diff --git a/src/NzbDrone.Core.Test/DecisionEngineTests/DownloadDecisionMakerFixture.cs b/src/NzbDrone.Core.Test/DecisionEngineTests/DownloadDecisionMakerFixture.cs
index dcef16654..f195a2c99 100644
--- a/src/NzbDrone.Core.Test/DecisionEngineTests/DownloadDecisionMakerFixture.cs
+++ b/src/NzbDrone.Core.Test/DecisionEngineTests/DownloadDecisionMakerFixture.cs
@@ -64,7 +64,7 @@ namespace NzbDrone.Core.Test.DecisionEngineTests
             };
 
             Mocker.GetMock<IParsingService>()
-                  .Setup(c => c.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<SearchCriteriaBase>()))
+                  .Setup(c => c.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<string>(), It.IsAny<SearchCriteriaBase>()))
                   .Returns(_remoteEpisode);
         }
 
@@ -154,7 +154,7 @@ namespace NzbDrone.Core.Test.DecisionEngineTests
 
             Subject.GetRssDecision(_reports).ToList();
 
-            Mocker.GetMock<IParsingService>().Verify(c => c.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<SearchCriteriaBase>()), Times.Never());
+            Mocker.GetMock<IParsingService>().Verify(c => c.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<string>(), It.IsAny<SearchCriteriaBase>()), Times.Never());
 
             _pass1.Verify(c => c.IsSatisfiedBy(It.IsAny<RemoteEpisode>(), null), Times.Never());
             _pass2.Verify(c => c.IsSatisfiedBy(It.IsAny<RemoteEpisode>(), null), Times.Never());
@@ -169,7 +169,7 @@ namespace NzbDrone.Core.Test.DecisionEngineTests
 
             var results = Subject.GetRssDecision(_reports).ToList();
 
-            Mocker.GetMock<IParsingService>().Verify(c => c.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<SearchCriteriaBase>()), Times.Never());
+            Mocker.GetMock<IParsingService>().Verify(c => c.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<string>(), It.IsAny<SearchCriteriaBase>()), Times.Never());
 
             _pass1.Verify(c => c.IsSatisfiedBy(It.IsAny<RemoteEpisode>(), null), Times.Never());
             _pass2.Verify(c => c.IsSatisfiedBy(It.IsAny<RemoteEpisode>(), null), Times.Never());
@@ -186,7 +186,7 @@ namespace NzbDrone.Core.Test.DecisionEngineTests
 
             Subject.GetSearchDecision(_reports, new SingleEpisodeSearchCriteria()).ToList();
 
-            Mocker.GetMock<IParsingService>().Verify(c => c.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<SearchCriteriaBase>()), Times.Never());
+            Mocker.GetMock<IParsingService>().Verify(c => c.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<string>(), It.IsAny<SearchCriteriaBase>()), Times.Never());
 
             _pass1.Verify(c => c.IsSatisfiedBy(It.IsAny<RemoteEpisode>(), null), Times.Never());
             _pass2.Verify(c => c.IsSatisfiedBy(It.IsAny<RemoteEpisode>(), null), Times.Never());
@@ -212,7 +212,7 @@ namespace NzbDrone.Core.Test.DecisionEngineTests
         {
             GivenSpecifications(_pass1);
 
-            Mocker.GetMock<IParsingService>().Setup(c => c.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<SearchCriteriaBase>()))
+            Mocker.GetMock<IParsingService>().Setup(c => c.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<string>(), It.IsAny<SearchCriteriaBase>()))
                      .Throws<TestException>();
 
             _reports = new List<ReleaseInfo>
@@ -224,7 +224,7 @@ namespace NzbDrone.Core.Test.DecisionEngineTests
 
             Subject.GetRssDecision(_reports);
 
-            Mocker.GetMock<IParsingService>().Verify(c => c.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<SearchCriteriaBase>()), Times.Exactly(_reports.Count));
+            Mocker.GetMock<IParsingService>().Verify(c => c.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<string>(), It.IsAny<SearchCriteriaBase>()), Times.Exactly(_reports.Count));
 
