..1f443071c 100644
--- a/MediaBrowser.Controller/Entities/TV/Season.cs
+++ b/MediaBrowser.Controller/Entities/TV/Season.cs
@@ -53,19 +53,17 @@ namespace MediaBrowser.Controller.Entities.TV
             };
         }
 
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
+        public override List<string> GetUserDataKeys()
         {
-            if (Series != null)
+            var list = base.GetUserDataKeys();
+
+            var series = Series;
+            if (series != null)
             {
-                var seasonNo = IndexNumber ?? 0;
-                return Series.GetUserDataKey() + seasonNo.ToString("000");
+                list.InsertRange(0, series.GetUserDataKeys().Select(i => i + (IndexNumber ?? 0).ToString("000")));
             }
 
-            return base.CreateUserDataKey();
+            return list;
         }
 
         /// <summary>
@@ -94,6 +92,24 @@ namespace MediaBrowser.Controller.Entities.TV
             }
         }
 
+        [IgnoreDataMember]
+        public override string PresentationUniqueKey
+        {
+            get
+            {
+                if (IndexNumber.HasValue)
+                {
+                    var series = Series;
+                    if (series != null)
+                    {
+                        return series.PresentationUniqueKey + "-" + (IndexNumber ?? 0).ToString("000");
+                    }
+                }
+
+                return base.PresentationUniqueKey;
+            }
+        }
+
         /// <summary>
         /// Creates the name of the sort.
         /// </summary>
@@ -171,16 +187,16 @@ namespace MediaBrowser.Controller.Entities.TV
 
         public IEnumerable<Episode> GetEpisodes(User user, bool includeMissingEpisodes, bool includeVirtualUnairedEpisodes)
         {
-            var episodes = GetRecursiveChildren(user)
-                .OfType<Episode>();
-
             var series = Series;
 
             if (IndexNumber.HasValue && series != null)
             {
-                return series.GetEpisodes(user, IndexNumber.Value, includeMissingEpisodes, includeVirtualUnairedEpisodes, episodes);
+                return series.GetEpisodes(user, IndexNumber.Value, includeMissingEpisodes, includeVirtualUnairedEpisodes);
             }
 
+            var episodes = GetRecursiveChildren(user)
+                .OfType<Episode>();
+
             if (series != null && series.ContainsEpisodesWithoutSeasonFolders)
             {
                 var seasonNumber = IndexNumber;
diff --git a/MediaBrowser.Controller/Entities/TV/Series.cs b/MediaBrowser.Controller/Entities/TV/Series.cs
index ad4ee436e..abca6a643 100644
--- a/MediaBrowser.Controller/Entities/TV/Series.cs
+++ b/MediaBrowser.Controller/Entities/TV/Series.cs
@@ -91,25 +91,33 @@ namespace MediaBrowser.Controller.Entities.TV
             }
         }
 
+        [IgnoreDataMember]
+        public override string PresentationUniqueKey
+        {
+            get { return GetUserDataKeys().First(); }
+        }
+
         /// <summary>
         /// Gets the user data key.
         /// </summary>
         /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
+        public override List<string> GetUserDataKeys()
         {
-            var key = this.GetProviderId(MetadataProviders.Tvdb);
+            var list = base.GetUserDataKeys();
 
-            if (string.IsNullOrWhiteSpace(key))
+            var key = this.GetProviderId(MetadataProviders.Imdb);
+            if (!string.IsNullOrWhiteSpace(key))
             {
-                key = this.GetProviderId(MetadataProviders.Imdb);
+                list.Insert(0, key);
             }
 
-            if (string.IsNullOrWhiteSpace(key))
+            key = this.GetProviderId(MetadataProviders.Tvdb);
+            if (!string.IsNullOrWhiteSpace(key))
             {
-                key = base.CreateUserDataKey();
+                list.Insert(0, key);
             }
 
-            return key;
+            return list;
         }
 
         /// <summary>
@@ -126,8 +134,8 @@ namespace MediaBrowser.Controller.Entities.TV
         // Studio, Genre and Rating will all be the same so makes no sense to index by these
         protected override IEnumerable<string> GetIndexByOptions()
         {
-            return new List<string> {            
-                {"None"}, 
+            return new List<string> {
+                {"None"},
                 {"Performer"},
                 {"Director"},
                 {"Year"},
@@ -183,8 +191,28 @@ namespace MediaBrowser.Controller.Entities.TV
 
         public IEnumerable<Season> GetSeasons(User user, bool includeMissingSeasons, bool includeVirtualUnaired)
         {
-            var seasons = base.GetChildren(user, true)
-                .OfType<Season>();
+            var seriesIds = LibraryManager.GetItemIds(new InternalItemsQuery(user)
+            {
+                PresentationUniqueKey = PresentationUniqueKey,
+                IncludeItemTypes = new[] { typeof(Series).Name }
+            });
+
+            IEnumerable<Season> seasons;
+
+            if (seriesIds.Count > 1)
+            {
+                seasons = LibraryManager.GetItemList(new InternalItemsQuery(user)
+                {
+                    AncestorIds = seriesIds.Select(i => i.ToString("N")).ToArray(),
+                    IncludeItemTypes = new[] { typeof(Season).Name },
+                    SortBy = new[] { ItemSortBy.SortName }
+
+                }).OfType<Season>();
+            }
+            else
+            {
+                seasons = base.GetChildren(user, true).OfType<Season>();
+            }
 
             if (!includeMissingSeasons && !includeVirtualUnaired)
             {
@@ -202,9 +230,7 @@ namespace MediaBrowser.Controller.Entities.TV
                 }
             }
 
-            return LibraryManager
-                .Sort(seasons, user, new[] { ItemSortBy.SortName }, SortOrder.Ascending)
-                .Cast<Season>();
+            return seasons;
         }
 
         public IEnumerable<Episode> GetEpisodes(User user)
@@ -280,9 +306,9 @@ namespace MediaBrowser.Controller.Entities.TV
                 if (episode != null
                     && refreshOptions.MetadataRefreshMode != MetadataRefreshMode.FullRefresh
                     && !refreshOptions.ReplaceAllMetadata
-                    && episode.IsMissingEpisode 
-                    && episode.LocationType == Model.Entities.LocationType.Virtual 
-                    && episode.PremiereDate.HasValue 
+                    && episode.IsMissingEpisode
+                    && episode.LocationType == Model.Entities.LocationType.Virtual
+                    && episode.PremiereDate.HasValue
                     && (DateTime.UtcNow - episode.PremiereDate.Value).TotalDays > 30)
                 {
                     skipItem = true;
@@ -313,19 +339,32 @@ namespace MediaBrowser.Controller.Entities.TV
 
         public IEnumerable<Episode> GetEpisodes(User user, int seasonNumber, bool includeMissingEpisodes, bool includeVirtualUnairedEpisodes)
         {
-            return GetEpisodes(user, seasonNumber, includeMissingEpisodes, includeVirtualUnairedEpisodes,
-                new List<Episode>());
-        }
+            var seriesIds = LibraryManager.GetItemIds(new InternalItemsQuery(user)
+            {
+                PresentationUniqueKey = PresentationUniqueKey,
+                IncludeItemTypes = new[] { typeof(Series).Name }
+            });
 
-        internal IEnumerable<Episode> GetEpisodes(User user, int seasonNumber, bool includeMissingEpisodes, bool includeVirtualUnairedEpisodes, IEnumerable<Episode> additionalEpisodes)
-        {
-            var episodes = GetRecursiveChildren(user, i => i is Episode)
-                .Cast<Episode>();
+            IEnumerable<Episode> episodes;
+
+            if (seriesIds.Count > 1)
+            {
+                episodes = LibraryManager.GetItemList(new InternalItemsQuery(user)
+                {
+                    AncestorIds = seriesIds.Select(i => i.ToString("N")).ToArray(),
+                    IncludeItemTypes = new[] { typeof(Episode).Name },
+                    SortBy = new[] { ItemSortBy.SortName }
+
+                }).OfType<Episode>();
+            }
+            else
+            {
+                episodes = GetRecursiveChildren(user, i => i is Episode)
+                    .Cast<Episode>();
+            }
 
             episodes = FilterEpisodesBySeason(episodes, seasonNumber, DisplaySpecialsWithSeasons);
 
-            episodes = episodes.Concat(additionalEpisodes).Distinct();
-
             if (!includeMissingEpisodes)
             {
                 episodes = episodes.Where(i => !i.IsMissingEpisode);
@@ -352,7 +391,7 @@ namespace MediaBrowser.Controller.Entities.TV
         {
             if (!includeSpecials || seasonNumber < 1)
             {
-                return episodes.Where(i => (i.PhysicalSeasonNumber ?? -1) == seasonNumber);
+                return episodes.Where(i => (i.ParentIndexNumber ?? -1) == seasonNumber);
             }
 
             return episodes.Where(i =>
diff --git a/MediaBrowser.Controller/Entities/Trailer.cs b/MediaBrowser.Controller/Entities/Trailer.cs
index fe8bf3ed3..3be2fc624 100644
--- a/MediaBrowser.Controller/Entities/Trailer.cs
+++ b/MediaBrowser.Controller/Entities/Trailer.cs
@@ -56,26 +56,6 @@ namespace MediaBrowser.Controller.Entities
         /// <value>The revenue.</value>
         public double? Revenue { get; set; }
 
-        protected override string CreateUserDataKey()
-        {
-            var key = Movie.GetMovieUserDataKey(this);
-
-            if (!string.IsNullOrWhiteSpace(key))
-            {
-                key = key + "-trailer";
-
-                // Make sure different trailers have their own data.
-                if (RunTimeTicks.HasValue)
-                {
-                    key += "-" + RunTimeTicks.Value.ToString(CultureInfo.InvariantCulture);
-                }
-
-                return key;
-            }
-
-            return base.CreateUserDataKey();
-        }
-
         public override UnratedItem GetBlockUnratedType()
         {
             return UnratedItem.Trailer;
diff --git a/MediaBrowser.Controller/Entities/UserViewBuilder.cs b/MediaBrowser.Controller/Entities/UserViewBuilder.cs
index db669ca37..5a0e0b614 100644
--- a/MediaBrowser.Controller/Entities/UserViewBuilder.cs
+++ b/MediaBrowser.Controller/Entities/UserViewBuilder.cs
@@ -348,7 +348,7 @@ namespace MediaBrowser.Controller.Entities
                 .Where(i => !i.IsFolder)
                 .OfType<IHasAlbumArtist>();
 
-            var artists = _libraryManager.GetAlbumArtists(items).Where(i => _userDataManager.GetUserData(user.Id, i.GetUserDataKey()).IsFavorite);
+            var artists = _libraryManager.GetAlbumArtists(items).Where(i => _userDataManager.GetUserData(user, i).IsFavorite);
 
             return GetResult(artists, parent, query);
         }
@@ -1218,7 +1218,7 @@ namespace MediaBrowser.Controller.Entities
 
             if (query.IsLiked.HasValue)
             {
-                userData = userData ?? userDataManager.GetUserData(user.Id, item.GetUserDataKey());
+                userData = userData ?? userDataManager.GetUserData(user, item);
 
                 if (!userData.Likes.HasValue || userData.Likes != query.IsLiked.Value)
                 {
@@ -1228,7 +1228,7 @@ namespace MediaBrowser.Controller.Entities
 
             if (query.IsFavoriteOrLiked.HasValue)
             {
-                userData = userData ?? userDataManager.GetUserData(user.Id, item.GetUserDataKey());
+                userData = userData ?? userDataManager.GetUserData(user, item);
                 var isFavoriteOrLiked = userData.IsFavorite || (userData.Likes ?? false);
 
                 if (isFavoriteOrLiked != query.IsFavoriteOrLiked.Value)
@@ -1239,7 +1239,7 @@ namespace MediaBrowser.Controller.Entities
 
             if (query.IsFavorite.HasValue)
             {
-                userData = userData ?? userDataManager.GetUserData(user.Id, item.GetUserDataKey());
+                userData = userData ?? userDataManager.GetUserData(user, item);
 
                 if (userData.IsFavorite != query.IsFavorite.Value)
                 {
@@ -1249,7 +1249,7 @@ namespace MediaBrowser.Controller.Entities
 
             if (query.IsResumable.HasValue)
             {
-                userData = userData ?? userDataManager.GetUserData(user.Id, item.GetUserDataKey());
+                userData = userData ?? userDataManager.GetUserData(user, item);
                 var isResumable = userData.PlaybackPositionTicks > 0;
 
                 if (isResumable != query.IsResumable.Value)
diff --git a/MediaBrowser.Controller/Entities/Video.cs b/MediaBrowser.Controller/Entities/Video.cs
index d81e6f0ff..67b710534 100644
--- a/MediaBrowser.Controller/Entities/Video.cs
+++ b/MediaBrowser.Controller/Entities/Video.cs
@@ -44,6 +44,20 @@ namespace MediaBrowser.Controller.Entities
             }
         }
 
+        [IgnoreDataMember]
+        public override string PresentationUniqueKey
+        {
+            get
+            {
+                if (PrimaryVersionId.HasValue)
+                {
+                    return PrimaryVersionId.Value.ToString("N");
+                }
+
+                return base.PresentationUniqueKey;
+            }
+        }
+
         public long? Size { get; set; }
         public string Container { get; set; }
         public int? TotalBitrate { get; set; }
@@ -90,6 +104,14 @@ namespace MediaBrowser.Controller.Entities
         {
             get
             {
+                if (PrimaryVersionId.HasValue)
+                {
+                    var item = LibraryManager.GetItemById(PrimaryVersionId.Value) as Video;
+                    if (item != null)
+                    {
+                        return item.MediaSourceCount;
+                    }
+                }
                 return LinkedAlternateVersions.Count + LocalAlternateVersions.Count + 1;
             }
         }
@@ -131,42 +153,65 @@ namespace MediaBrowser.Controller.Entities
             return LocalAlternateVersions.Select(i => LibraryManager.GetNewItemId(i, typeof(Video)));
         }
 
-        protected override string CreateUserDataKey()
+        [IgnoreDataMember]
+        protected virtual bool EnableDefaultVideoUserDataKeys
         {
-            if (ExtraType.HasValue)
+            get
             {
-                var key = this.GetProviderId(MetadataProviders.Imdb) ?? this.GetProviderId(MetadataProviders.Tmdb);
+                return true;
+            }
+        }
 
