diff --git a/Emby.Server.Implementations/TV/TVSeriesManager.cs b/Emby.Server.Implementations/TV/TVSeriesManager.cs
index 21c12ae79f..552c9d1c1a 100644
--- a/Emby.Server.Implementations/TV/TVSeriesManager.cs
+++ b/Emby.Server.Implementations/TV/TVSeriesManager.cs
@@ -117,23 +117,19 @@ namespace Emby.Server.Implementations.TV
                 limit = limit.Value + 10;
             }
 
-            var items = _libraryManager.GetItemList(new InternalItemsQuery(user)
-            {
-                IncludeItemTypes = new[] { typeof(Episode).Name },
-                OrderBy = new[] { new ValueTuple<string, SortOrder>(ItemSortBy.DatePlayed, SortOrder.Descending) },
-                SeriesPresentationUniqueKey = presentationUniqueKey,
-                Limit = limit,
-                DtoOptions = new DtoOptions
+            var items = _libraryManager
+                .GetItemList(new InternalItemsQuery(user)
                 {
-                    Fields = new ItemFields[]
-                    {
-                        ItemFields.SeriesPresentationUniqueKey
-                    },
-                    EnableImages = false
-                },
-                GroupBySeriesPresentationUniqueKey = true
-
-            }, parentsFolders.ToList()).Cast<Episode>().Select(GetUniqueSeriesKey);
+                    IncludeItemTypes = new[] {typeof(Episode).Name},
+                    OrderBy = new[] {new ValueTuple<string, SortOrder>(ItemSortBy.DatePlayed, SortOrder.Descending)},
+                    SeriesPresentationUniqueKey = presentationUniqueKey,
+                    Limit = limit,
+                    DtoOptions = new DtoOptions {Fields = new ItemFields[] {ItemFields.SeriesPresentationUniqueKey}, EnableImages = false},
+                    GroupBySeriesPresentationUniqueKey = true
+                }, parentsFolders.ToList())
+                .Cast<Episode>()
+                .Where(episode => !string.IsNullOrEmpty(episode.SeriesPresentationUniqueKey))
+                .Select(GetUniqueSeriesKey);
 
             // Avoid implicitly captured closure
             var episodes = GetNextUpEpisodes(request, user, items, dtoOptions);