             ExceptionVerification.ExpectedErrors(3);
         }
@@ -263,8 +263,8 @@ namespace NzbDrone.Core.Test.DecisionEngineTests
                 }).ToList();
 
             Mocker.GetMock<IParsingService>()
-                .Setup(v => v.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<SearchCriteriaBase>()))
-                .Returns<ParsedEpisodeInfo, int, int, SearchCriteriaBase>((p, tvdbid, tvrageid, c) =>
+                .Setup(v => v.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<string>(), It.IsAny<SearchCriteriaBase>()))
+                .Returns<ParsedEpisodeInfo, int, int, string, SearchCriteriaBase>((p, _, _, _, _) =>
                     new RemoteEpisode
                     {
                         DownloadAllowed = true,
@@ -318,7 +318,7 @@ namespace NzbDrone.Core.Test.DecisionEngineTests
         {
             GivenSpecifications(_pass1);
 
-            Mocker.GetMock<IParsingService>().Setup(c => c.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<SearchCriteriaBase>()))
+            Mocker.GetMock<IParsingService>().Setup(c => c.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<string>(), It.IsAny<SearchCriteriaBase>()))
                      .Throws<TestException>();
 
             _reports = new List<ReleaseInfo>
diff --git a/src/NzbDrone.Core.Test/Download/DownloadClientTests/DownloadClientFixtureBase.cs b/src/NzbDrone.Core.Test/Download/DownloadClientTests/DownloadClientFixtureBase.cs
index 804099e4a..f920257ea 100644
--- a/src/NzbDrone.Core.Test/Download/DownloadClientTests/DownloadClientFixtureBase.cs
+++ b/src/NzbDrone.Core.Test/Download/DownloadClientTests/DownloadClientFixtureBase.cs
@@ -10,7 +10,6 @@ using NzbDrone.Common.Http;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Download;
 using NzbDrone.Core.Indexers;
-using NzbDrone.Core.IndexerSearch.Definitions;
 using NzbDrone.Core.Localization;
 using NzbDrone.Core.Parser;
 using NzbDrone.Core.Parser.Model;
@@ -35,7 +34,7 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests
                 .Returns(30);
 
             Mocker.GetMock<IParsingService>()
-                .Setup(s => s.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), (SearchCriteriaBase)null))
+                .Setup(s => s.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<string>(), null))
                 .Returns(() => CreateRemoteEpisode());
 
             Mocker.GetMock<IHttpClient>()
diff --git a/src/NzbDrone.Core.Test/Download/TrackedDownloads/TrackedDownloadServiceFixture.cs b/src/NzbDrone.Core.Test/Download/TrackedDownloads/TrackedDownloadServiceFixture.cs
index c82ff848d..3e541c404 100644
--- a/src/NzbDrone.Core.Test/Download/TrackedDownloads/TrackedDownloadServiceFixture.cs
+++ b/src/NzbDrone.Core.Test/Download/TrackedDownloads/TrackedDownloadServiceFixture.cs
@@ -118,7 +118,7 @@ namespace NzbDrone.Core.Test.Download.TrackedDownloads
                   .Returns(remoteEpisode);
 
             Mocker.GetMock<IParsingService>()
-                  .Setup(s => s.ParseSpecialEpisodeTitle(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<string>(), It.IsAny<int>(), It.IsAny<int>(), null))
+                  .Setup(s => s.ParseSpecialEpisodeTitle(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<string>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<string>(), null))
                   .Returns(remoteEpisode.ParsedEpisodeInfo);
 
             var client = new DownloadClientDefinition()
@@ -169,7 +169,7 @@ namespace NzbDrone.Core.Test.Download.TrackedDownloads
                                 };
 
             Mocker.GetMock<IParsingService>()
-                  .Setup(s => s.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), null))
+                  .Setup(s => s.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<string>(), null))
                   .Returns(remoteEpisode);
 
             Mocker.GetMock<IHistoryService>()
@@ -199,7 +199,7 @@ namespace NzbDrone.Core.Test.Download.TrackedDownloads
             Subject.GetTrackedDownloads().Should().HaveCount(1);
 