-                if (!string.IsNullOrWhiteSpace(key))
+        public override List<string> GetUserDataKeys()
+        {
+            var list = base.GetUserDataKeys();
+
+            if (EnableDefaultVideoUserDataKeys)
+            {
+                if (ExtraType.HasValue)
                 {
-                    key = key + "-" + ExtraType.ToString().ToLower();
-
-                    // Make sure different trailers have their own data.
-                    if (RunTimeTicks.HasValue)
+                    var key = this.GetProviderId(MetadataProviders.Tmdb);
+                    if (!string.IsNullOrWhiteSpace(key))
                     {
-                        key += "-" + RunTimeTicks.Value.ToString(CultureInfo.InvariantCulture);
+                        list.Insert(0, GetUserDataKey(key));
                     }
 
-                    return key;
+                    key = this.GetProviderId(MetadataProviders.Imdb);
+                    if (!string.IsNullOrWhiteSpace(key))
+                    {
+                        list.Insert(0, GetUserDataKey(key));
+                    }
+                }
+                else
+                {
+                    var key = this.GetProviderId(MetadataProviders.Imdb);
+                    if (!string.IsNullOrWhiteSpace(key))
+                    {
+                        list.Insert(0, key);
+                    }
+
+                    key = this.GetProviderId(MetadataProviders.Tmdb);
+                    if (!string.IsNullOrWhiteSpace(key))
+                    {
+                        list.Insert(0, key);
+                    }
                 }
             }
 
-            return base.CreateUserDataKey();
+            return list;
         }
 
-        /// <summary>
-        /// Gets the linked children.
-        /// </summary>
-        /// <returns>IEnumerable{BaseItem}.</returns>
-        public IEnumerable<Video> GetAlternateVersions()
+        private string GetUserDataKey(string providerId)
         {
-            var filesWithinSameDirectory = GetLocalAlternateVersionIds()
-                .Select(i => LibraryManager.GetItemById(i))
-                .Where(i => i != null)
-                .OfType<Video>();
+            var key = providerId + "-" + ExtraType.ToString().ToLower();
 
-            return filesWithinSameDirectory.Concat(GetLinkedAlternateVersions())
-                .OrderBy(i => i.SortName);
+            // Make sure different trailers have their own data.
+            if (RunTimeTicks.HasValue)
+            {
+                key += "-" + RunTimeTicks.Value.ToString(CultureInfo.InvariantCulture);
+            }
+
+            return key;
         }
 
         public IEnumerable<Video> GetLinkedAlternateVersions()
@@ -468,6 +513,36 @@ namespace MediaBrowser.Controller.Entities
             }).FirstOrDefault();
         }
 
+        private List<Tuple<Video, MediaSourceType>> GetAllVideosForMediaSources()
+        {
+            var list = new List<Tuple<Video, MediaSourceType>>();
+
+            list.Add(new Tuple<Video, MediaSourceType>(this, MediaSourceType.Default));
+            list.AddRange(GetLinkedAlternateVersions().Select(i => new Tuple<Video, MediaSourceType>(i, MediaSourceType.Grouping)));
+
+            if (PrimaryVersionId.HasValue)
+            {
+                var primary = LibraryManager.GetItemById(PrimaryVersionId.Value) as Video;
+                if (primary != null)
+                {
+                    var existingIds = list.Select(i => i.Item1.Id).ToList();
+                    list.Add(new Tuple<Video, MediaSourceType>(primary, MediaSourceType.Grouping));
+                    list.AddRange(primary.GetLinkedAlternateVersions().Where(i => !existingIds.Contains(i.Id)).Select(i => new Tuple<Video, MediaSourceType>(i, MediaSourceType.Grouping)));
+                }
+            }
+
+            var localAlternates = list
+                .SelectMany(i => i.Item1.GetLocalAlternateVersionIds())
+                .Select(LibraryManager.GetItemById)
+                .Where(i => i != null)
+                .OfType<Video>()
+                .ToList();
+
+            list.AddRange(localAlternates.Select(i => new Tuple<Video, MediaSourceType>(i, MediaSourceType.Default)));
+
+            return list;
+        }
+
         public virtual IEnumerable<MediaSourceInfo> GetMediaSources(bool enablePathSubstitution)
         {
             if (SourceType == SourceType.Channel)
@@ -486,13 +561,8 @@ namespace MediaBrowser.Controller.Entities
                 };
             }
 
-            var item = this;
-
-            var result = item.GetAlternateVersions()
-                .Select(i => GetVersionInfo(enablePathSubstitution, i, MediaSourceType.Grouping))
-                .ToList();
-
-            result.Add(GetVersionInfo(enablePathSubstitution, item, MediaSourceType.Default));
+            var list = GetAllVideosForMediaSources();
+            var result = list.Select(i => GetVersionInfo(enablePathSubstitution, i.Item1, i.Item2)).ToList();
 
             return result.OrderBy(i =>
             {
diff --git a/MediaBrowser.Controller/Entities/Year.cs b/MediaBrowser.Controller/Entities/Year.cs
index 163dcd667..f27ce79dd 100644
--- a/MediaBrowser.Controller/Entities/Year.cs
+++ b/MediaBrowser.Controller/Entities/Year.cs
@@ -11,13 +11,12 @@ namespace MediaBrowser.Controller.Entities
     /// </summary>
     public class Year : BaseItem, IItemByName
     {
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
+        public override List<string> GetUserDataKeys()
         {
-            return "Year-" + Name;
+            var list = base.GetUserDataKeys();
+
+            list.Insert(0, "Year-" + Name);
+            return list;
         }
 
         /// <summary>
diff --git a/MediaBrowser.Controller/Library/IUserDataManager.cs b/MediaBrowser.Controller/Library/IUserDataManager.cs
index 56ac14e9d..4ff0f6439 100644
--- a/MediaBrowser.Controller/Library/IUserDataManager.cs
+++ b/MediaBrowser.Controller/Library/IUserDataManager.cs
@@ -45,6 +45,11 @@ namespace MediaBrowser.Controller.Library
         /// <returns>Task{UserItemData}.</returns>
         UserItemData GetUserData(Guid userId, string key);
 
+        UserItemData GetUserData(IHasUserData user, IHasUserData item);
+
+        UserItemData GetUserData(string userId, IHasUserData item);
+        UserItemData GetUserData(Guid userId, IHasUserData item);
+
         /// <summary>
         /// Gets the user data dto.
         /// </summary>
diff --git a/MediaBrowser.Controller/Library/UserDataSaveEventArgs.cs b/MediaBrowser.Controller/Library/UserDataSaveEventArgs.cs
index ba328ff75..654c6b581 100644
--- a/MediaBrowser.Controller/Library/UserDataSaveEventArgs.cs
+++ b/MediaBrowser.Controller/Library/UserDataSaveEventArgs.cs
@@ -1,6 +1,7 @@
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Model.Entities;
 using System;
+using System.Collections.Generic;
 
 namespace MediaBrowser.Controller.Library
 {
@@ -15,11 +16,7 @@ namespace MediaBrowser.Controller.Library
         /// <value>The user id.</value>
         public Guid UserId { get; set; }
 
-        /// <summary>
-        /// Gets or sets the key.
-        /// </summary>
-        /// <value>The key.</value>
-        public string Key { get; set; }
+        public List<string> Keys { get; set; }
 
         /// <summary>
         /// Gets or sets the save reason.
diff --git a/MediaBrowser.Controller/LiveTv/LiveTvAudioRecording.cs b/MediaBrowser.Controller/LiveTv/LiveTvAudioRecording.cs
index 17a27eac1..e6f472414 100644
--- a/MediaBrowser.Controller/LiveTv/LiveTvAudioRecording.cs
+++ b/MediaBrowser.Controller/LiveTv/LiveTvAudioRecording.cs
@@ -45,17 +45,6 @@ namespace MediaBrowser.Controller.LiveTv
             set { }
         }
 
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
-        {
-            var name = GetClientTypeName();
-
-            return name + "-" + Name + (EpisodeTitle ?? string.Empty);
-        }
-
         /// <summary>
         /// Gets a value indicating whether this instance is owned item.
         /// </summary>
diff --git a/MediaBrowser.Controller/LiveTv/LiveTvChannel.cs b/MediaBrowser.Controller/LiveTv/LiveTvChannel.cs
index 2bb6cc182..50aeed27d 100644
--- a/MediaBrowser.Controller/LiveTv/LiveTvChannel.cs
+++ b/MediaBrowser.Controller/LiveTv/LiveTvChannel.cs
@@ -11,13 +11,12 @@ namespace MediaBrowser.Controller.LiveTv
 {
     public class LiveTvChannel : BaseItem, IHasMediaSources
     {
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
+        public override List<string> GetUserDataKeys()
         {
-            return GetClientTypeName() + "-" + Name;
+            var list = base.GetUserDataKeys();
+
+            list.Insert(0, GetClientTypeName() + "-" + Name);
+            return list;
         }
 
         public override UnratedItem GetBlockUnratedType()
diff --git a/MediaBrowser.Controller/LiveTv/LiveTvProgram.cs b/MediaBrowser.Controller/LiveTv/LiveTvProgram.cs
index 59b921c6a..cc30709db 100644
--- a/MediaBrowser.Controller/LiveTv/LiveTvProgram.cs
+++ b/MediaBrowser.Controller/LiveTv/LiveTvProgram.cs
@@ -4,36 +4,40 @@ using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.LiveTv;
 using System;
+using System.Collections.Generic;
 using System.Runtime.Serialization;
+using MediaBrowser.Model.Entities;
 
 namespace MediaBrowser.Controller.LiveTv
 {
     public class LiveTvProgram : BaseItem, IHasLookupInfo<LiveTvProgramLookupInfo>, IHasStartDate, IHasProgramAttributes
     {
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
+        public override List<string> GetUserDataKeys()
         {
-            if (IsMovie)
-            {
-                var key = Movie.GetMovieUserDataKey(this);
+            var list = base.GetUserDataKeys();
 
+            if (!IsSeries)
+            {
+                var key = this.GetProviderId(MetadataProviders.Imdb);
                 if (!string.IsNullOrWhiteSpace(key))
                 {
-                    return key;
+                    list.Insert(0, key);
+                }
+
+                key = this.GetProviderId(MetadataProviders.Tmdb);
+                if (!string.IsNullOrWhiteSpace(key))
+                {
+                    list.Insert(0, key);
                 }
             }
-
-            if (IsSeries && !string.IsNullOrWhiteSpace(EpisodeTitle))
+            else if (!string.IsNullOrWhiteSpace(EpisodeTitle))
             {
                 var name = GetClientTypeName();
 
-                return name + "-" + Name + (EpisodeTitle ?? string.Empty);
+                list.Insert(0, name + "-" + Name + (EpisodeTitle ?? string.Empty));
             }
 
-            return base.CreateUserDataKey();
+            return list;
         }
 
         [IgnoreDataMember]
diff --git a/MediaBrowser.Controller/LiveTv/LiveTvVideoRecording.cs b/MediaBrowser.Controller/LiveTv/LiveTvVideoRecording.cs
index f310a957c..a8c737673 100644
--- a/MediaBrowser.Controller/LiveTv/LiveTvVideoRecording.cs
+++ b/MediaBrowser.Controller/LiveTv/LiveTvVideoRecording.cs
@@ -45,32 +45,6 @@ namespace MediaBrowser.Controller.LiveTv
             set { }
         }
 
-        /// <summary>
-        /// Gets the user data key.
-        /// </summary>
-        /// <returns>System.String.</returns>
-        protected override string CreateUserDataKey()
-        {
-            if (IsMovie)
-            {
-                var key = Movie.GetMovieUserDataKey(this);
-
-                if (!string.IsNullOrWhiteSpace(key))
-                {
-                    return key;
-                }
-            }
-
-            if (IsSeries && !string.IsNullOrWhiteSpace(EpisodeTitle))
-            {
-                var name = GetClientTypeName();
-
-                return name + "-" + Name + (EpisodeTitle ?? string.Empty);
-            }
-
-            return base.CreateUserDataKey();
-        }
-
         [IgnoreDataMember]
         public override string MediaType
         {
diff --git a/MediaBrowser.Controller/Notifications/INotificationsRepository.cs b/MediaBrowser.Controller/Notifications/INotificationsRepository.cs
index 6ad4a5377..cd587a509 100644
--- a/MediaBrowser.Controller/Notifications/INotificationsRepository.cs
+++ b/MediaBrowser.Controller/Notifications/INotificationsRepository.cs
@@ -19,12 +19,6 @@ namespace MediaBrowser.Controller.Notifications
         /// Occurs when [notifications marked read].
         /// </summary>
         event EventHandler<NotificationReadEventArgs> NotificationsMarkedRead;
-
-        /// <summary>
-        /// Opens the connection to the repository
-        /// </summary>
-        /// <returns>Task.</returns>
-        Task Initialize();
         
