Fixed: Duplicate scene titles causes unnecessary indexer queries.

fixes #2068

src/NzbDrone.Core/IndexerSearch/Definitions/SearchCriteriaBase.cs

@@ -19,7 +19,7 @@ namespace NzbDrone.Core.IndexerSearch.Definitions
         public virtual bool MonitoredEpisodesOnly { get; set; }
         public virtual bool UserInvokedSearch { get; set; }
 
-        public List<string> QueryTitles => SceneTitles.Select(GetQueryTitle).ToList();
+        public List<string> QueryTitles => SceneTitles.Select(GetQueryTitle).Distinct().ToList();
 
         public static string GetQueryTitle(string title)
         {

src/NzbDrone.Core/IndexerSearch/NzbSearchService.cs

@@ -237,9 +237,12 @@ namespace NzbDrone.Core.IndexerSearch
                                                            episodes.Select(e => e.SeasonNumber).Distinct().ToList(),
                                                            episodes.Select(e => e.SceneSeasonNumber ?? e.SeasonNumber).Distinct().ToList());
 
-            spec.Episodes = episodes;
+            if (!spec.SceneTitles.Contains(series.Title))
+            {
+                spec.SceneTitles.Add(series.Title);
+            }
 
-            spec.SceneTitles.Add(series.Title);
+            spec.Episodes = episodes;
             spec.UserInvokedSearch = userInvokedSearch;
 
             return spec;