             Mocker.GetMock<IParsingService>()
-                  .Setup(s => s.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), null))
+                  .Setup(s => s.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<string>(), null))
                   .Returns(default(RemoteEpisode));
 
             Subject.Handle(new EpisodeInfoRefreshedEvent(remoteEpisode.Series, new List<Episode>(), new List<Episode>(), remoteEpisode.Episodes));
@@ -228,7 +228,7 @@ namespace NzbDrone.Core.Test.Download.TrackedDownloads
             };
 
             Mocker.GetMock<IParsingService>()
-                  .Setup(s => s.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), null))
+                  .Setup(s => s.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<string>(), null))
                   .Returns(default(RemoteEpisode));
 
             Mocker.GetMock<IHistoryService>()
@@ -258,7 +258,7 @@ namespace NzbDrone.Core.Test.Download.TrackedDownloads
             Subject.GetTrackedDownloads().Should().HaveCount(1);
 
             Mocker.GetMock<IParsingService>()
-                  .Setup(s => s.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), null))
+                  .Setup(s => s.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<string>(), null))
                   .Returns(default(RemoteEpisode));
 
             Subject.Handle(new EpisodeInfoRefreshedEvent(remoteEpisode.Series, new List<Episode>(), new List<Episode>(), remoteEpisode.Episodes));
@@ -287,7 +287,7 @@ namespace NzbDrone.Core.Test.Download.TrackedDownloads
             };
 
             Mocker.GetMock<IParsingService>()
-                  .Setup(s => s.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), null))
+                  .Setup(s => s.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<string>(), null))
                   .Returns(default(RemoteEpisode));
 
             Mocker.GetMock<IHistoryService>()
@@ -317,7 +317,7 @@ namespace NzbDrone.Core.Test.Download.TrackedDownloads
             Subject.GetTrackedDownloads().Should().HaveCount(1);
 
             Mocker.GetMock<IParsingService>()
-                  .Setup(s => s.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), null))
+                  .Setup(s => s.Map(It.IsAny<ParsedEpisodeInfo>(), It.IsAny<int>(), It.IsAny<int>(), It.IsAny<string>(), null))
                   .Returns(default(RemoteEpisode));
 
             Subject.Handle(new SeriesDeletedEvent(new List<Series> { remoteEpisode.Series }, true, true));
diff --git a/src/NzbDrone.Core.Test/MediaFiles/EpisodeImport/Specifications/MatchesFolderSpecificationFixture.cs b/src/NzbDrone.Core.Test/MediaFiles/EpisodeImport/Specifications/MatchesFolderSpecificationFixture.cs
index 29b87cc42..b4d4de34b 100644
--- a/src/NzbDrone.Core.Test/MediaFiles/EpisodeImport/Specifications/MatchesFolderSpecificationFixture.cs
+++ b/src/NzbDrone.Core.Test/MediaFiles/EpisodeImport/Specifications/MatchesFolderSpecificationFixture.cs
@@ -233,11 +233,11 @@ namespace NzbDrone.Core.Test.MediaFiles.EpisodeImport.Specifications
             GivenEpisodes(actualInfo, actualInfo.EpisodeNumbers);
 
             Mocker.GetMock<IParsingService>()
-                .Setup(v => v.ParseSpecialEpisodeTitle(fileInfo, It.IsAny<string>(), 0, 0, null))
+                .Setup(v => v.ParseSpecialEpisodeTitle(fileInfo, It.IsAny<string>(), 0, 0, null, null))
                 .Returns(actualInfo);
 
             Mocker.GetMock<IParsingService>()
-                .Setup(v => v.ParseSpecialEpisodeTitle(folderInfo, It.IsAny<string>(), 0, 0, null))
+                .Setup(v => v.ParseSpecialEpisodeTitle(folderInfo, It.IsAny<string>(), 0, 0, null, null))
                 .Returns(actualInfo);
 