         /// <summary>
         /// Gets the notifications.
diff --git a/MediaBrowser.Controller/Persistence/IDisplayPreferencesRepository.cs b/MediaBrowser.Controller/Persistence/IDisplayPreferencesRepository.cs
index 17de730cb..abf96994f 100644
--- a/MediaBrowser.Controller/Persistence/IDisplayPreferencesRepository.cs
+++ b/MediaBrowser.Controller/Persistence/IDisplayPreferencesRepository.cs
@@ -11,12 +11,6 @@ namespace MediaBrowser.Controller.Persistence
     /// </summary>
     public interface IDisplayPreferencesRepository : IRepository
     {
-        /// <summary>
-        /// Opens the connection to the repository
-        /// </summary>
-        /// <returns>Task.</returns>
-        Task Initialize();
-
         /// <summary>
         /// Saves display preferences for an item
         /// </summary>
diff --git a/MediaBrowser.Controller/Persistence/IItemRepository.cs b/MediaBrowser.Controller/Persistence/IItemRepository.cs
index 15df1f649..7bcc36958 100644
--- a/MediaBrowser.Controller/Persistence/IItemRepository.cs
+++ b/MediaBrowser.Controller/Persistence/IItemRepository.cs
@@ -13,12 +13,6 @@ namespace MediaBrowser.Controller.Persistence
     /// </summary>
     public interface IItemRepository : IRepository
     {
-        /// <summary>
-        /// Opens the connection to the repository
-        /// </summary>
-        /// <returns>Task.</returns>
-        Task Initialize();
-
         /// <summary>
         /// Saves an item
         /// </summary>
diff --git a/MediaBrowser.Controller/Persistence/IUserDataRepository.cs b/MediaBrowser.Controller/Persistence/IUserDataRepository.cs
index 2a904be0d..2e165f416 100644
--- a/MediaBrowser.Controller/Persistence/IUserDataRepository.cs
+++ b/MediaBrowser.Controller/Persistence/IUserDataRepository.cs
@@ -11,12 +11,6 @@ namespace MediaBrowser.Controller.Persistence
     /// </summary>
     public interface IUserDataRepository : IRepository
     {
-        /// <summary>
-        /// Opens the connection to the repository
-        /// </summary>
-        /// <returns>Task.</returns>
-        Task Initialize();
-
         /// <summary>
         /// Saves the user data.
         /// </summary>
diff --git a/MediaBrowser.Controller/Providers/IProviderRepository.cs b/MediaBrowser.Controller/Providers/IProviderRepository.cs
index 1f77d0ca1..891275d77 100644
--- a/MediaBrowser.Controller/Providers/IProviderRepository.cs
+++ b/MediaBrowser.Controller/Providers/IProviderRepository.cs
@@ -21,11 +21,5 @@ namespace MediaBrowser.Controller.Providers
         /// <param name="cancellationToken">The cancellation token.</param>
         /// <returns>Task.</returns>
         Task SaveMetadataStatus(MetadataStatus status, CancellationToken cancellationToken);
-
-        /// <summary>
-        /// Initializes this instance.
-        /// </summary>
-        /// <returns>Task.</returns>
-        Task Initialize();
     }
 }
diff --git a/MediaBrowser.Dlna/ContentDirectory/ControlHandler.cs b/MediaBrowser.Dlna/ContentDirectory/ControlHandler.cs
index 34fb2a6df..bc9fa1d7e 100644
--- a/MediaBrowser.Dlna/ContentDirectory/ControlHandler.cs
+++ b/MediaBrowser.Dlna/ContentDirectory/ControlHandler.cs
@@ -111,7 +111,7 @@ namespace MediaBrowser.Dlna.ContentDirectory
 
             var newbookmark = int.Parse(sparams["PosSecond"], _usCulture);
 
-            var userdata = _userDataManager.GetUserData(user.Id, item.GetUserDataKey());
+            var userdata = _userDataManager.GetUserData(user, item);
 
             userdata.PlaybackPositionTicks = TimeSpan.FromSeconds(newbookmark).Ticks;
 
diff --git a/MediaBrowser.Model/Configuration/ServerConfiguration.cs b/MediaBrowser.Model/Configuration/ServerConfiguration.cs
index ba3362332..b115440d6 100644
--- a/MediaBrowser.Model/Configuration/ServerConfiguration.cs
+++ b/MediaBrowser.Model/Configuration/ServerConfiguration.cs
@@ -201,6 +201,7 @@ namespace MediaBrowser.Model.Configuration
         public string[] Migrations { get; set; }
 
         public int MigrationVersion { get; set; }
+        public int SchemaVersion { get; set; }
 
         public bool DownloadImagesInAdvance { get; set; }
 
diff --git a/MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs b/MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs
index 621510028..e1ab61cbb 100644
--- a/MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs
+++ b/MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs
@@ -444,7 +444,11 @@ namespace MediaBrowser.Providers.MediaInfo
             {
                 if (string.IsNullOrWhiteSpace(video.Name) || string.Equals(video.Name, Path.GetFileNameWithoutExtension(video.Path), StringComparison.OrdinalIgnoreCase))
                 {
-                    video.Name = data.Name;
+                    // Don't use the embedded name for extras because it will often be the same name as the movie
+                    if (!video.ExtraType.HasValue && !video.IsOwnedItem)
+                    {
+                        video.Name = data.Name;
+                    }
                 }
             }
 
diff --git a/MediaBrowser.Server.Implementations/Activity/ActivityRepository.cs b/MediaBrowser.Server.Implementations/Activity/ActivityRepository.cs
index 85ab76182..b0e05a5bc 100644
--- a/MediaBrowser.Server.Implementations/Activity/ActivityRepository.cs
+++ b/MediaBrowser.Server.Implementations/Activity/ActivityRepository.cs
@@ -27,11 +27,11 @@ namespace MediaBrowser.Server.Implementations.Activity
             _appPaths = appPaths;
         }
 
-        public async Task Initialize()
+        public async Task Initialize(IDbConnector dbConnector)
         {
             var dbFile = Path.Combine(_appPaths.DataPath, "activitylog.db");
 
-            _connection = await SqliteExtensions.ConnectToDb(dbFile, Logger).ConfigureAwait(false);
+            _connection = await dbConnector.Connect(dbFile).ConfigureAwait(false);
 
             string[] queries = {
 
diff --git a/MediaBrowser.Server.Implementations/Channels/ChannelManager.cs b/MediaBrowser.Server.Implementations/Channels/ChannelManager.cs
index c9956c68a..6a9842cb2 100644
--- a/MediaBrowser.Server.Implementations/Channels/ChannelManager.cs
+++ b/MediaBrowser.Server.Implementations/Channels/ChannelManager.cs
@@ -133,7 +133,7 @@ namespace MediaBrowser.Server.Implementations.Channels
             if (query.IsFavorite.HasValue)
             {
                 var val = query.IsFavorite.Value;
-                channels = channels.Where(i => _userDataManager.GetUserData(user.Id, i.GetUserDataKey()).IsFavorite == val)
+                channels = channels.Where(i => _userDataManager.GetUserData(user,  i).IsFavorite == val)
                     .ToList();
             }
 
@@ -1437,7 +1437,7 @@ namespace MediaBrowser.Server.Implementations.Channels
                 case ItemFilter.IsFavoriteOrLikes:
                     return items.Where(item =>
                     {
-                        var userdata = _userDataManager.GetUserData(user.Id, item.GetUserDataKey());
+                        var userdata = _userDataManager.GetUserData(user, item);
 
                         if (userdata == null)
                         {
@@ -1453,7 +1453,7 @@ namespace MediaBrowser.Server.Implementations.Channels
                 case ItemFilter.Likes:
                     return items.Where(item =>
                     {
-                        var userdata = _userDataManager.GetUserData(user.Id, item.GetUserDataKey());
+                        var userdata = _userDataManager.GetUserData(user, item);
 
                         return userdata != null && userdata.Likes.HasValue && userdata.Likes.Value;
                     });
@@ -1461,7 +1461,7 @@ namespace MediaBrowser.Server.Implementations.Channels
                 case ItemFilter.Dislikes:
                     return items.Where(item =>
                     {
-                        var userdata = _userDataManager.GetUserData(user.Id, item.GetUserDataKey());
+                        var userdata = _userDataManager.GetUserData(user, item);
 
                         return userdata != null && userdata.Likes.HasValue && !userdata.Likes.Value;
                     });
@@ -1469,7 +1469,7 @@ namespace MediaBrowser.Server.Implementations.Channels
                 case ItemFilter.IsFavorite:
                     return items.Where(item =>
                     {
-                        var userdata = _userDataManager.GetUserData(user.Id, item.GetUserDataKey());
+                        var userdata = _userDataManager.GetUserData(user, item);
 
                         return userdata != null && userdata.IsFavorite;
                     });
@@ -1477,7 +1477,7 @@ namespace MediaBrowser.Server.Implementations.Channels
                 case ItemFilter.IsResumable:
                     return items.Where(item =>
                     {
-                        var userdata = _userDataManager.GetUserData(user.Id, item.GetUserDataKey());
+                        var userdata = _userDataManager.GetUserData(user, item);
 
                         return userdata != null && userdata.PlaybackPositionTicks > 0;
                     });
diff --git a/MediaBrowser.Server.Implementations/Dto/DtoService.cs b/MediaBrowser.Server.Implementations/Dto/DtoService.cs
index 7adde5c27..e8af0c3cb 100644
--- a/MediaBrowser.Server.Implementations/Dto/DtoService.cs
+++ b/MediaBrowser.Server.Implementations/Dto/DtoService.cs
@@ -487,7 +487,7 @@ namespace MediaBrowser.Server.Implementations.Dto
         {
             if (item.IsFolder)
             {
-                var userData = _userDataRepository.GetUserData(user.Id, item.GetUserDataKey());
+                var userData = _userDataRepository.GetUserData(user, item);
 
                 // Skip the user data manager because we've already looped through the recursive tree and don't want to do it twice
                 // TODO: Improve in future
@@ -1363,9 +1363,10 @@ namespace MediaBrowser.Server.Implementations.Dto
 
                 if (fields.Contains(ItemFields.MediaSourceCount))
                 {
-                    if (video.MediaSourceCount != 1)
+                    var mediaSourceCount = video.MediaSourceCount;
+                    if (mediaSourceCount != 1)
                     {
-                        dto.MediaSourceCount = video.MediaSourceCount;
+                        dto.MediaSourceCount = mediaSourceCount;
                     }
                 }
 
@@ -1686,7 +1687,7 @@ namespace MediaBrowser.Server.Implementations.Dto
                     dateLastMediaAdded = new[] { dateLastMediaAdded.Value, child.DateCreated }.Max();
                 }
 
-                var userdata = _userDataRepository.GetUserData(user.Id, child.GetUserDataKey());
+                var userdata = _userDataRepository.GetUserData(user, child);
 
                 recursiveItemCount++;
 
diff --git a/MediaBrowser.Server.Implementations/Library/LibraryManager.cs b/MediaBrowser.Server.Implementations/Library/LibraryManager.cs
index e1bcfa861..87fdc56b3 100644
--- a/MediaBrowser.Server.Implementations/Library/LibraryManager.cs
+++ b/MediaBrowser.Server.Implementations/Library/LibraryManager.cs
@@ -522,29 +522,7 @@ namespace MediaBrowser.Server.Implementations.Library
                 throw new ArgumentNullException("items");
             }
 
-            var dict = new Dictionary<Guid, BaseItem>();
-
-            foreach (var item in items)
-            {
-                var video = item as Video;
-
-                if (video != null)
-                {
-                    if (video.PrimaryVersionId.HasValue)
-                    {
-                        var primary = GetItemById(video.PrimaryVersionId.Value) as Video;
-
-                        if (primary != null)
-                        {
-                            dict[primary.Id] = primary;
-                            continue;
-                        }
-                    }
-                }
-                dict[item.Id] = item;
-            }
-
-            return dict.Values;
+            return items.DistinctBy(i => i.PresentationUniqueKey, StringComparer.OrdinalIgnoreCase);
         }
 
         /// <summary>
diff --git a/MediaBrowser.Server.Implementations/Library/MediaSourceManager.cs b/MediaBrowser.Server.Implementations/Library/MediaSourceManager.cs
index 092b797ce..a47fcdf4f 100644
--- a/MediaBrowser.Server.Implementations/Library/MediaSourceManager.cs
+++ b/MediaBrowser.Server.Implementations/Library/MediaSourceManager.cs
@@ -267,7 +267,7 @@ namespace MediaBrowser.Server.Implementations.Library
 
         private void SetUserProperties(IHasUserData item, MediaSourceInfo source, User user)
         {
-            var userData = item == null ? new UserItemData() : _userDataManager.GetUserData(user.Id, item.GetUserDataKey());
+            var userData = item == null ? new UserItemData() : _userDataManager.GetUserData(user, item);
 
             var allowRememberingSelection = item == null || item.EnableRememberingTrackSelections;
 
diff --git a/MediaBrowser.Server.Implementations/Library/UserDataManager.cs b/MediaBrowser.Server.Implementations/Library/UserDataManager.cs
index ae737d244..98f8abd40 100644
--- a/MediaBrowser.Server.Implementations/Library/UserDataManager.cs
+++ b/MediaBrowser.Server.Implementations/Library/UserDataManager.cs
@@ -56,27 +56,30 @@ namespace MediaBrowser.Server.Implementations.Library
 
             cancellationToken.ThrowIfCancellationRequested();
 
-            var key = item.GetUserDataKey();
+            var keys = item.GetUserDataKeys();
 
-            try
+            foreach (var key in keys)
             {
-                await Repository.SaveUserData(userId, key, userData, cancellationToken).ConfigureAwait(false);
+                try
+                {
+                    await Repository.SaveUserData(userId, key, userData, cancellationToken).ConfigureAwait(false);
 
-                var newValue = userData;
+                    var newValue = userData;
 
-                // Once it succeeds, put it into the dictionary to make it available to everyone else
-                _userData.AddOrUpdate(GetCacheKey(userId, key), newValue, delegate { return newValue; });
-            }
-            catch (Exception ex)
-            {
-                _logger.ErrorException("Error saving user data", ex);
+                    // Once it succeeds, put it into the dictionary to make it available to everyone else
+                    _userData.AddOrUpdate(GetCacheKey(userId, key), newValue, delegate { return newValue; });
+                }
+                catch (Exception ex)
+                {
+                    _logger.ErrorException("Error saving user data", ex);
 
-                throw;
+                    throw;
+                }
             }
 
             EventHelper.FireEventIfNotNull(UserDataSaved, this, new UserDataSaveEventArgs
             {
-                Key = key,
+                Keys = keys,
                 UserData = userData,
                 SaveReason = reason,
                 UserId = userId,
@@ -172,6 +175,21 @@ namespace MediaBrowser.Server.Implementations.Library
             return userId + key;
         }
 
+        public UserItemData GetUserData(IHasUserData user, IHasUserData item)
+        {
+            return GetUserData(user.Id, item.GetUserDataKey());
+        }
+
+        public UserItemData GetUserData(string userId, IHasUserData item)
+        {
+            return GetUserData(userId, item.GetUserDataKey());
+        }
+
+        public UserItemData GetUserData(Guid userId, IHasUserData item)
+        {
+            return GetUserData(userId, item.GetUserDataKey());
+        }
+
         public UserItemDataDto GetUserDataDto(IHasUserData item, User user)
         {
             var userData = GetUserData(user.Id, item.GetUserDataKey());
diff --git a/MediaBrowser.Server.Implementations/LiveTv/LiveTvManager.cs b/MediaBrowser.Server.Implementations/LiveTv/LiveTvManager.cs
index ab2b59d48..eec8328f8 100644
--- a/MediaBrowser.Server.Implementations/LiveTv/LiveTvManager.cs
+++ b/MediaBrowser.Server.Implementations/LiveTv/LiveTvManager.cs
@@ -164,7 +164,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv
                     var val = query.IsFavorite.Value;
 
                     channels = channels
-                        .Where(i => _userDataManager.GetUserData(user.Id, i.GetUserDataKey()).IsFavorite == val);
+                        .Where(i => _userDataManager.GetUserData(user, i).IsFavorite == val);
                 }
 
                 if (query.IsLiked.HasValue)
@@ -174,7 +174,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv
                     channels = channels
                         .Where(i =>
                         {
-                            var likes = _userDataManager.GetUserData(user.Id, i.GetUserDataKey()).Likes;
+                            var likes = _userDataManager.GetUserData(user, i).Likes;
 
