diff --git a/MediaBrowser.Controller/Entities/InternalItemsQuery.cs b/MediaBrowser.Controller/Entities/InternalItemsQuery.cs
index d50f5b5255..e193a9dadd 100644
--- a/MediaBrowser.Controller/Entities/InternalItemsQuery.cs
+++ b/MediaBrowser.Controller/Entities/InternalItemsQuery.cs
@@ -143,6 +143,7 @@ namespace MediaBrowser.Controller.Entities
         public bool EnableTotalRecordCount { get; set; }
         public bool ForceDirect { get; set; }
         public Dictionary<string, string> ExcludeProviderIds { get; set; }
+        public string GroupByAncestorOfType { get; set; }
 
         public InternalItemsQuery()
         {
diff --git a/MediaBrowser.Model/Querying/ItemSortBy.cs b/MediaBrowser.Model/Querying/ItemSortBy.cs
index 9c2926b542..6f4ebd0c50 100644
--- a/MediaBrowser.Model/Querying/ItemSortBy.cs
+++ b/MediaBrowser.Model/Querying/ItemSortBy.cs
@@ -85,5 +85,6 @@ namespace MediaBrowser.Model.Querying
         public const string GameSystem = "GameSystem";
         public const string IsFavoriteOrLiked = "IsFavoriteOrLiked";
         public const string DateLastContentAdded = "DateLastContentAdded";
+        public const string SeriesDatePlayed = "SeriesDatePlayed";
     }
 }
diff --git a/MediaBrowser.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs b/MediaBrowser.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
index 07affb865c..010ee80ff6 100644
--- a/MediaBrowser.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
+++ b/MediaBrowser.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
@@ -9,6 +9,7 @@ using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using Emby.XmlTv.Classes;
+using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Model.Logging;
@@ -68,6 +69,8 @@ namespace MediaBrowser.Server.Implementations.LiveTv.Listings
                 Progress = new Progress<Double>()
 
             }).ConfigureAwait(false);
+
+            Directory.CreateDirectory(Path.GetDirectoryName(cacheFile));
             File.Copy(tempFile, cacheFile, true);
 
             return cacheFile;
@@ -103,7 +106,8 @@ namespace MediaBrowser.Server.Implementations.LiveTv.Listings
                 ImageUrl = p.Icon != null && !String.IsNullOrEmpty(p.Icon.Source) ? p.Icon.Source : null,
                 HasImage = p.Icon != null && !String.IsNullOrEmpty(p.Icon.Source),
                 OfficialRating = p.Rating != null && !String.IsNullOrEmpty(p.Rating.Value) ? p.Rating.Value : null,
-                CommunityRating = p.StarRating.HasValue ? p.StarRating.Value : (float?)null
+                CommunityRating = p.StarRating.HasValue ? p.StarRating.Value : (float?)null,
+                SeriesId = p.IsSeries ? p.Title.GetMD5().ToString("N") : null
             });
         }
 
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
index d04dc57283..02f5483c5a 100644
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
@@ -1698,10 +1698,10 @@ namespace MediaBrowser.Server.Implementations.Persistence
         {
             var groups = new List<string>();
 
-            //if (!string.IsNullOrWhiteSpace(query.GroupByAncestorOfType))
-            //{
-            //    groups.Add("(Select PresentationUniqueKey from TypedBaseItems B where B.Type = 'MediaBrowser.Controller.Entities.TV.Series' And B.Guid in (Select AncestorId from AncestorIds where ItemId=A.Guid))");
-            //}
+            if (!string.IsNullOrWhiteSpace(query.GroupByAncestorOfType))
+            {
+                groups.Add("(Select PresentationUniqueKey from TypedBaseItems B where B.Type = 'MediaBrowser.Controller.Entities.TV.Series' And B.Guid in (Select AncestorId from AncestorIds where ItemId=A.Guid))");
+            }
 
             if (EnableGroupByPresentationUniqueKey(query))
             {
@@ -1926,7 +1926,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
             return " ORDER BY " + string.Join(",", query.SortBy.Select(i =>
             {
-                var columnMap = MapOrderByField(i);
+                var columnMap = MapOrderByField(i, query);
                 var columnAscending = isAscending;
                 if (columnMap.Item2)
                 {
@@ -1939,7 +1939,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
             }).ToArray());
         }
 
-        private Tuple<string, bool> MapOrderByField(string name)
+        private Tuple<string, bool> MapOrderByField(string name, InternalItemsQuery query)
         {
             if (string.Equals(name, ItemSortBy.AirTime, StringComparison.OrdinalIgnoreCase))
             {
@@ -1998,6 +1998,10 @@ namespace MediaBrowser.Server.Implementations.Persistence
             {
                 return new Tuple<string, bool>("(select value from itemvalues where ItemId=Guid and Type=3 LIMIT 1)", false);
             }
+            if (string.Equals(name, ItemSortBy.SeriesDatePlayed, StringComparison.OrdinalIgnoreCase))
+            {
+                return new Tuple<string, bool>("(Select MAX(LastPlayedDate) from TypedBaseItems B"+ GetJoinUserDataText(query) + " where B.Guid in (Select ItemId from AncestorIds where AncestorId in (select guid from typedbaseitems c where C.Type = 'MediaBrowser.Controller.Entities.TV.Series' And C.Guid in (Select AncestorId from AncestorIds where ItemId=A.Guid))))", false);
+            }
 
             return new Tuple<string, bool>(name, false);
         }