use tvdb updates for virtual episodes

MediaBrowser.Providers/TV/RemoteEpisodeProvider.cs

@@ -118,12 +118,18 @@ namespace MediaBrowser.Providers.TV
         /// <param name="providerInfo">The provider info.</param>
         /// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
         protected override bool NeedsRefreshInternal(BaseItem item, BaseProviderInfo providerInfo)
+        {
+            var locationType = item.LocationType;
+
+            // Always use tvdb updates for non-file system episodes
+            if (locationType != LocationType.Remote && locationType != LocationType.Virtual)
             {
                 // Don't proceed if there's local metadata
                 if (!ConfigurationManager.Configuration.EnableTvDbUpdates && HasLocalMeta(item))
                 {
                     return false;
                 }
+            }
 
             return base.NeedsRefreshInternal(item, providerInfo);
         }