                             return likes.HasValue && likes.Value == val;
                         });
@@ -187,7 +187,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv
                     channels = channels
                         .Where(i =>
                         {
-                            var likes = _userDataManager.GetUserData(user.Id, i.GetUserDataKey()).Likes;
+                            var likes = _userDataManager.GetUserData(user, i).Likes;
 
                             return likes.HasValue && likes.Value != val;
                         });
@@ -200,7 +200,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv
             {
                 if (enableFavoriteSorting)
                 {
-                    var userData = _userDataManager.GetUserData(user.Id, i.GetUserDataKey());
+                    var userData = _userDataManager.GetUserData(user, i);
 
                     if (userData.IsFavorite)
                     {
@@ -1005,7 +1005,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv
 
             var channel = GetInternalChannel(program.ChannelId);
 
-            var channelUserdata = _userDataManager.GetUserData(userId, channel.GetUserDataKey());
+            var channelUserdata = _userDataManager.GetUserData(userId, channel);
 
             if (channelUserdata.Likes ?? false)
             {
@@ -1036,7 +1036,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv
 
                 if (genres.TryGetValue(i, out genre))
                 {
-                    var genreUserdata = _userDataManager.GetUserData(userId, genre.GetUserDataKey());
+                    var genreUserdata = _userDataManager.GetUserData(userId, genre);
 
                     if (genreUserdata.Likes ?? false)
                     {
diff --git a/MediaBrowser.Server.Implementations/MediaBrowser.Server.Implementations.csproj b/MediaBrowser.Server.Implementations/MediaBrowser.Server.Implementations.csproj
index 43f5d741b..aff3a5e16 100644
--- a/MediaBrowser.Server.Implementations/MediaBrowser.Server.Implementations.csproj
+++ b/MediaBrowser.Server.Implementations/MediaBrowser.Server.Implementations.csproj
@@ -78,9 +78,6 @@
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Data.SQLite">
-      <HintPath>..\ThirdParty\System.Data.SQLite.ManagedOnly\1.0.94.0\System.Data.SQLite.dll</HintPath>
-    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Data" />
     <Reference Include="System.Net" />
@@ -261,6 +258,8 @@
     <Compile Include="Notifications\IConfigurableNotificationService.cs" />
     <Compile Include="Persistence\BaseSqliteRepository.cs" />
     <Compile Include="Persistence\CleanDatabaseScheduledTask.cs" />
+    <Compile Include="Persistence\DataExtensions.cs" />
+    <Compile Include="Persistence\IDbConnector.cs" />
     <Compile Include="Persistence\MediaStreamColumns.cs" />
     <Compile Include="Social\SharingManager.cs" />
     <Compile Include="Social\SharingRepository.cs" />
@@ -275,7 +274,6 @@
     <Compile Include="Notifications\InternalNotificationService.cs" />
     <Compile Include="Notifications\NotificationConfigurationFactory.cs" />
     <Compile Include="Notifications\NotificationManager.cs" />
-    <Compile Include="Persistence\SqliteExtensions.cs" />
     <Compile Include="Persistence\SqliteFileOrganizationRepository.cs" />
     <Compile Include="Notifications\SqliteNotificationsRepository.cs" />
     <Compile Include="Persistence\SqliteProviderInfoRepository.cs" />
diff --git a/MediaBrowser.Server.Implementations/Notifications/SqliteNotificationsRepository.cs b/MediaBrowser.Server.Implementations/Notifications/SqliteNotificationsRepository.cs
index 7302431e1..cecf03ddf 100644
--- a/MediaBrowser.Server.Implementations/Notifications/SqliteNotificationsRepository.cs
+++ b/MediaBrowser.Server.Implementations/Notifications/SqliteNotificationsRepository.cs
@@ -32,11 +32,11 @@ namespace MediaBrowser.Server.Implementations.Notifications
             _appPaths = appPaths;
         }
 
-        public async Task Initialize()
+        public async Task Initialize(IDbConnector dbConnector)
         {
             var dbFile = Path.Combine(_appPaths.DataPath, "notifications.db");
 
-            _connection = await SqliteExtensions.ConnectToDb(dbFile, Logger).ConfigureAwait(false);
+            _connection = await dbConnector.Connect(dbFile).ConfigureAwait(false);
 
             string[] queries = {
 
diff --git a/MediaBrowser.Server.Implementations/Persistence/CleanDatabaseScheduledTask.cs b/MediaBrowser.Server.Implementations/Persistence/CleanDatabaseScheduledTask.cs
index 031333f2c..2a2f9a09d 100644
--- a/MediaBrowser.Server.Implementations/Persistence/CleanDatabaseScheduledTask.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/CleanDatabaseScheduledTask.cs
@@ -110,6 +110,12 @@ namespace MediaBrowser.Server.Implementations.Persistence
                 _config.SaveConfiguration();
             }
 
+            if (_config.Configuration.SchemaVersion < SqliteItemRepository.LatestSchemaVersion)
+            {
+                _config.Configuration.SchemaVersion = SqliteItemRepository.LatestSchemaVersion;
+                _config.SaveConfiguration();
+            }
+
             if (EnableUnavailableMessage)
             {
                 EnableUnavailableMessage = false;
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteExtensions.cs b/MediaBrowser.Server.Implementations/Persistence/DataExtensions.cs
similarity index 82%
rename from MediaBrowser.Server.Implementations/Persistence/SqliteExtensions.cs
rename to MediaBrowser.Server.Implementations/Persistence/DataExtensions.cs
index 4fb1e07dd..103b75f84 100644
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteExtensions.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/DataExtensions.cs
@@ -3,16 +3,12 @@ using MediaBrowser.Model.Logging;
 using MediaBrowser.Model.Serialization;
 using System;
 using System.Data;
-using System.Data.SQLite;
 using System.IO;
 using System.Threading.Tasks;
 
 namespace MediaBrowser.Server.Implementations.Persistence
 {
-    /// <summary>
-    /// Class SQLiteExtensions
-    /// </summary>
-    static class SqliteExtensions
+    static class DataExtensions
     {
         /// <summary>
         /// Determines whether the specified conn is open.
@@ -28,11 +24,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
         {
             return (IDataParameter)cmd.Parameters[index];
         }
-        
+
         public static IDataParameter Add(this IDataParameterCollection paramCollection, IDbCommand cmd, string name, DbType type)
         {
             var param = cmd.CreateParameter();
-           
+
             param.ParameterName = name;
             param.DbType = type;
 
@@ -48,11 +44,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
             param.ParameterName = name;
 
             paramCollection.Add(param);
-            
+
             return param;
         }
 
-        
+
         /// <summary>
         /// Gets a stream from a DataReader at a given ordinal
         /// </summary>
@@ -122,38 +118,6 @@ namespace MediaBrowser.Server.Implementations.Persistence
             }
         }
 
-        /// <summary>
-        /// Connects to db.
-        /// </summary>
-        /// <param name="dbPath">The db path.</param>
-        /// <param name="logger">The logger.</param>
-        /// <returns>Task{IDbConnection}.</returns>
-        /// <exception cref="System.ArgumentNullException">dbPath</exception>
-        public static async Task<IDbConnection> ConnectToDb(string dbPath, ILogger logger)
-        {
-            if (string.IsNullOrEmpty(dbPath))
-            {
-                throw new ArgumentNullException("dbPath");
-            }
-
-            logger.Info("Sqlite {0} opening {1}", SQLiteConnection.SQLiteVersion, dbPath);
-
-            var connectionstr = new SQLiteConnectionStringBuilder
-            {
-                PageSize = 4096,
-                CacheSize = 2000,
-                SyncMode = SynchronizationModes.Full,
-                DataSource = dbPath,
-                JournalMode = SQLiteJournalModeEnum.Wal
-            };
-
-            var connection = new SQLiteConnection(connectionstr.ConnectionString);
-
-            await connection.OpenAsync().ConfigureAwait(false);
-
-            return connection;
-        }
-
         public static void Attach(IDbConnection db, string path, string alias)
         {
             using (var cmd = db.CreateCommand())
diff --git a/MediaBrowser.Server.Implementations/Persistence/IDbConnector.cs b/MediaBrowser.Server.Implementations/Persistence/IDbConnector.cs
new file mode 100644
index 000000000..cac9fe983
--- /dev/null
+++ b/MediaBrowser.Server.Implementations/Persistence/IDbConnector.cs
@@ -0,0 +1,10 @@
+using System.Data;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Server.Implementations.Persistence
+{
+    public interface IDbConnector
+    {
+        Task<IDbConnection> Connect(string dbPath);
+    }
+}
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteDisplayPreferencesRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteDisplayPreferencesRepository.cs
index 45e0304c1..6077cfdba 100644
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteDisplayPreferencesRepository.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/SqliteDisplayPreferencesRepository.cs
@@ -52,11 +52,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
         /// Opens the connection to the database
         /// </summary>
         /// <returns>Task.</returns>
-        public async Task Initialize()
+        public async Task Initialize(IDbConnector dbConnector)
         {
             var dbFile = Path.Combine(_appPaths.DataPath, "displaypreferences.db");
 
-            _connection = await SqliteExtensions.ConnectToDb(dbFile, Logger).ConfigureAwait(false);
+            _connection = await dbConnector.Connect(dbFile).ConfigureAwait(false);
 
             string[] queries = {
 
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteFileOrganizationRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteFileOrganizationRepository.cs
index 2d5aad04d..037776997 100644
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteFileOrganizationRepository.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/SqliteFileOrganizationRepository.cs
@@ -35,11 +35,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
         /// Opens the connection to the database
         /// </summary>
         /// <returns>Task.</returns>
-        public async Task Initialize()
+        public async Task Initialize(IDbConnector dbConnector)
         {
             var dbFile = Path.Combine(_appPaths.DataPath, "fileorganization.db");
 
-            _connection = await SqliteExtensions.ConnectToDb(dbFile, Logger).ConfigureAwait(false);
+            _connection = await dbConnector.Connect(dbFile).ConfigureAwait(false);
 
             string[] queries = {
 
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
index a44d66c73..6959de8e6 100644
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
@@ -20,6 +20,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Controller.Channels;
+using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Playlists;
 using MediaBrowser.Model.LiveTv;
 
@@ -55,7 +56,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
         /// <summary>
         /// The _app paths
         /// </summary>
-        private readonly IApplicationPaths _appPaths;
+        private readonly IServerConfigurationManager _config;
 
         /// <summary>
         /// The _save item command
@@ -81,35 +82,31 @@ namespace MediaBrowser.Server.Implementations.Persistence
         private IDbCommand _updateInheritedRatingCommand;
         private IDbCommand _updateInheritedTagsCommand;
 
-        private const int LatestSchemaVersion = 65;
+        public const int LatestSchemaVersion = 68;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="SqliteItemRepository"/> class.
         /// </summary>
-        /// <param name="appPaths">The app paths.</param>
-        /// <param name="jsonSerializer">The json serializer.</param>
-        /// <param name="logManager">The log manager.</param>
-        /// <exception cref="System.ArgumentNullException">
         /// appPaths
         /// or
         /// jsonSerializer
         /// </exception>
-        public SqliteItemRepository(IApplicationPaths appPaths, IJsonSerializer jsonSerializer, ILogManager logManager)
+        public SqliteItemRepository(IServerConfigurationManager config, IJsonSerializer jsonSerializer, ILogManager logManager)
             : base(logManager)
         {
-            if (appPaths == null)
+            if (config == null)
             {
-                throw new ArgumentNullException("appPaths");
+                throw new ArgumentNullException("config");
             }
             if (jsonSerializer == null)
             {
                 throw new ArgumentNullException("jsonSerializer");
             }
 
-            _appPaths = appPaths;
+            _config = config;
             _jsonSerializer = jsonSerializer;
 
-            _criticReviewsPath = Path.Combine(_appPaths.DataPath, "critic-reviews");
+            _criticReviewsPath = Path.Combine(_config.ApplicationPaths.DataPath, "critic-reviews");
         }
 
         private const string ChaptersTableName = "Chapters2";
@@ -118,11 +115,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
         /// Opens the connection to the database
         /// </summary>
         /// <returns>Task.</returns>
-        public async Task Initialize()
+        public async Task Initialize(IDbConnector dbConnector)
         {
-            var dbFile = Path.Combine(_appPaths.DataPath, "library.db");
+            var dbFile = Path.Combine(_config.ApplicationPaths.DataPath, "library.db");
 
-            _connection = await SqliteExtensions.ConnectToDb(dbFile, Logger).ConfigureAwait(false);
+            _connection = await dbConnector.Connect(dbFile).ConfigureAwait(false);
 
             var createMediaStreamsTableCommand
                = "create table if not exists mediastreams (ItemId GUID, StreamIndex INT, StreamType TEXT, Codec TEXT, Language TEXT, ChannelLayout TEXT, Profile TEXT, AspectRatio TEXT, Path TEXT, IsInterlaced BIT, BitRate INT NULL, Channels INT NULL, SampleRate INT NULL, IsDefault BIT, IsForced BIT, IsExternal BIT, Height INT NULL, Width INT NULL, AverageFrameRate FLOAT NULL, RealFrameRate FLOAT NULL, Level FLOAT NULL, PixelFormat TEXT, BitDepth INT NULL, IsAnamorphic BIT NULL, RefFrames INT NULL, CodecTag TEXT NULL, Comment TEXT NULL, NalLengthSize TEXT NULL, IsAvc BIT NULL, PRIMARY KEY (ItemId, StreamIndex))";
@@ -228,18 +225,27 @@ namespace MediaBrowser.Server.Implementations.Persistence
             _connection.AddColumn(Logger, "TypedBaseItems", "DateModifiedDuringLastRefresh", "DATETIME");
             _connection.AddColumn(Logger, "TypedBaseItems", "InheritedTags", "Text");
             _connection.AddColumn(Logger, "TypedBaseItems", "CleanName", "Text");
+            _connection.AddColumn(Logger, "TypedBaseItems", "PresentationUniqueKey", "Text");
+
+            string[] postQueries =
+                {
+                "create index if not exists idx_PresentationUniqueKey on TypedBaseItems(PresentationUniqueKey)",
+                "create index if not exists idx_Type on TypedBaseItems(Type)"
+            };
+
+            _connection.RunQueries(postQueries, Logger);
 