             Subject.IsSatisfiedBy(localEpisode, null).Accepted.Should().BeTrue();
diff --git a/src/NzbDrone.Core.Test/ParserTests/ParsingServiceTests/GetEpisodesFixture.cs b/src/NzbDrone.Core.Test/ParserTests/ParsingServiceTests/GetEpisodesFixture.cs
index 77c726fa8..9a5610838 100644
--- a/src/NzbDrone.Core.Test/ParserTests/ParsingServiceTests/GetEpisodesFixture.cs
+++ b/src/NzbDrone.Core.Test/ParserTests/ParsingServiceTests/GetEpisodesFixture.cs
@@ -91,7 +91,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
             GivenDailySeries();
             GivenDailyParseResult();
 
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId);
 
             Mocker.GetMock<IEpisodeService>()
                 .Verify(v => v.FindEpisode(It.IsAny<int>(), It.IsAny<string>(), null), Times.Once());
@@ -103,7 +103,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
             GivenDailySeries();
             GivenDailyParseResult();
 
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId,  _series.TvRageId, _singleEpisodeSearchCriteria);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId, _singleEpisodeSearchCriteria);
 
             Mocker.GetMock<IEpisodeService>()
                 .Verify(v => v.FindEpisode(It.IsAny<int>(), It.IsAny<string>(), null), Times.Never());
@@ -115,7 +115,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
             GivenDailySeries();
             _parsedEpisodeInfo.AirDate = DateTime.Today.AddDays(-5).ToString(Episode.AIR_DATE_FORMAT);
 
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _singleEpisodeSearchCriteria);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId, _singleEpisodeSearchCriteria);
 
             Mocker.GetMock<IEpisodeService>()
                 .Verify(v => v.FindEpisode(It.IsAny<int>(), It.IsAny<string>(), null), Times.Once());
@@ -128,7 +128,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
             GivenDailyParseResult();
             _parsedEpisodeInfo.DailyPart = 1;
 
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId);
 
             Mocker.GetMock<IEpisodeService>()
                   .Verify(v => v.FindEpisode(It.IsAny<int>(), It.IsAny<string>(), 1), Times.Once());
@@ -143,7 +143,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
                   .Setup(s => s.FindEpisodesBySceneNumbering(It.IsAny<int>(), It.IsAny<int>()))
                   .Returns(new List<Episode>());
 
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _singleEpisodeSearchCriteria);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId, _singleEpisodeSearchCriteria);
 
             Mocker.GetMock<IEpisodeService>()
                 .Verify(v => v.FindEpisode(It.IsAny<int>(), It.IsAny<string>(), null), Times.Never());
@@ -154,7 +154,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
         {
             GivenSceneNumberingSeries();
 
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId);
 
             Mocker.GetMock<IEpisodeService>()
                 .Verify(v => v.FindEpisodesBySceneNumbering(It.IsAny<int>(), It.IsAny<int>(), It.IsAny<int>()), Times.Once());
@@ -165,7 +165,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
         {
             GivenSceneNumberingSeries();
 
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _singleEpisodeSearchCriteria);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId, _singleEpisodeSearchCriteria);
 
             Mocker.GetMock<IEpisodeService>()
                 .Verify(v => v.FindEpisodesBySceneNumbering(It.IsAny<int>(), It.IsAny<int>(), It.IsAny<int>()), Times.Never());
@@ -177,7 +177,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
             GivenSceneNumberingSeries();
             _episodes.First().SceneEpisodeNumber = 10;
 
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _singleEpisodeSearchCriteria);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId, _singleEpisodeSearchCriteria);
 
             Mocker.GetMock<IEpisodeService>()
                 .Verify(v => v.FindEpisodesBySceneNumbering(It.IsAny<int>(), It.IsAny<int>(), It.IsAny<int>()), Times.Once());
@@ -186,7 +186,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
         [Test]
         public void should_find_episode()
         {
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId);
 
             Mocker.GetMock<IEpisodeService>()
                 .Verify(v => v.FindEpisode(It.IsAny<int>(), It.IsAny<int>(), It.IsAny<int>()), Times.Once());
@@ -195,7 +195,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
         [Test]
         public void should_match_episode_with_search_criteria()
         {
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _singleEpisodeSearchCriteria);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId, _singleEpisodeSearchCriteria);
 
