diff --git a/MediaBrowser.Api/UserLibrary/BaseItemsRequest.cs b/MediaBrowser.Api/UserLibrary/BaseItemsRequest.cs
index a69fedf25..2e3b84e8d 100644
--- a/MediaBrowser.Api/UserLibrary/BaseItemsRequest.cs
+++ b/MediaBrowser.Api/UserLibrary/BaseItemsRequest.cs
@@ -48,7 +48,7 @@ namespace MediaBrowser.Api.UserLibrary
         /// Fields to return within the items, in addition to basic information
         /// </summary>
         /// <value>The fields.</value>
-        [ApiMember(Name = "Fields", Description = "Optional. Specify additional fields of information to return in the output. This allows multiple, comma delimeted. Options: AudioInfo, Budget, Chapters, DateCreated, DisplayMediaType, DisplayPreferences, EndDate, Genres, HomePageUrl, ItemCounts, IndexOptions, Locations, MediaStreams, Overview, OverviewHtml, ParentId, Path, People, ProviderIds, PrimaryImageAspectRatio, Revenue, SeriesInfo, SortName, Studios, Taglines, TrailerUrls, UserData", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET", AllowMultiple = true)]
+        [ApiMember(Name = "Fields", Description = "Optional. Specify additional fields of information to return in the output. This allows multiple, comma delimeted. Options: AudioInfo, Budget, Chapters, CriticRatingSummary, DateCreated, DisplayMediaType, EndDate, Genres, HomePageUrl, ItemCounts, IndexOptions, Locations, MediaStreams, Overview, OverviewHtml, ParentId, Path, People, ProviderIds, PrimaryImageAspectRatio, Revenue, SeriesInfo, SortName, Studios, Taglines, TrailerUrls, UserData", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET", AllowMultiple = true)]
         public string Fields { get; set; }
 
         /// <summary>
diff --git a/MediaBrowser.Api/UserLibrary/ItemsService.cs b/MediaBrowser.Api/UserLibrary/ItemsService.cs
index 45bf17397..af4f94f50 100644
--- a/MediaBrowser.Api/UserLibrary/ItemsService.cs
+++ b/MediaBrowser.Api/UserLibrary/ItemsService.cs
@@ -41,7 +41,7 @@ namespace MediaBrowser.Api.UserLibrary
         /// What to sort the results by
         /// </summary>
         /// <value>The sort by.</value>
-        [ApiMember(Name = "SortBy", Description = "Optional. Specify one or more sort orders, comma delimeted. Options: Album, AlbumArtist, Artist, Budget, CommunityRating, DateCreated, DatePlayed, PlayCount, PremiereDate, ProductionYear, SortName, Random, Revenue, Runtime", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET", AllowMultiple = true)]
+        [ApiMember(Name = "SortBy", Description = "Optional. Specify one or more sort orders, comma delimeted. Options: Album, AlbumArtist, Artist, Budget, CommunityRating, CriticRating, DateCreated, DatePlayed, PlayCount, PremiereDate, ProductionYear, SortName, Random, Revenue, Runtime", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET", AllowMultiple = true)]
         public string SortBy { get; set; }
 
         /// <summary>
diff --git a/MediaBrowser.Controller/Dto/DtoBuilder.cs b/MediaBrowser.Controller/Dto/DtoBuilder.cs
index 803e198bf..3a2412aeb 100644
--- a/MediaBrowser.Controller/Dto/DtoBuilder.cs
+++ b/MediaBrowser.Controller/Dto/DtoBuilder.cs
@@ -312,6 +312,12 @@ namespace MediaBrowser.Controller.Dto
             dto.Language = item.Language;
             dto.MediaType = item.MediaType;
             dto.LocationType = item.LocationType;
+            dto.CriticRating = item.CriticRating;
+
+            if (fields.Contains(ItemFields.CriticRatingSummary))
+            {
+                dto.CriticRatingSummary = item.CriticRatingSummary;
+            }
 
             var localTrailerCount = item.LocalTrailers == null ? 0 : item.LocalTrailers.Count;
 
diff --git a/MediaBrowser.Controller/Providers/Movies/RottenTomatoesMovieProvider.cs b/MediaBrowser.Controller/Providers/Movies/RottenTomatoesMovieProvider.cs
index d6f66fa4f..c8b3e988a 100644
--- a/MediaBrowser.Controller/Providers/Movies/RottenTomatoesMovieProvider.cs
+++ b/MediaBrowser.Controller/Providers/Movies/RottenTomatoesMovieProvider.cs
@@ -7,11 +7,10 @@ using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Logging;
 using MediaBrowser.Model.Serialization;
 using System;
-using System.Threading;
-using System.Threading.Tasks;
-using System.IO;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
 
 namespace MediaBrowser.Controller.Providers.Movies
 {
@@ -35,7 +34,7 @@ namespace MediaBrowser.Controller.Providers.Movies
         /// <summary>
         /// The _rotten tomatoes resource pool
         /// </summary>
-        private readonly SemaphoreSlim _rottenTomatoesResourcePool = new SemaphoreSlim(3, 3);
+        private readonly SemaphoreSlim _rottenTomatoesResourcePool = new SemaphoreSlim(1, 1);
 
         /// <summary>
         /// Gets the json serializer.
@@ -71,7 +70,7 @@ namespace MediaBrowser.Controller.Providers.Movies
         {
             get
             {
-                return "2";
+                return "4";
             }
         }
 
@@ -251,7 +250,8 @@ namespace MediaBrowser.Controller.Providers.Movies
                         Publisher = rtReview.publication,
                         Date = DateTime.Parse(rtReview.date).ToUniversalTime(),
                         Caption = rtReview.quote,
-                        Url = rtReview.links.review
+                        Url = rtReview.links.review,
+                        Likes = string.Equals(rtReview.freshness, "fresh", StringComparison.OrdinalIgnoreCase)
 