             PrepareStatements();
 
             new MediaStreamColumns(_connection, Logger).AddColumns();
 
-            var chapterDbFile = Path.Combine(_appPaths.DataPath, "chapters.db");
+            var chapterDbFile = Path.Combine(_config.ApplicationPaths.DataPath, "chapters.db");
             if (File.Exists(chapterDbFile))
             {
                 MigrateChapters(chapterDbFile);
             }
 
-            var mediaStreamsDbFile = Path.Combine(_appPaths.DataPath, "mediainfo.db");
+            var mediaStreamsDbFile = Path.Combine(_config.ApplicationPaths.DataPath, "mediainfo.db");
             if (File.Exists(mediaStreamsDbFile))
             {
                 MigrateMediaStreams(mediaStreamsDbFile);
@@ -252,7 +258,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
             {
                 var backupFile = file + ".bak";
                 File.Copy(file, backupFile, true);
-                SqliteExtensions.Attach(_connection, backupFile, "MediaInfoOld");
+                DataExtensions.Attach(_connection, backupFile, "MediaInfoOld");
 
                 var columns = string.Join(",", _mediaStreamSaveColumns);
 
@@ -278,7 +284,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
             {
                 var backupFile = file + ".bak";
                 File.Copy(file, backupFile, true);
-                SqliteExtensions.Attach(_connection, backupFile, "ChaptersOld");
+                DataExtensions.Attach(_connection, backupFile, "ChaptersOld");
 
                 string[] queries = {
                                 "REPLACE INTO "+ChaptersTableName+"(ItemId, ChapterIndex, StartPositionTicks, Name, ImagePath) SELECT ItemId, ChapterIndex, StartPositionTicks, Name, ImagePath FROM ChaptersOld.Chapters;"
@@ -469,7 +475,8 @@ namespace MediaBrowser.Server.Implementations.Persistence
                 "CriticRatingSummary",
                 "DateModifiedDuringLastRefresh",
                 "InheritedTags",
-                "CleanName"
+                "CleanName",
+                "PresentationUniqueKey"
             };
             _saveItemCommand = _connection.CreateCommand();
             _saveItemCommand.CommandText = "replace into TypedBaseItems (" + string.Join(",", saveColumns.ToArray()) + ") values (";
@@ -803,6 +810,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
                     {
                         _saveItemCommand.GetParameter(index++).Value = item.Name.RemoveDiacritics();
                     }
+                    _saveItemCommand.GetParameter(index++).Value = item.PresentationUniqueKey;
 
                     _saveItemCommand.Transaction = transaction;
 
@@ -1463,6 +1471,8 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
             CheckDisposed();
 
+            var now = DateTime.UtcNow;
+
             using (var cmd = _connection.CreateCommand())
             {
                 cmd.CommandText = "select " + string.Join(",", _retriveItemColumns) + " from TypedBaseItems";
@@ -1475,6 +1485,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
                 cmd.CommandText += whereText;
 
+                if (EnableGroupByPresentationUniqueKey(query) && _config.Configuration.SchemaVersion >= 66)
+                {
+                    cmd.CommandText += " Group by PresentationUniqueKey";
+                }
+
                 cmd.CommandText += GetOrderByText(query);
 
                 if (query.Limit.HasValue)
@@ -1482,10 +1497,12 @@ namespace MediaBrowser.Server.Implementations.Persistence
                     cmd.CommandText += " LIMIT " + query.Limit.Value.ToString(CultureInfo.InvariantCulture);
                 }
 
-                //Logger.Debug(cmd.CommandText);
-
                 using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
                 {
+                    Logger.Debug("GetItemList query time: {0}ms. Query: {1}", 
+                        Convert.ToInt32((DateTime.UtcNow - now).TotalMilliseconds),
+                        cmd.CommandText);
+
                     while (reader.Read())
                     {
                         var item = GetItem(reader);
@@ -1507,6 +1524,8 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
             CheckDisposed();
 
+            var now = DateTime.UtcNow;
+
             using (var cmd = _connection.CreateCommand())
             {
                 cmd.CommandText = "select " + string.Join(",", _retriveItemColumns) + " from TypedBaseItems";
@@ -1525,6 +1544,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
                 cmd.CommandText += whereText;
 
+                if (EnableGroupByPresentationUniqueKey(query) && _config.Configuration.SchemaVersion >= 66)
+                {
+                    cmd.CommandText += " Group by PresentationUniqueKey";
+                }
+
                 cmd.CommandText += GetOrderByText(query);
 
                 if (query.Limit.HasValue)
@@ -1532,15 +1556,24 @@ namespace MediaBrowser.Server.Implementations.Persistence
                     cmd.CommandText += " LIMIT " + query.Limit.Value.ToString(CultureInfo.InvariantCulture);
                 }
 
-                cmd.CommandText += "; select count (guid) from TypedBaseItems" + whereTextWithoutPaging;
-
-                //Logger.Debug(cmd.CommandText);
+                if (_config.Configuration.SchemaVersion >= 66)
+                {
+                    cmd.CommandText += "; select count (distinct PresentationUniqueKey) from TypedBaseItems" + whereTextWithoutPaging;
+                }
+                else
+                {
+                    cmd.CommandText += "; select count (guid) from TypedBaseItems" + whereTextWithoutPaging;
+                }
 
                 var list = new List<BaseItem>();
                 var count = 0;
 
                 using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess))
                 {
+                    Logger.Debug("GetItems query time: {0}ms. Query: {1}",
+                        Convert.ToInt32((DateTime.UtcNow - now).TotalMilliseconds),
+                        cmd.CommandText);
+
                     while (reader.Read())
                     {
                         var item = GetItem(reader);
@@ -1608,6 +1641,8 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
             CheckDisposed();
 
+            var now = DateTime.UtcNow;
+
             using (var cmd = _connection.CreateCommand())
             {
                 cmd.CommandText = "select guid from TypedBaseItems";
@@ -1620,6 +1655,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
                 cmd.CommandText += whereText;
 
+                if (EnableGroupByPresentationUniqueKey(query) && _config.Configuration.SchemaVersion >= 66)
+                {
+                    cmd.CommandText += " Group by PresentationUniqueKey";
+                }
+
                 cmd.CommandText += GetOrderByText(query);
 
                 if (query.Limit.HasValue)
@@ -1629,10 +1669,12 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
                 var list = new List<Guid>();
 
-                //Logger.Debug(cmd.CommandText);
-
                 using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
                 {
+                    Logger.Debug("GetItemIdsList query time: {0}ms. Query: {1}",
+                        Convert.ToInt32((DateTime.UtcNow - now).TotalMilliseconds),
+                        cmd.CommandText);
+
                     while (reader.Read())
                     {
                         list.Add(reader.GetGuid(0));
@@ -1662,7 +1704,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
                     string.Empty :
                     " where " + string.Join(" AND ", whereClauses.ToArray());
 
-                whereClauses = GetWhereClauses(query, cmd, true);
+                whereClauses = GetWhereClauses(query, cmd, true, false);
 
                 var whereText = whereClauses.Count == 0 ?
                     string.Empty :
@@ -1670,6 +1712,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
                 cmd.CommandText += whereText;
 
+                if (EnableGroupByPresentationUniqueKey(query) && _config.Configuration.SchemaVersion >= 66)
+                {
+                    cmd.CommandText += " Group by PresentationUniqueKey";
+                }
+
                 cmd.CommandText += GetOrderByText(query);
 
                 if (query.Limit.HasValue)
@@ -1721,6 +1768,8 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
             CheckDisposed();
 
+            var now = DateTime.UtcNow;
+
             using (var cmd = _connection.CreateCommand())
             {
                 cmd.CommandText = "select guid from TypedBaseItems";
@@ -1739,6 +1788,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
                 cmd.CommandText += whereText;
 
+                if (EnableGroupByPresentationUniqueKey(query) && _config.Configuration.SchemaVersion >= 66)
+                {
+                    cmd.CommandText += " Group by PresentationUniqueKey";
+                }
+
                 cmd.CommandText += GetOrderByText(query);
 
                 if (query.Limit.HasValue)
@@ -1746,15 +1800,24 @@ namespace MediaBrowser.Server.Implementations.Persistence
                     cmd.CommandText += " LIMIT " + query.Limit.Value.ToString(CultureInfo.InvariantCulture);
                 }
 
-                cmd.CommandText += "; select count (guid) from TypedBaseItems" + whereTextWithoutPaging;
+                if (EnableGroupByPresentationUniqueKey(query) && _config.Configuration.SchemaVersion >= 66)
+                {
+                    cmd.CommandText += "; select count (distinct PresentationUniqueKey) from TypedBaseItems" + whereTextWithoutPaging;
+                }
+                else
+                {
+                    cmd.CommandText += "; select count (guid) from TypedBaseItems" + whereTextWithoutPaging;
+                }
 
                 var list = new List<Guid>();
                 var count = 0;
 
-                //Logger.Debug(cmd.CommandText);
-
                 using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess))
                 {
+                    Logger.Debug("GetItemIds query time: {0}ms. Query: {1}",
+                        Convert.ToInt32((DateTime.UtcNow - now).TotalMilliseconds),
+                        cmd.CommandText);
+
                     while (reader.Read())
                     {
                         list.Add(reader.GetGuid(0));
@@ -1774,7 +1837,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
             }
         }
 
-        private List<string> GetWhereClauses(InternalItemsQuery query, IDbCommand cmd, bool addPaging)
+        private List<string> GetWhereClauses(InternalItemsQuery query, IDbCommand cmd, bool addPaging, bool enablePresentationUniqueKey = true)
         {
             var whereClauses = new List<string>();
 
@@ -1873,6 +1936,12 @@ namespace MediaBrowser.Server.Implementations.Persistence
                 cmd.Parameters.Add(cmd, "@Path", DbType.String).Value = query.Path;
             }
 
+            if (!string.IsNullOrWhiteSpace(query.PresentationUniqueKey))
+            {
+                whereClauses.Add("PresentationUniqueKey=@PresentationUniqueKey");
+                cmd.Parameters.Add(cmd, "@PresentationUniqueKey", DbType.String).Value = query.PresentationUniqueKey;
+            }
+
             if (query.MinCommunityRating.HasValue)
             {
                 whereClauses.Add("CommunityRating>=@MinCommunityRating");
@@ -1998,9 +2067,40 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
             if (!string.IsNullOrWhiteSpace(query.NameContains))
             {
-                whereClauses.Add("CleanName like @NameContains");
+                if (_config.Configuration.SchemaVersion >= 66)
+                {
+                    whereClauses.Add("CleanName like @NameContains");
+                }
+                else
+                {
+                    whereClauses.Add("Name like @NameContains");
+                }
                 cmd.Parameters.Add(cmd, "@NameContains", DbType.String).Value = "%" + query.NameContains + "%";
             }
+            if (!string.IsNullOrWhiteSpace(query.NameStartsWith))
+            {
+                if (_config.Configuration.SchemaVersion >= 66)
+                {
+                    whereClauses.Add("CleanName like @NameStartsWith");
+                }
+                else
+                {
+                    whereClauses.Add("Name like @NameStartsWith");
+                }
+                cmd.Parameters.Add(cmd, "@NameStartsWith", DbType.String).Value = query.NameStartsWith + "%";
+            }
+            if (!string.IsNullOrWhiteSpace(query.NameStartsWithOrGreater))
+            {
+                whereClauses.Add("SortName >= @NameStartsWithOrGreater");
+                // lowercase this because SortName is stored as lowercase
+                cmd.Parameters.Add(cmd, "@NameStartsWithOrGreater", DbType.String).Value = query.NameStartsWithOrGreater.ToLower();
+            }
+            if (!string.IsNullOrWhiteSpace(query.NameLessThan))
+            {
+                whereClauses.Add("SortName < @NameLessThan");
+                // lowercase this because SortName is stored as lowercase
+                cmd.Parameters.Add(cmd, "@NameLessThan", DbType.String).Value = query.NameLessThan.ToLower();
+            }
 
             if (query.Genres.Length > 0)
             {
@@ -2134,7 +2234,8 @@ namespace MediaBrowser.Server.Implementations.Persistence
                 whereClauses.Add("MediaType in (" + val + ")");
             }
 
-            var enableItemsByName = query.IncludeItemsByName ?? query.IncludeItemTypes.Length > 0;
+            //var enableItemsByName = query.IncludeItemsByName ?? query.IncludeItemTypes.Length > 0;
+            var enableItemsByName = query.IncludeItemsByName ?? false;
 
             if (query.TopParentIds.Length == 1)
             {
@@ -2197,7 +2298,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
             excludeTagIndex = 0;
             foreach (var excludeTag in query.ExcludeInheritedTags)
             {
-                whereClauses.Add("(InheritedTags is null OR InheritedTags not like @excludeInheritedTag" + excludeTagIndex +")");
+                whereClauses.Add("(InheritedTags is null OR InheritedTags not like @excludeInheritedTag" + excludeTagIndex + ")");
                 cmd.Parameters.Add(cmd, "@excludeInheritedTag" + excludeTagIndex, DbType.String).Value = "%" + excludeTag + "%";
                 excludeTagIndex++;
             }
@@ -2210,6 +2311,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
                         string.Empty :
                         " where " + string.Join(" AND ", whereClauses.ToArray());
 
+                    if (enablePresentationUniqueKey && EnableGroupByPresentationUniqueKey(query) && _config.Configuration.SchemaVersion >= 66)
+                    {
+                        pagingWhereText += " Group by PresentationUniqueKey";
+                    }
+
                     var orderBy = GetOrderByText(query);
 
                     whereClauses.Add(string.Format("guid NOT IN (SELECT guid FROM TypedBaseItems {0}" + orderBy + " LIMIT {1})",
@@ -2221,6 +2327,34 @@ namespace MediaBrowser.Server.Implementations.Persistence
             return whereClauses;
         }
 