             Mocker.GetMock<IEpisodeService>()
                 .Verify(v => v.FindEpisode(It.IsAny<int>(), It.IsAny<int>(), It.IsAny<int>()), Times.Never());
@@ -206,7 +206,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
         {
             _episodes.First().EpisodeNumber = 10;
 
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _singleEpisodeSearchCriteria);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId, _singleEpisodeSearchCriteria);
 
             Mocker.GetMock<IEpisodeService>()
                 .Verify(v => v.FindEpisode(It.IsAny<int>(), It.IsAny<int>(), It.IsAny<int>()), Times.Once());
@@ -537,7 +537,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
                                       .With(e => e.EpisodeNumber = 1)
                                       .Build());
 
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId);
 
             Mocker.GetMock<IEpisodeService>()
                   .Verify(v => v.FindEpisode(_series.TvdbId, 0, 1), Times.Once());
@@ -555,7 +555,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
                   .Setup(s => s.FindEpisodeByTitle(_series.TvdbId, 0, _parsedEpisodeInfo.ReleaseTitle))
                   .Returns((Episode)null);
 
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId);
 
             Mocker.GetMock<IEpisodeService>()
                   .Verify(v => v.FindEpisode(_series.TvdbId, _parsedEpisodeInfo.SeasonNumber, _parsedEpisodeInfo.EpisodeNumbers.First()), Times.Once());
diff --git a/src/NzbDrone.Core.Test/ParserTests/ParsingServiceTests/MapFixture.cs b/src/NzbDrone.Core.Test/ParserTests/ParsingServiceTests/MapFixture.cs
index 0aac2ecbc..5b26d0461 100644
--- a/src/NzbDrone.Core.Test/ParserTests/ParsingServiceTests/MapFixture.cs
+++ b/src/NzbDrone.Core.Test/ParserTests/ParsingServiceTests/MapFixture.cs
@@ -86,7 +86,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
         {
             GivenMatchBySeriesTitle();
 
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId);
 
             Mocker.GetMock<ISeriesService>()
                   .Verify(v => v.FindByTitle(It.IsAny<string>()), Times.Once());
@@ -97,7 +97,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
         {
             GivenMatchByTvdbId();
 
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId);
 
             Mocker.GetMock<ISeriesService>()
                   .Verify(v => v.FindByTvdbId(It.IsAny<int>()), Times.Once());
@@ -108,7 +108,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
         {
             GivenMatchByTvRageId();
 
-            Subject.Map(_parsedEpisodeInfo, 0, _series.TvRageId);
+            Subject.Map(_parsedEpisodeInfo, 0, _series.TvRageId, null);
 
             Mocker.GetMock<ISeriesService>()
                   .Verify(v => v.FindByTvRageId(It.IsAny<int>()), Times.Once());
@@ -123,7 +123,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
                   .Setup(v => v.FindSceneMapping(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<int>()))
                   .Returns(new SceneMapping { TvdbId = 10 });
 
-            var result = Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId);
+            var result = Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId);
 
             Mocker.GetMock<ISeriesService>()
                   .Verify(v => v.FindByTvRageId(It.IsAny<int>()), Times.Never());
@@ -136,7 +136,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
         {
             GivenMatchBySeriesTitle();
 
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _singleEpisodeSearchCriteria);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId, _singleEpisodeSearchCriteria);
 
             Mocker.GetMock<ISeriesService>()
                   .Verify(v => v.FindByTitle(It.IsAny<string>()), Times.Never());
@@ -147,7 +147,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
         {
             GivenParseResultSeriesDoesntMatchSearchCriteria();
 
-            Subject.Map(_parsedEpisodeInfo, 10, 10, _singleEpisodeSearchCriteria);
+            Subject.Map(_parsedEpisodeInfo, 10, 10, null, _singleEpisodeSearchCriteria);
 
