4 files changed, 84 insertions, 39 deletions
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/TV/Episode.cs b/MediaBrowser.Controller/Entities/TV/Episode.cs
index 3ad6170a5..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;
             }
         }
 
@@ -316,6 +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 ebd22c6c4..1f443071c 100644
--- a/MediaBrowser.Controller/Entities/TV/Season.cs
+++ b/MediaBrowser.Controller/Entities/TV/Season.cs
@@ -92,6 +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>
@@ -169,16 +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 c062b5fba..abca6a643 100644
--- a/MediaBrowser.Controller/Entities/TV/Series.cs
+++ b/MediaBrowser.Controller/Entities/TV/Series.cs
@@ -94,7 +94,7 @@ namespace MediaBrowser.Controller.Entities.TV
         [IgnoreDataMember]
         public override string PresentationUniqueKey
         {
-            get { return GetUserDataKey(); }
+            get { return GetUserDataKeys().First(); }
         }
 
         /// <summary>
@@ -191,8 +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)
             {
@@ -210,9 +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)
@@ -321,18 +339,31 @@ 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;
 
-            episodes = FilterEpisodesBySeason(episodes, seasonNumber, DisplaySpecialsWithSeasons);
+            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 }
 
-            episodes = episodes.Concat(additionalEpisodes).Distinct();
+                }).OfType<Episode>();
+            }
+            else
+            {
+                episodes = GetRecursiveChildren(user, i => i is Episode)
+                    .Cast<Episode>();
+            }
+
+            episodes = FilterEpisodesBySeason(episodes, seasonNumber, DisplaySpecialsWithSeasons);
 
             if (!includeMissingEpisodes)
             {
@@ -360,7 +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 =>