+        private bool EnableGroupByPresentationUniqueKey(InternalItemsQuery query)
+        {
+            if (!string.IsNullOrWhiteSpace(query.PresentationUniqueKey))
+            {
+                return false;
+            }
+
+            if (query.IncludeItemTypes.Length == 0)
+            {
+                return true;
+            }
+
+            var types = new[] {
+                typeof(Episode).Name,
+                typeof(Video).Name ,
+                typeof(Movie).Name ,
+                typeof(MusicVideo).Name ,
+                typeof(Series).Name ,
+                typeof(Season).Name };
+
+            if (types.Any(i => query.IncludeItemTypes.Contains(i, StringComparer.OrdinalIgnoreCase)))
+            {
+                return true;
+            }
+
+            return false;
+        }
+
         private static readonly Type[] KnownTypes =
         {
             typeof(LiveTvProgram),
@@ -2299,7 +2433,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
             try
             {
                 transaction = _connection.BeginTransaction();
-                
+
                 foreach (var item in newValues)
                 {
                     _updateInheritedTagsCommand.GetParameter(0).Value = item.Item1;
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteProviderInfoRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteProviderInfoRepository.cs
index dbceda727..40d5c9586 100644
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteProviderInfoRepository.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/SqliteProviderInfoRepository.cs
@@ -39,11 +39,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
         /// Opens the connection to the database
         /// </summary>
         /// <returns>Task.</returns>
-        public async Task Initialize()
+        public async Task Initialize(IDbConnector dbConnector)
         {
             var dbFile = Path.Combine(_appPaths.DataPath, "refreshinfo.db");
 
-            _connection = await SqliteExtensions.ConnectToDb(dbFile, Logger).ConfigureAwait(false);
+            _connection = await dbConnector.Connect(dbFile).ConfigureAwait(false);
 
             string[] queries = {
 
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteUserDataRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteUserDataRepository.cs
index 63c41c71f..33a2b1187 100644
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteUserDataRepository.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/SqliteUserDataRepository.cs
@@ -37,11 +37,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
         /// Opens the connection to the database
         /// </summary>
         /// <returns>Task.</returns>
-        public async Task Initialize()
+        public async Task Initialize(IDbConnector dbConnector)
         {
             var dbFile = Path.Combine(_appPaths.DataPath, "userdata_v2.db");
 
-            _connection = await SqliteExtensions.ConnectToDb(dbFile, Logger).ConfigureAwait(false);
+            _connection = await dbConnector.Connect(dbFile).ConfigureAwait(false);
 
             string[] queries = {
 
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteUserRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteUserRepository.cs
index 9bd7e47f3..f7ca39a54 100644
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteUserRepository.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/SqliteUserRepository.cs
@@ -43,12 +43,12 @@ namespace MediaBrowser.Server.Implementations.Persistence
         /// Opens the connection to the database
         /// </summary>
         /// <returns>Task.</returns>
-        public async Task Initialize()
+        public async Task Initialize(IDbConnector dbConnector)
         {
             var dbFile = Path.Combine(_appPaths.DataPath, "users.db");
 
-            _connection = await SqliteExtensions.ConnectToDb(dbFile, Logger).ConfigureAwait(false);
-            
+            _connection = await dbConnector.Connect(dbFile).ConfigureAwait(false);
+
             string[] queries = {
 
                                 "create table if not exists users (guid GUID primary key, data BLOB)",
diff --git a/MediaBrowser.Server.Implementations/Security/AuthenticationRepository.cs b/MediaBrowser.Server.Implementations/Security/AuthenticationRepository.cs
index b932f0cac..e8d9814ec 100644
--- a/MediaBrowser.Server.Implementations/Security/AuthenticationRepository.cs
+++ b/MediaBrowser.Server.Implementations/Security/AuthenticationRepository.cs
@@ -27,11 +27,11 @@ namespace MediaBrowser.Server.Implementations.Security
             _appPaths = appPaths;
         }
 
-        public async Task Initialize()
+        public async Task Initialize(IDbConnector dbConnector)
         {
             var dbFile = Path.Combine(_appPaths.DataPath, "authentication.db");
 
-            _connection = await SqliteExtensions.ConnectToDb(dbFile, Logger).ConfigureAwait(false);
+            _connection = await dbConnector.Connect(dbFile).ConfigureAwait(false);
 
             string[] queries = {
 
diff --git a/MediaBrowser.Server.Implementations/Session/SessionManager.cs b/MediaBrowser.Server.Implementations/Session/SessionManager.cs
index 88f11c368..014e8babf 100644
--- a/MediaBrowser.Server.Implementations/Session/SessionManager.cs
+++ b/MediaBrowser.Server.Implementations/Session/SessionManager.cs
@@ -601,11 +601,9 @@ namespace MediaBrowser.Server.Implementations.Session
 
             if (libraryItem != null)
             {
-                var key = libraryItem.GetUserDataKey();
-
                 foreach (var user in users)
                 {
-                    await OnPlaybackStart(user.Id, key, libraryItem).ConfigureAwait(false);
+                    await OnPlaybackStart(user.Id, libraryItem).ConfigureAwait(false);
                 }
             }
 
@@ -632,12 +630,11 @@ namespace MediaBrowser.Server.Implementations.Session
         /// Called when [playback start].
         /// </summary>
         /// <param name="userId">The user identifier.</param>
-        /// <param name="userDataKey">The user data key.</param>
         /// <param name="item">The item.</param>
         /// <returns>Task.</returns>
-        private async Task OnPlaybackStart(Guid userId, string userDataKey, IHasUserData item)
+        private async Task OnPlaybackStart(Guid userId, IHasUserData item)
         {
-            var data = _userDataRepository.GetUserData(userId, userDataKey);
+            var data = _userDataRepository.GetUserData(userId, item);
 
             data.PlayCount++;
             data.LastPlayedDate = DateTime.UtcNow;
@@ -676,11 +673,9 @@ namespace MediaBrowser.Server.Implementations.Session
 
             if (libraryItem != null)
             {
-                var key = libraryItem.GetUserDataKey();
-
                 foreach (var user in users)
                 {
-                    await OnPlaybackProgress(user, key, libraryItem, info).ConfigureAwait(false);
+                    await OnPlaybackProgress(user, libraryItem, info).ConfigureAwait(false);
                 }
             }
 
@@ -714,9 +709,9 @@ namespace MediaBrowser.Server.Implementations.Session
             StartIdleCheckTimer();
         }
 
-        private async Task OnPlaybackProgress(User user, string userDataKey, BaseItem item, PlaybackProgressInfo info)
+        private async Task OnPlaybackProgress(User user, BaseItem item, PlaybackProgressInfo info)
         {
-            var data = _userDataRepository.GetUserData(user.Id, userDataKey);
+            var data = _userDataRepository.GetUserData(user.Id, item);
 
             var positionTicks = info.PositionTicks;
 
@@ -811,11 +806,9 @@ namespace MediaBrowser.Server.Implementations.Session
 
             if (libraryItem != null)
             {
-                var key = libraryItem.GetUserDataKey();
-
                 foreach (var user in users)
                 {
-                    playedToCompletion = await OnPlaybackStopped(user.Id, key, libraryItem, info.PositionTicks, info.Failed).ConfigureAwait(false);
+                    playedToCompletion = await OnPlaybackStopped(user.Id, libraryItem, info.PositionTicks, info.Failed).ConfigureAwait(false);
                 }
             }
 
@@ -848,13 +841,13 @@ namespace MediaBrowser.Server.Implementations.Session
             await SendPlaybackStoppedNotification(session, CancellationToken.None).ConfigureAwait(false);
         }
 
-        private async Task<bool> OnPlaybackStopped(Guid userId, string userDataKey, BaseItem item, long? positionTicks, bool playbackFailed)
+        private async Task<bool> OnPlaybackStopped(Guid userId, BaseItem item, long? positionTicks, bool playbackFailed)
         {
             bool playedToCompletion = false;
 
             if (!playbackFailed)
             {
-                var data = _userDataRepository.GetUserData(userId, userDataKey);
+                var data = _userDataRepository.GetUserData(userId, item);
                 
                 if (positionTicks.HasValue)
                 {
diff --git a/MediaBrowser.Server.Implementations/Social/SharingRepository.cs b/MediaBrowser.Server.Implementations/Social/SharingRepository.cs
index d6d7f021a..317743eb1 100644
--- a/MediaBrowser.Server.Implementations/Social/SharingRepository.cs
+++ b/MediaBrowser.Server.Implementations/Social/SharingRepository.cs
@@ -26,11 +26,11 @@ namespace MediaBrowser.Server.Implementations.Social
         /// Opens the connection to the database
         /// </summary>
         /// <returns>Task.</returns>
-        public async Task Initialize()
+        public async Task Initialize(IDbConnector dbConnector)
         {
             var dbFile = Path.Combine(_appPaths.DataPath, "shares.db");
 
-            _connection = await SqliteExtensions.ConnectToDb(dbFile, Logger).ConfigureAwait(false);
+            _connection = await dbConnector.Connect(dbFile).ConfigureAwait(false);
 
             string[] queries = {
 
diff --git a/MediaBrowser.Server.Implementations/Sorting/AiredEpisodeOrderComparer.cs b/MediaBrowser.Server.Implementations/Sorting/AiredEpisodeOrderComparer.cs
index 70cf805cf..91abbe34c 100644
--- a/MediaBrowser.Server.Implementations/Sorting/AiredEpisodeOrderComparer.cs
+++ b/MediaBrowser.Server.Implementations/Sorting/AiredEpisodeOrderComparer.cs
@@ -49,8 +49,8 @@ namespace MediaBrowser.Server.Implementations.Sorting
 
         private int Compare(Episode x, Episode y)
         {
-            var isXSpecial = (x.PhysicalSeasonNumber ?? -1) == 0;
-            var isYSpecial = (y.PhysicalSeasonNumber ?? -1) == 0;
+            var isXSpecial = (x.ParentIndexNumber ?? -1) == 0;
+            var isYSpecial = (y.ParentIndexNumber ?? -1) == 0;
 
             if (isXSpecial && isYSpecial)
             {
@@ -74,7 +74,7 @@ namespace MediaBrowser.Server.Implementations.Sorting
         {
             // http://thetvdb.com/wiki/index.php?title=Special_Episodes
 
-            var xSeason = x.PhysicalSeasonNumber ?? -1;
+            var xSeason = x.ParentIndexNumber ?? -1;
             var ySeason = y.AirsAfterSeasonNumber ?? y.AirsBeforeSeasonNumber ?? -1;
 
             if (xSeason != ySeason)
@@ -142,8 +142,8 @@ namespace MediaBrowser.Server.Implementations.Sorting
 
         private int CompareEpisodes(Episode x, Episode y)
         {
-            var xValue = (x.PhysicalSeasonNumber ?? -1) * 1000 + (x.IndexNumber ?? -1);
-            var yValue = (y.PhysicalSeasonNumber ?? -1) * 1000 + (y.IndexNumber ?? -1);
+            var xValue = (x.ParentIndexNumber ?? -1) * 1000 + (x.IndexNumber ?? -1);
+            var yValue = (y.ParentIndexNumber ?? -1) * 1000 + (y.IndexNumber ?? -1);
 
             return xValue.CompareTo(yValue);
         }
diff --git a/MediaBrowser.Server.Implementations/Sorting/DatePlayedComparer.cs b/MediaBrowser.Server.Implementations/Sorting/DatePlayedComparer.cs
index c881591be..3edf23020 100644
--- a/MediaBrowser.Server.Implementations/Sorting/DatePlayedComparer.cs
+++ b/MediaBrowser.Server.Implementations/Sorting/DatePlayedComparer.cs
@@ -47,7 +47,7 @@ namespace MediaBrowser.Server.Implementations.Sorting
         /// <returns>DateTime.</returns>
         private DateTime GetDate(BaseItem x)
         {
-            var userdata = UserDataRepository.GetUserData(User.Id, x.GetUserDataKey());
+            var userdata = UserDataRepository.GetUserData(User, x);
 
             if (userdata != null && userdata.LastPlayedDate.HasValue)
             {
diff --git a/MediaBrowser.Server.Implementations/Sorting/PlayCountComparer.cs b/MediaBrowser.Server.Implementations/Sorting/PlayCountComparer.cs
index 1bc5261b4..8b14efffc 100644
--- a/MediaBrowser.Server.Implementations/Sorting/PlayCountComparer.cs
+++ b/MediaBrowser.Server.Implementations/Sorting/PlayCountComparer.cs
@@ -34,7 +34,7 @@ namespace MediaBrowser.Server.Implementations.Sorting
         /// <returns>DateTime.</returns>
         private int GetValue(BaseItem x)
         {
-            var userdata = UserDataRepository.GetUserData(User.Id, x.GetUserDataKey());
+            var userdata = UserDataRepository.GetUserData(User, x);
 
             return userdata == null ? 0 : userdata.PlayCount;
         }
diff --git a/MediaBrowser.Server.Implementations/Sync/SyncManager.cs b/MediaBrowser.Server.Implementations/Sync/SyncManager.cs
index fe1a7fb28..38edc3024 100644
--- a/MediaBrowser.Server.Implementations/Sync/SyncManager.cs
+++ b/MediaBrowser.Server.Implementations/Sync/SyncManager.cs
@@ -687,7 +687,7 @@ namespace MediaBrowser.Server.Implementations.Sync
         private Task ReportOfflinePlayedItem(UserAction action)
         {
             var item = _libraryManager.GetItemById(action.ItemId);
-            var userData = _userDataManager.GetUserData(new Guid(action.UserId), item.GetUserDataKey());
+            var userData = _userDataManager.GetUserData(action.UserId, item);
 
             userData.LastPlayedDate = action.Date;
             _userDataManager.UpdatePlayState(item, userData, action.PositionTicks);
diff --git a/MediaBrowser.Server.Implementations/Sync/SyncRepository.cs b/MediaBrowser.Server.Implementations/Sync/SyncRepository.cs
index 965c081eb..6d31663b9 100644
--- a/MediaBrowser.Server.Implementations/Sync/SyncRepository.cs
+++ b/MediaBrowser.Server.Implementations/Sync/SyncRepository.cs
@@ -39,11 +39,11 @@ namespace MediaBrowser.Server.Implementations.Sync
             _appPaths = appPaths;
         }
 
-        public async Task Initialize()
+        public async Task Initialize(IDbConnector dbConnector)
         {
             var dbFile = Path.Combine(_appPaths.DataPath, "sync14.db");
 
-            _connection = await SqliteExtensions.ConnectToDb(dbFile, Logger).ConfigureAwait(false);
+            _connection = await dbConnector.Connect(dbFile).ConfigureAwait(false);
 
             string[] queries = {
 
diff --git a/MediaBrowser.Server.Implementations/TV/TVSeriesManager.cs b/MediaBrowser.Server.Implementations/TV/TVSeriesManager.cs
index 3e43ebe9b..ec91dc1b7 100644
--- a/MediaBrowser.Server.Implementations/TV/TVSeriesManager.cs
+++ b/MediaBrowser.Server.Implementations/TV/TVSeriesManager.cs
@@ -36,10 +36,25 @@ namespace MediaBrowser.Server.Implementations.TV
                 ? new string[] { }
                 : new[] { request.ParentId };
 