                     }).ToList();
 
diff --git a/MediaBrowser.Model/DTO/BaseItemDto.cs b/MediaBrowser.Model/DTO/BaseItemDto.cs
index 2e54f3311..e8f389940 100644
--- a/MediaBrowser.Model/DTO/BaseItemDto.cs
+++ b/MediaBrowser.Model/DTO/BaseItemDto.cs
@@ -42,6 +42,18 @@ namespace MediaBrowser.Model.Dto
         /// <value>The premiere date.</value>
         public DateTime? PremiereDate { get; set; }
 
+        /// <summary>
+        /// Gets or sets the critic rating.
+        /// </summary>
+        /// <value>The critic rating.</value>
+        public float? CriticRating { get; set; }
+
+        /// <summary>
+        /// Gets or sets the critic rating summary.
+        /// </summary>
+        /// <value>The critic rating summary.</value>
+        public string CriticRatingSummary { get; set; }
+        
         /// <summary>
         /// Gets or sets the path.
         /// </summary>
diff --git a/MediaBrowser.Model/Entities/ItemReview.cs b/MediaBrowser.Model/Entities/ItemReview.cs
index fcd4c1c2b..3b496cce8 100644
--- a/MediaBrowser.Model/Entities/ItemReview.cs
+++ b/MediaBrowser.Model/Entities/ItemReview.cs
@@ -29,7 +29,13 @@ namespace MediaBrowser.Model.Entities
         /// Gets or sets the score.
         /// </summary>
         /// <value>The score.</value>
-        public float Score { get; set; }
+        public float? Score { get; set; }
+
+        /// <summary>
+        /// Gets or sets a value indicating whether this <see cref="ItemReview"/> is likes.
+        /// </summary>
+        /// <value><c>null</c> if [likes] contains no value, <c>true</c> if [likes]; otherwise, <c>false</c>.</value>
+        public bool? Likes { get; set; }
 
         /// <summary>
         /// Gets or sets the URL.
diff --git a/MediaBrowser.Model/Querying/ItemFields.cs b/MediaBrowser.Model/Querying/ItemFields.cs
index 81ccf54a1..2e6e6b7dc 100644
--- a/MediaBrowser.Model/Querying/ItemFields.cs
+++ b/MediaBrowser.Model/Querying/ItemFields.cs
@@ -21,6 +21,11 @@ namespace MediaBrowser.Model.Querying
         /// </summary>
         Chapters,
 
+        /// <summary>
+        /// The critic rating summary
+        /// </summary>
+        CriticRatingSummary,
+
         /// <summary>
         /// The date created of the item
         /// </summary>
diff --git a/MediaBrowser.Model/Querying/ItemSortBy.cs b/MediaBrowser.Model/Querying/ItemSortBy.cs
index fdd920ad3..c47993d38 100644
--- a/MediaBrowser.Model/Querying/ItemSortBy.cs
+++ b/MediaBrowser.Model/Querying/ItemSortBy.cs
@@ -62,5 +62,10 @@ namespace MediaBrowser.Model.Querying
         /// The play count
         /// </summary>
         public const string PlayCount = "PlayCount";
+        /// <summary>
+        /// The critic rating
+        /// </summary>
+        public const string CriticRating = "CriticRating";
+
     }
 }
diff --git a/MediaBrowser.Server.Implementations/MediaBrowser.Server.Implementations.csproj b/MediaBrowser.Server.Implementations/MediaBrowser.Server.Implementations.csproj
index 4b614454b..97f033731 100644
--- a/MediaBrowser.Server.Implementations/MediaBrowser.Server.Implementations.csproj
+++ b/MediaBrowser.Server.Implementations/MediaBrowser.Server.Implementations.csproj
@@ -161,6 +161,7 @@
     <Compile Include="Sorting\ArtistComparer.cs" />
     <Compile Include="Sorting\BudgetComparer.cs" />
     <Compile Include="Sorting\CommunityRatingComparer.cs" />
+    <Compile Include="Sorting\CriticRatingComparer.cs" />
     <Compile Include="Sorting\DateCreatedComparer.cs" />
     <Compile Include="Sorting\DatePlayedComparer.cs" />
     <Compile Include="Sorting\PlayCountComparer.cs" />
diff --git a/MediaBrowser.Server.Implementations/Sorting/CriticRatingComparer.cs b/MediaBrowser.Server.Implementations/Sorting/CriticRatingComparer.cs
new file mode 100644
index 000000000..358e06f3b
--- /dev/null
+++ b/MediaBrowser.Server.Implementations/Sorting/CriticRatingComparer.cs
@@ -0,0 +1,32 @@
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Sorting;
+using MediaBrowser.Model.Querying;
+
+namespace MediaBrowser.Server.Implementations.Sorting
+{
+    /// <summary>
+    /// Class CriticRatingComparer
+    /// </summary>
+    public class CriticRatingComparer : IBaseItemComparer
+    {
+        /// <summary>
+        /// Compares the specified x.
+        /// </summary>
+        /// <param name="x">The x.</param>
+        /// <param name="y">The y.</param>
+        /// <returns>System.Int32.</returns>
+        public int Compare(BaseItem x, BaseItem y)
+        {
+            return (x.CriticRating ?? 0).CompareTo(y.CriticRating ?? 0);
+        }
+
+        /// <summary>
+        /// Gets the name.
+        /// </summary>
+        /// <value>The name.</value>
+        public string Name
+        {
+            get { return ItemSortBy.CriticRating; }
+        }
+    }
+}