Fixed: Now assuming that an Ended series without any airdates are direct-to-dvd.

src/NzbDrone.Core.Test/TvTests/RefreshEpisodeServiceFixture.cs

@@ -306,5 +306,30 @@ namespace NzbDrone.Core.Test.TvTests
             _insertedEpisodes.Should().HaveCount(episodes.Count);
 
         }
+
+        [Test]
+        public void should_override_empty_airdate_for_direct_to_dvd()
+        {
+            var series = GetSeries();
+            series.Status = SeriesStatusType.Ended;
+
+            var episodes = Builder<Episode>.CreateListOfSize(10)
+                                           .All()
+                                           .With(v => v.AirDateUtc = null)
+                                           .BuildListOfNew();
+
+            Mocker.GetMock<IEpisodeService>().Setup(c => c.GetEpisodeBySeries(It.IsAny<Int32>()))
+                .Returns(new List<Episode>());
+
+            List<Episode> updateEpisodes = null;
+            Mocker.GetMock<IEpisodeService>().Setup(c => c.InsertMany(It.IsAny<List<Episode>>()))
+                .Callback<List<Episode>>(c => updateEpisodes = c);
+
+            Subject.RefreshEpisodeInfo(series, episodes);
+
+            updateEpisodes.Should().NotBeNull();
+            updateEpisodes.Should().NotBeEmpty();
+            updateEpisodes.All(v => v.AirDateUtc.HasValue).Should().BeTrue();
+        }
     }
 }

src/NzbDrone.Core/Tv/RefreshEpisodeService.cs

@@ -47,7 +47,7 @@ namespace NzbDrone.Core.Tv
                 dupeFreeRemoteEpisodes = MapAbsoluteEpisodeNumbers(series, dupeFreeRemoteEpisodes);
             }
 
-            foreach (var episode in OrderEpsiodes(series, dupeFreeRemoteEpisodes))
+            foreach (var episode in OrderEpisodes(series, dupeFreeRemoteEpisodes))
             {
                 try
                 {
@@ -90,6 +90,7 @@ namespace NzbDrone.Core.Tv
             allEpisodes.AddRange(updateList);
 
             AdjustMultiEpisodeAirTime(series, allEpisodes);
+            AdjustDirectToDvdAirDate(series, allEpisodes);
 
             _episodeService.DeleteMany(existingEpisodes);
             _episodeService.UpdateMany(updateList);
@@ -151,6 +152,18 @@ namespace NzbDrone.Core.Tv
             }
         }
 
+        private static void AdjustDirectToDvdAirDate(Series series, IEnumerable<Episode> allEpisodes)
+        {
+            if (series.Status == SeriesStatusType.Ended && allEpisodes.All(v => !v.AirDateUtc.HasValue) && series.FirstAired.HasValue)
+            {
+                foreach (var episode in allEpisodes)
+                {
+                    episode.AirDateUtc = series.FirstAired;
+                    episode.AirDate = series.FirstAired.Value.ToString("yyyy-MM-dd");
+                }
+            }
+        }
+
         private List<Episode> MapAbsoluteEpisodeNumbers(Series series, List<Episode> traktEpisodes)
         {
             var tvdbEpisodes = _tvdbProxy.GetEpisodeInfo(series.TvdbId);
@@ -192,7 +205,7 @@ namespace NzbDrone.Core.Tv
             return existingEpisodes.FirstOrDefault(e => e.SeasonNumber == episode.SeasonNumber && e.EpisodeNumber == episode.EpisodeNumber);
         }
 
-        private IEnumerable<Episode> OrderEpsiodes(Series series, List<Episode> episodes)
+        private IEnumerable<Episode> OrderEpisodes(Series series, List<Episode> episodes)
         {
             if (series.SeriesType == SeriesTypes.Anime)
             {