+            string presentationUniqueKey = null;
+            int? limit = null;
+            if (!string.IsNullOrWhiteSpace(request.SeriesId))
+            {
+                var series = _libraryManager.GetItemById(request.SeriesId);
+
+                if (series != null)
+                {
+                    presentationUniqueKey = series.PresentationUniqueKey;
+                    limit = 1;
+                }
+            }
+
             var items = _libraryManager.GetItemList(new InternalItemsQuery(user)
             {
                 IncludeItemTypes = new[] { typeof(Series).Name },
-                SortOrder = SortOrder.Ascending
+                SortOrder = SortOrder.Ascending,
+                PresentationUniqueKey = presentationUniqueKey,
+                Limit = limit
 
             }, parentIds).Cast<Series>();
 
@@ -58,10 +73,25 @@ namespace MediaBrowser.Server.Implementations.TV
                 throw new ArgumentException("User not found");
             }
 
+            string presentationUniqueKey = null;
+            int? limit = null;
+            if (!string.IsNullOrWhiteSpace(request.SeriesId))
+            {
+                var series = _libraryManager.GetItemById(request.SeriesId);
+
+                if (series != null)
+                {
+                    presentationUniqueKey = series.PresentationUniqueKey;
+                    limit = 1;
+                }
+            }
+
             var items = _libraryManager.GetItemList(new InternalItemsQuery(user)
             {
                 IncludeItemTypes = new[] { typeof(Series).Name },
-                SortOrder = SortOrder.Ascending
+                SortOrder = SortOrder.Ascending,
+                PresentationUniqueKey = presentationUniqueKey,
+                Limit = limit
 
             }, parentsFolders.Select(i => i.Id.ToString("N"))).Cast<Series>();
 
@@ -76,30 +106,30 @@ namespace MediaBrowser.Server.Implementations.TV
             // Avoid implicitly captured closure
             var currentUser = user;
 
-            return FilterSeries(request, series)
+            return series
                 .AsParallel()
                 .Select(i => GetNextUp(i, currentUser))
                 // Include if an episode was found, and either the series is not unwatched or the specific series was requested
                 .Where(i => i.Item1 != null && (!i.Item3 || !string.IsNullOrWhiteSpace(request.SeriesId)))
-                .OrderByDescending(i =>
-                {
-                    var episode = i.Item1;
+                //.OrderByDescending(i =>
+                //{
+                //    var episode = i.Item1;
 
-                    var seriesUserData = _userDataManager.GetUserData(user.Id, episode.Series.GetUserDataKey());
+                //    var seriesUserData = _userDataManager.GetUserData(user, episode.Series);
 
-                    if (seriesUserData.IsFavorite)
-                    {
-                        return 2;
-                    }
+                //    if (seriesUserData.IsFavorite)
+                //    {
+                //        return 2;
+                //    }
 
-                    if (seriesUserData.Likes.HasValue)
-                    {
-                        return seriesUserData.Likes.Value ? 1 : -1;
-                    }
+                //    if (seriesUserData.Likes.HasValue)
+                //    {
+                //        return seriesUserData.Likes.Value ? 1 : -1;
+                //    }
 
-                    return 0;
-                })
-                .ThenByDescending(i => i.Item2)
+                //    return 0;
+                //})
+                .OrderByDescending(i => i.Item2)
                 .ThenByDescending(i => i.Item1.PremiereDate ?? DateTime.MinValue)
                 .Select(i => i.Item1);
         }
@@ -128,7 +158,7 @@ namespace MediaBrowser.Server.Implementations.TV
             // Go back starting with the most recent episodes
             foreach (var episode in allEpisodes)
             {
-                var userData = _userDataManager.GetUserData(user.Id, episode.GetUserDataKey());
+                var userData = _userDataManager.GetUserData(user, episode);
 
                 if (userData.Played)
                 {
@@ -142,7 +172,7 @@ namespace MediaBrowser.Server.Implementations.TV
                 }
                 else
                 {
-                    if (!episode.IsVirtualUnaired && (!episode.IsMissingEpisode || includeMissing))
+                    if (!episode.IsVirtualUnaired && (includeMissing || !episode.IsMissingEpisode))
                     {
                         nextUp = episode;
                     }
@@ -154,24 +184,12 @@ namespace MediaBrowser.Server.Implementations.TV
                 return new Tuple<Episode, DateTime, bool>(nextUp, lastWatchedDate, false);
             }
 
-            var firstEpisode = allEpisodes.LastOrDefault(i => !i.IsVirtualUnaired && (!i.IsMissingEpisode || includeMissing) && !i.IsPlayed(user));
+            var firstEpisode = allEpisodes.LastOrDefault(i => !i.IsVirtualUnaired && (includeMissing || !i.IsMissingEpisode) && !i.IsPlayed(user));
 
             // Return the first episode
             return new Tuple<Episode, DateTime, bool>(firstEpisode, DateTime.MinValue, true);
         }
 
-        private IEnumerable<Series> FilterSeries(NextUpQuery request, IEnumerable<Series> items)
-        {
-            if (!string.IsNullOrWhiteSpace(request.SeriesId))
-            {
-                var id = new Guid(request.SeriesId);
-
-                items = items.Where(i => i.Id == id);
-            }
-
-            return items;
-        }
-
         private QueryResult<BaseItem> GetResult(IEnumerable<BaseItem> items, int? totalRecordLimit, NextUpQuery query)
         {
             var itemsArray = totalRecordLimit.HasValue ? items.Take(totalRecordLimit.Value).ToArray() : items.ToArray();
diff --git a/MediaBrowser.Server.Mono/MediaBrowser.Server.Mono.csproj b/MediaBrowser.Server.Mono/MediaBrowser.Server.Mono.csproj
index 48d2df7ce..b71877e17 100644
--- a/MediaBrowser.Server.Mono/MediaBrowser.Server.Mono.csproj
+++ b/MediaBrowser.Server.Mono/MediaBrowser.Server.Mono.csproj
@@ -76,12 +76,17 @@
     <Reference Include="MediaBrowser.IsoMounting.Linux">
       <HintPath>..\ThirdParty\MediaBrowser.IsoMounting.Linux\MediaBrowser.IsoMounting.Linux.dll</HintPath>
     </Reference>
+    <Reference Include="System.Data" />
+    <Reference Include="System.Data.SQLite">
+      <HintPath>..\ThirdParty\System.Data.SQLite.ManagedOnly\1.0.94.0\System.Data.SQLite.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\SharedVersion.cs">
       <Link>Properties\SharedVersion.cs</Link>
     </Compile>
     <Compile Include="Native\BaseMonoApp.cs" />
+    <Compile Include="Native\SqliteExtensions.cs" />
     <Compile Include="Networking\CertificateGenerator.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
diff --git a/MediaBrowser.Server.Mono/Native/BaseMonoApp.cs b/MediaBrowser.Server.Mono/Native/BaseMonoApp.cs
index fbfef9a34..a012a19a3 100644
--- a/MediaBrowser.Server.Mono/Native/BaseMonoApp.cs
+++ b/MediaBrowser.Server.Mono/Native/BaseMonoApp.cs
@@ -9,6 +9,7 @@ using System.Collections.Generic;
 using System.Reflection;
 using System.Text.RegularExpressions;
 using MediaBrowser.Controller.Power;
+using MediaBrowser.Server.Implementations.Persistence;
 using MediaBrowser.Server.Startup.Common.FFMpeg;
 using OperatingSystem = MediaBrowser.Server.Startup.Common.OperatingSystem;
 
@@ -17,9 +18,12 @@ namespace MediaBrowser.Server.Mono.Native
     public abstract class BaseMonoApp : INativeApp
     {
         protected StartupOptions StartupOptions { get; private set; }
-        protected BaseMonoApp(StartupOptions startupOptions)
+        protected ILogger Logger { get; private set; }
+
+        protected BaseMonoApp(StartupOptions startupOptions, ILogger logger)
         {
             StartupOptions = startupOptions;
+            Logger = logger;
         }
 
         /// <summary>
@@ -227,6 +231,11 @@ namespace MediaBrowser.Server.Mono.Native
             throw new NotImplementedException();
         }
 
+        public IDbConnector GetDbConnector()
+        {
+            return new DbConnector(Logger);
+        }
+
         public static FFMpegInstallInfo GetInfo(NativeEnvironment environment)
         {
             var info = new FFMpegInstallInfo();
diff --git a/MediaBrowser.Server.Mono/Native/NativeApp.cs b/MediaBrowser.Server.Mono/Native/NativeApp.cs
index c73a96497..c0874a1d8 100644
--- a/MediaBrowser.Server.Mono/Native/NativeApp.cs
+++ b/MediaBrowser.Server.Mono/Native/NativeApp.cs
@@ -1,4 +1,5 @@
-using MediaBrowser.Server.Startup.Common;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Server.Startup.Common;
 
 namespace MediaBrowser.Server.Mono.Native
 {
@@ -7,8 +8,8 @@ namespace MediaBrowser.Server.Mono.Native
     /// </summary>
     internal class NativeApp : BaseMonoApp
     {
-        public NativeApp(StartupOptions startupOptions)
-            : base(startupOptions)
+        public NativeApp(StartupOptions startupOptions, ILogger logger)
+            : base(startupOptions, logger)
         {
         }
 
diff --git a/MediaBrowser.Server.Mono/Native/SqliteExtensions.cs b/MediaBrowser.Server.Mono/Native/SqliteExtensions.cs
new file mode 100644
index 000000000..385a7d0c5
--- /dev/null
+++ b/MediaBrowser.Server.Mono/Native/SqliteExtensions.cs
@@ -0,0 +1,62 @@
+using System;
+using System.Data;
+using System.Data.SQLite;
+using System.Threading.Tasks;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Server.Implementations.Persistence;
+
+namespace MediaBrowser.Server.Mono.Native
+{
+    /// <summary>
+    /// Class SQLiteExtensions
+    /// </summary>
+    static class SqliteExtensions
+    {
+        /// <summary>
+        /// Connects to db.
+        /// </summary>
+        /// <param name="dbPath">The db path.</param>
+        /// <param name="logger">The logger.</param>
+        /// <returns>Task{IDbConnection}.</returns>
+        /// <exception cref="System.ArgumentNullException">dbPath</exception>
+        public static async Task<IDbConnection> ConnectToDb(string dbPath, ILogger logger)
+        {
+            if (string.IsNullOrEmpty(dbPath))
+            {
+                throw new ArgumentNullException("dbPath");
+            }
+
+            logger.Info("Sqlite {0} opening {1}", SQLiteConnection.SQLiteVersion, dbPath);
+
+            var connectionstr = new SQLiteConnectionStringBuilder
+            {
+                PageSize = 4096,
+                CacheSize = 2000,
+                SyncMode = SynchronizationModes.Full,
+                DataSource = dbPath,
+                JournalMode = SQLiteJournalModeEnum.Wal
+            };
+
+            var connection = new SQLiteConnection(connectionstr.ConnectionString);
+
+            await connection.OpenAsync().ConfigureAwait(false);
+
+            return connection;
+        }
+    }
+
+    public class DbConnector : IDbConnector
+    {
+        private readonly ILogger _logger;
+
+        public DbConnector(ILogger logger)
+        {
+            _logger = logger;
+        }
+
+        public Task<IDbConnection> Connect(string dbPath)
+        {
+            return SqliteExtensions.ConnectToDb(dbPath, _logger);
+        }
+    }
+}
\ No newline at end of file
diff --git a/MediaBrowser.Server.Mono/Program.cs b/MediaBrowser.Server.Mono/Program.cs
index 2a0609449..32de45242 100644
--- a/MediaBrowser.Server.Mono/Program.cs
+++ b/MediaBrowser.Server.Mono/Program.cs
@@ -79,7 +79,7 @@ namespace MediaBrowser.Server.Mono
             var fileSystem = new ManagedFileSystem(new PatternsLogger(logManager.GetLogger("FileSystem")), false, false);
             fileSystem.AddShortcutHandler(new MbLinkShortcutHandler(fileSystem));
 
-            var nativeApp = new NativeApp(options);
+            var nativeApp = new NativeApp(options, logManager.GetLogger("App"));
 
             _appHost = new ApplicationHost(appPaths, logManager, options, fileSystem, "emby.mono.zip", nativeApp);
 
diff --git a/MediaBrowser.Server.Startup.Common/ApplicationHost.cs b/MediaBrowser.Server.Startup.Common/ApplicationHost.cs
index fd6dee0f6..2d56a1575 100644
--- a/MediaBrowser.Server.Startup.Common/ApplicationHost.cs
+++ b/MediaBrowser.Server.Startup.Common/ApplicationHost.cs
@@ -410,13 +410,16 @@ namespace MediaBrowser.Server.Startup.Common
             UserRepository = await GetUserRepository().ConfigureAwait(false);
             RegisterSingleInstance(UserRepository);
 
-            DisplayPreferencesRepository = new SqliteDisplayPreferencesRepository(LogManager, JsonSerializer, ApplicationPaths);
+            var displayPreferencesRepo = new SqliteDisplayPreferencesRepository(LogManager, JsonSerializer, ApplicationPaths);
+            DisplayPreferencesRepository = displayPreferencesRepo;
             RegisterSingleInstance(DisplayPreferencesRepository);
 
-            ItemRepository = new SqliteItemRepository(ApplicationPaths, JsonSerializer, LogManager);
+            var itemRepo = new SqliteItemRepository(ServerConfigurationManager, JsonSerializer, LogManager);
+            ItemRepository = itemRepo;
             RegisterSingleInstance(ItemRepository);
 
-            ProviderRepository = new SqliteProviderInfoRepository(LogManager, ApplicationPaths);
+            var providerRepo = new SqliteProviderInfoRepository(LogManager, ApplicationPaths);
+            ProviderRepository = providerRepo;
             RegisterSingleInstance(ProviderRepository);
 
             FileOrganizationRepository = await GetFileOrganizationRepository().ConfigureAwait(false);
@@ -541,7 +544,7 @@ namespace MediaBrowser.Server.Startup.Common
             RegisterSingleInstance(NativeApp.GetPowerManagement());
 
             var sharingRepo = new SharingRepository(LogManager, ApplicationPaths);
-            await sharingRepo.Initialize().ConfigureAwait(false);
+            await sharingRepo.Initialize(NativeApp.GetDbConnector()).ConfigureAwait(false);
             RegisterSingleInstance<ISharingManager>(new SharingManager(sharingRepo, ServerConfigurationManager, LibraryManager, this));
 