             Mocker.GetMock<ISeriesService>()
                   .Verify(v => v.FindByTitle(It.IsAny<string>()), Times.Once());
@@ -169,7 +169,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
                   .Setup(s => s.FindByTitle(_parsedEpisodeInfo.SeriesTitleInfo.TitleWithoutYear, _parsedEpisodeInfo.SeriesTitleInfo.Year))
                   .Returns(_series);
 
-            Subject.Map(_parsedEpisodeInfo, 10, 10, _singleEpisodeSearchCriteria);
+            Subject.Map(_parsedEpisodeInfo, 10, 10, null, _singleEpisodeSearchCriteria);
 
             Mocker.GetMock<ISeriesService>()
                   .Verify(v => v.FindByTitle(It.IsAny<string>(), It.IsAny<int>()), Times.Once());
@@ -180,7 +180,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
         {
             GivenParseResultSeriesDoesntMatchSearchCriteria();
 
-            Subject.Map(_parsedEpisodeInfo, 10, 10, _singleEpisodeSearchCriteria);
+            Subject.Map(_parsedEpisodeInfo, 10, 10, null, _singleEpisodeSearchCriteria);
 
             Mocker.GetMock<ISeriesService>()
                   .Verify(v => v.FindByTvdbId(It.IsAny<int>()), Times.Once());
@@ -191,7 +191,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
         {
             GivenParseResultSeriesDoesntMatchSearchCriteria();
 
-            Subject.Map(_parsedEpisodeInfo, 0, 10, _singleEpisodeSearchCriteria);
+            Subject.Map(_parsedEpisodeInfo, 0, 10, null, _singleEpisodeSearchCriteria);
 
             Mocker.GetMock<ISeriesService>()
                   .Verify(v => v.FindByTvRageId(It.IsAny<int>()), Times.Once());
@@ -202,12 +202,34 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
         {
             GivenParseResultSeriesDoesntMatchSearchCriteria();
 
-            Subject.Map(_parsedEpisodeInfo, 10, 10, _singleEpisodeSearchCriteria);
+            Subject.Map(_parsedEpisodeInfo, 10, 10, null, _singleEpisodeSearchCriteria);
 
             Mocker.GetMock<ISeriesService>()
                 .Verify(v => v.FindByTvRageId(It.IsAny<int>()), Times.Never());
         }
 
+        [Test]
+        public void should_FindByImdbId_when_search_criteria_and_FindByTitle_matching_fails()
+        {
+            GivenParseResultSeriesDoesntMatchSearchCriteria();
+
+            Subject.Map(_parsedEpisodeInfo, 0, 0, "tt12345", _singleEpisodeSearchCriteria);
+
+            Mocker.GetMock<ISeriesService>()
+                .Verify(v => v.FindByImdbId(It.IsAny<string>()), Times.Once());
+        }
+
+        [Test]
+        public void should_not_FindByImdbId_when_search_criteria_and_FindByTitle_matching_fails_and_tvdb_id_is_specified()
+        {
+            GivenParseResultSeriesDoesntMatchSearchCriteria();
+
+            Subject.Map(_parsedEpisodeInfo, 10, 10, "tt12345", _singleEpisodeSearchCriteria);
+
+            Mocker.GetMock<ISeriesService>()
+                .Verify(v => v.FindByImdbId(It.IsAny<string>()), Times.Never());
+        }
+
         [Test]
         public void should_use_tvdbid_matching_when_alias_is_found()
         {
@@ -215,7 +237,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
                   .Setup(s => s.FindTvdbId(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<int>()))
                   .Returns(_series.TvdbId);
 
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _singleEpisodeSearchCriteria);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId, _singleEpisodeSearchCriteria);
 
             Mocker.GetMock<ISeriesService>()
                   .Verify(v => v.FindByTitle(It.IsAny<string>()), Times.Never());
@@ -226,7 +248,7 @@ namespace NzbDrone.Core.Test.ParserTests.ParsingServiceTests
         {
             GivenParseResultSeriesDoesntMatchSearchCriteria();
 