             RegisterSingleInstance<ISsdpHandler>(new SsdpHandler(LogManager.GetLogger("SsdpHandler"), ServerConfigurationManager, this));
@@ -557,9 +560,11 @@ namespace MediaBrowser.Server.Startup.Common
 
             SubtitleEncoder = new SubtitleEncoder(LibraryManager, LogManager.GetLogger("SubtitleEncoder"), ApplicationPaths, FileSystemManager, MediaEncoder, JsonSerializer, HttpClient, MediaSourceManager);
             RegisterSingleInstance(SubtitleEncoder);
-
-            await ConfigureDisplayPreferencesRepositories().ConfigureAwait(false);
-            await ConfigureItemRepositories().ConfigureAwait(false);
+            
+            await displayPreferencesRepo.Initialize(NativeApp.GetDbConnector()).ConfigureAwait(false);
+            await itemRepo.Initialize(NativeApp.GetDbConnector()).ConfigureAwait(false);
+            await providerRepo.Initialize(NativeApp.GetDbConnector()).ConfigureAwait(false);
+            ((LibraryManager)LibraryManager).ItemRepository = ItemRepository;
             await ConfigureUserDataRepositories().ConfigureAwait(false);
             await ConfigureNotificationsRepository().ConfigureAwait(false);
             progress.Report(100);
@@ -658,7 +663,7 @@ namespace MediaBrowser.Server.Startup.Common
             {
                 var repo = new SqliteUserRepository(LogManager, ApplicationPaths, JsonSerializer);
 
-                await repo.Initialize().ConfigureAwait(false);
+                await repo.Initialize(NativeApp.GetDbConnector()).ConfigureAwait(false);
 
                 return repo;
             }
@@ -677,7 +682,7 @@ namespace MediaBrowser.Server.Startup.Common
         {
             var repo = new SqliteFileOrganizationRepository(LogManager, ServerConfigurationManager.ApplicationPaths);
 
-            await repo.Initialize().ConfigureAwait(false);
+            await repo.Initialize(NativeApp.GetDbConnector()).ConfigureAwait(false);
 
             return repo;
         }
@@ -686,7 +691,7 @@ namespace MediaBrowser.Server.Startup.Common
         {
             var repo = new AuthenticationRepository(LogManager, ServerConfigurationManager.ApplicationPaths);
 
-            await repo.Initialize().ConfigureAwait(false);
+            await repo.Initialize(NativeApp.GetDbConnector()).ConfigureAwait(false);
 
             return repo;
         }
@@ -695,7 +700,7 @@ namespace MediaBrowser.Server.Startup.Common
         {
             var repo = new ActivityRepository(LogManager, ServerConfigurationManager.ApplicationPaths);
 
-            await repo.Initialize().ConfigureAwait(false);
+            await repo.Initialize(NativeApp.GetDbConnector()).ConfigureAwait(false);
 
             return repo;
         }
@@ -704,7 +709,7 @@ namespace MediaBrowser.Server.Startup.Common
         {
             var repo = new SyncRepository(LogManager, JsonSerializer, ServerConfigurationManager.ApplicationPaths);
 
-            await repo.Initialize().ConfigureAwait(false);
+            await repo.Initialize(NativeApp.GetDbConnector()).ConfigureAwait(false);
 
             return repo;
         }
@@ -717,35 +722,13 @@ namespace MediaBrowser.Server.Startup.Common
         {
             var repo = new SqliteNotificationsRepository(LogManager, ApplicationPaths);
 
-            await repo.Initialize().ConfigureAwait(false);
+            await repo.Initialize(NativeApp.GetDbConnector()).ConfigureAwait(false);
 
             NotificationsRepository = repo;
 
             RegisterSingleInstance(NotificationsRepository);
         }
 
-        /// <summary>
-        /// Configures the repositories.
-        /// </summary>
-        /// <returns>Task.</returns>
-        private async Task ConfigureDisplayPreferencesRepositories()
-        {
-            await DisplayPreferencesRepository.Initialize().ConfigureAwait(false);
-        }
-
-        /// <summary>
-        /// Configures the item repositories.
-        /// </summary>
-        /// <returns>Task.</returns>
-        private async Task ConfigureItemRepositories()
-        {
-            await ItemRepository.Initialize().ConfigureAwait(false);
-
-            await ProviderRepository.Initialize().ConfigureAwait(false);
-
-            ((LibraryManager)LibraryManager).ItemRepository = ItemRepository;
-        }
-
         /// <summary>
         /// Configures the user data repositories.
         /// </summary>
@@ -754,7 +737,7 @@ namespace MediaBrowser.Server.Startup.Common
         {
             var repo = new SqliteUserDataRepository(LogManager, ApplicationPaths);
 
-            await repo.Initialize().ConfigureAwait(false);
+            await repo.Initialize(NativeApp.GetDbConnector()).ConfigureAwait(false);
 
             ((UserDataManager)UserDataManager).Repository = repo;
         }
diff --git a/MediaBrowser.Server.Startup.Common/INativeApp.cs b/MediaBrowser.Server.Startup.Common/INativeApp.cs
index c0758b47f..c13d3624e 100644
--- a/MediaBrowser.Server.Startup.Common/INativeApp.cs
+++ b/MediaBrowser.Server.Startup.Common/INativeApp.cs
@@ -3,6 +3,7 @@ using MediaBrowser.Model.Logging;
 using System.Collections.Generic;
 using System.Reflection;
 using MediaBrowser.Controller.Power;
+using MediaBrowser.Server.Implementations.Persistence;
 using MediaBrowser.Server.Startup.Common.FFMpeg;
 
 namespace MediaBrowser.Server.Startup.Common
@@ -104,5 +105,7 @@ namespace MediaBrowser.Server.Startup.Common
         FFMpegInstallInfo GetFfmpegInstallInfo();
 
         void LaunchUrl(string url);
+
+        IDbConnector GetDbConnector();
     }
 }
diff --git a/MediaBrowser.ServerApplication/MediaBrowser.ServerApplication.csproj b/MediaBrowser.ServerApplication/MediaBrowser.ServerApplication.csproj
index 291e63dac..f544a149d 100644
--- a/MediaBrowser.ServerApplication/MediaBrowser.ServerApplication.csproj
+++ b/MediaBrowser.ServerApplication/MediaBrowser.ServerApplication.csproj
@@ -13,6 +13,8 @@
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <TargetFrameworkProfile />
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -81,9 +83,9 @@
     <Reference Include="System.Configuration" />
     <Reference Include="System.Configuration.Install" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Data.SQLite, Version=1.0.94.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\System.Data.SQLite.Core.1.0.94.0\lib\net45\System.Data.SQLite.dll</HintPath>
+    <Reference Include="System.Data.SQLite, Version=1.0.101.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Data.SQLite.Core.1.0.101.0\lib\net46\System.Data.SQLite.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Drawing" />
     <Reference Include="System.ServiceProcess" />
@@ -112,6 +114,7 @@
     </Compile>
     <Compile Include="MainStartup.cs" />
     <Compile Include="Native\LnkShortcutHandler.cs" />
+    <Compile Include="Native\SqliteExtensions.cs" />
     <Compile Include="Native\Standby.cs" />
     <Compile Include="Native\ServerAuthorization.cs" />
     <Compile Include="Native\WindowsApp.cs" />
@@ -156,14 +159,6 @@
     </EmbeddedResource>
   </ItemGroup>
   <ItemGroup>
-    <Content Include="..\packages\System.Data.SQLite.Core.1.0.94.0\build\net45\x64\SQLite.Interop.dll">
-      <Link>x64\SQLite.Interop.dll</Link>
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </Content>
-    <Content Include="..\packages\System.Data.SQLite.Core.1.0.94.0\build\net45\x86\SQLite.Interop.dll">
-      <Link>x86\SQLite.Interop.dll</Link>
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </Content>
     <Content Include="..\Tools\Installation\MediaBrowser.InstallUtil.dll">
       <Link>MediaBrowser.InstallUtil.dll</Link>
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
@@ -1116,6 +1111,13 @@
     <PostBuildEvent>
     </PostBuildEvent>
   </PropertyGroup>
+  <Import Project="..\packages\System.Data.SQLite.Core.1.0.101.0\build\net46\System.Data.SQLite.Core.targets" Condition="Exists('..\packages\System.Data.SQLite.Core.1.0.101.0\build\net46\System.Data.SQLite.Core.targets')" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\System.Data.SQLite.Core.1.0.101.0\build\net46\System.Data.SQLite.Core.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\System.Data.SQLite.Core.1.0.101.0\build\net46\System.Data.SQLite.Core.targets'))" />
+  </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
@@ -1123,5 +1125,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-  <Import Project="..\packages\System.Data.SQLite.Core.1.0.94.0\build\net45\System.Data.SQLite.Core.targets" Condition="Exists('..\packages\System.Data.SQLite.Core.1.0.94.0\build\net45\System.Data.SQLite.Core.targets')" />
 </Project>
\ No newline at end of file
diff --git a/MediaBrowser.ServerApplication/Native/SqliteExtensions.cs b/MediaBrowser.ServerApplication/Native/SqliteExtensions.cs
new file mode 100644
index 000000000..1cde2ea13
--- /dev/null
+++ b/MediaBrowser.ServerApplication/Native/SqliteExtensions.cs
@@ -0,0 +1,62 @@
+using System;
+using System.Data;
+using System.Data.SQLite;
+using System.Threading.Tasks;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Server.Implementations.Persistence;
+
+namespace MediaBrowser.ServerApplication.Native
+{
+    /// <summary>
+    /// Class SQLiteExtensions
+    /// </summary>
+    static class SqliteExtensions
+    {
+        /// <summary>
+        /// Connects to db.
+        /// </summary>
+        /// <param name="dbPath">The db path.</param>
+        /// <param name="logger">The logger.</param>
+        /// <returns>Task{IDbConnection}.</returns>
+        /// <exception cref="System.ArgumentNullException">dbPath</exception>
+        public static async Task<IDbConnection> ConnectToDb(string dbPath, ILogger logger)
+        {
+            if (string.IsNullOrEmpty(dbPath))
+            {
+                throw new ArgumentNullException("dbPath");
+            }
+
+            logger.Info("Sqlite {0} opening {1}", SQLiteConnection.SQLiteVersion, dbPath);
+
+            var connectionstr = new SQLiteConnectionStringBuilder
+            {
+                PageSize = 4096,
+                CacheSize = 2000,
+                SyncMode = SynchronizationModes.Full,
+                DataSource = dbPath,
+                JournalMode = SQLiteJournalModeEnum.Wal
+            };
+
+            var connection = new SQLiteConnection(connectionstr.ConnectionString);
+
+            await connection.OpenAsync().ConfigureAwait(false);
+
+            return connection;
+        }
+    }
+
+    public class DbConnector : IDbConnector
+    {
+        private readonly ILogger _logger;
+
+        public DbConnector(ILogger logger)
+        {
+            _logger = logger;
+        }
+
+        public Task<IDbConnection> Connect(string dbPath)
+        {
+            return SqliteExtensions.ConnectToDb(dbPath, _logger);
+        }
+    }
+}
\ No newline at end of file
diff --git a/MediaBrowser.ServerApplication/Native/WindowsApp.cs b/MediaBrowser.ServerApplication/Native/WindowsApp.cs
index 10cd59436..808c7558e 100644
--- a/MediaBrowser.ServerApplication/Native/WindowsApp.cs
+++ b/MediaBrowser.ServerApplication/Native/WindowsApp.cs
@@ -10,6 +10,7 @@ using System.Reflection;
 using System.Windows.Forms;
 using CommonIO;
 using MediaBrowser.Controller.Power;
+using MediaBrowser.Server.Implementations.Persistence;
 using MediaBrowser.Server.Startup.Common.FFMpeg;
 using OperatingSystem = MediaBrowser.Server.Startup.Common.OperatingSystem;
 
@@ -191,6 +192,11 @@ namespace MediaBrowser.ServerApplication.Native
             }
         }
 
+        public IDbConnector GetDbConnector()
+        {
+            return new DbConnector(_logger);
+        }
+
         /// <summary>
         /// Processes the exited.
         /// </summary>
diff --git a/MediaBrowser.ServerApplication/packages.config b/MediaBrowser.ServerApplication/packages.config
index 1c86a02ae..2d4baae25 100644
--- a/MediaBrowser.ServerApplication/packages.config
+++ b/MediaBrowser.ServerApplication/packages.config
@@ -3,5 +3,5 @@
   <package id="CommonIO" version="1.0.0.9" targetFramework="net45" />
   <package id="ImageMagickSharp" version="1.0.0.18" targetFramework="net45" />
   <package id="Patterns.Logging" version="1.0.0.2" targetFramework="net45" />
-  <package id="System.Data.SQLite.Core" version="1.0.94.0" targetFramework="net45" requireReinstallation="true" />
+  <package id="System.Data.SQLite.Core" version="1.0.101.0" targetFramework="net46" />
 </packages>
\ No newline at end of file
diff --git a/MediaBrowser.XbmcMetadata/Savers/BaseNfoSaver.cs b/MediaBrowser.XbmcMetadata/Savers/BaseNfoSaver.cs
index 6d15d168d..d2e09d4eb 100644
--- a/MediaBrowser.XbmcMetadata/Savers/BaseNfoSaver.cs
+++ b/MediaBrowser.XbmcMetadata/Savers/BaseNfoSaver.cs
@@ -936,7 +936,7 @@ namespace MediaBrowser.XbmcMetadata.Savers
                 return;
             }
 
-            var userdata = userDataRepo.GetUserData(user.Id, item.GetUserDataKey());
+            var userdata = userDataRepo.GetUserData(user, item);
 
             writer.WriteElementString("isuserfavorite", userdata.IsFavorite.ToString().ToLower());
 
diff --git a/SharedVersion.cs b/SharedVersion.cs
index 2369b6a48..6b1c9e6bb 100644
--- a/SharedVersion.cs
+++ b/SharedVersion.cs
@@ -1,4 +1,4 @@
 using System.Reflection;
 
-//[assembly: AssemblyVersion("3.0.*")]
-[assembly: AssemblyVersion("3.0.5947")]
+[assembly: AssemblyVersion("3.0.*")]
+//[assembly: AssemblyVersion("3.0.5930")]