-            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _singleEpisodeSearchCriteria);
+            Subject.Map(_parsedEpisodeInfo, _series.TvdbId, _series.TvRageId, _series.ImdbId, _singleEpisodeSearchCriteria);
 
             Mocker.GetMock<ISeriesService>()
                   .Verify(v => v.FindByTitle(It.IsAny<string>()), Times.Never());
diff --git a/src/NzbDrone.Core/DecisionEngine/DownloadDecisionMaker.cs b/src/NzbDrone.Core/DecisionEngine/DownloadDecisionMaker.cs
index c38cbb822..e5ee8ac03 100644
--- a/src/NzbDrone.Core/DecisionEngine/DownloadDecisionMaker.cs
+++ b/src/NzbDrone.Core/DecisionEngine/DownloadDecisionMaker.cs
@@ -80,7 +80,7 @@ namespace NzbDrone.Core.DecisionEngine
 
                     if (parsedEpisodeInfo == null || parsedEpisodeInfo.IsPossibleSpecialEpisode)
                     {
-                        var specialEpisodeInfo = _parsingService.ParseSpecialEpisodeTitle(parsedEpisodeInfo, report.Title, report.TvdbId, report.TvRageId, searchCriteria);
+                        var specialEpisodeInfo = _parsingService.ParseSpecialEpisodeTitle(parsedEpisodeInfo, report.Title, report.TvdbId, report.TvRageId, report.ImdbId, searchCriteria);
 
                         if (specialEpisodeInfo != null)
                         {
@@ -90,7 +90,7 @@ namespace NzbDrone.Core.DecisionEngine
 
                     if (parsedEpisodeInfo != null && !parsedEpisodeInfo.SeriesTitle.IsNullOrWhiteSpace())
                     {
-                        var remoteEpisode = _parsingService.Map(parsedEpisodeInfo, report.TvdbId, report.TvRageId, searchCriteria);
+                        var remoteEpisode = _parsingService.Map(parsedEpisodeInfo, report.TvdbId, report.TvRageId, report.ImdbId, searchCriteria);
                         remoteEpisode.Release = report;
 
                         if (remoteEpisode.Series == null)
diff --git a/src/NzbDrone.Core/Download/TrackedDownloads/TrackedDownloadService.cs b/src/NzbDrone.Core/Download/TrackedDownloads/TrackedDownloadService.cs
index 2f789f23b..608221e70 100644
--- a/src/NzbDrone.Core/Download/TrackedDownloads/TrackedDownloadService.cs
+++ b/src/NzbDrone.Core/Download/TrackedDownloads/TrackedDownloadService.cs
@@ -119,7 +119,7 @@ namespace NzbDrone.Core.Download.TrackedDownloads
 
                 if (parsedEpisodeInfo != null)
                 {
-                    trackedDownload.RemoteEpisode = _parsingService.Map(parsedEpisodeInfo, 0, 0);
+                    trackedDownload.RemoteEpisode = _parsingService.Map(parsedEpisodeInfo, 0, 0, null);
 
                     _aggregationService.Augment(trackedDownload.RemoteEpisode);
                 }
@@ -147,7 +147,7 @@ namespace NzbDrone.Core.Download.TrackedDownloads
                         // Try parsing the original source title and if that fails, try parsing it as a special
                         // TODO: Pass the TVDB ID and TVRage IDs in as well so we have a better chance for finding the item
                         parsedEpisodeInfo = Parser.Parser.ParseTitle(firstHistoryItem.SourceTitle) ??
-                                            _parsingService.ParseSpecialEpisodeTitle(parsedEpisodeInfo, firstHistoryItem.SourceTitle, 0, 0);
+                                            _parsingService.ParseSpecialEpisodeTitle(parsedEpisodeInfo, firstHistoryItem.SourceTitle, 0, 0, null);
 
                         if (parsedEpisodeInfo != null)
                         {
@@ -234,7 +234,7 @@ namespace NzbDrone.Core.Download.TrackedDownloads
         {
             var parsedEpisodeInfo = Parser.Parser.ParseTitle(trackedDownload.DownloadItem.Title);
 
-            trackedDownload.RemoteEpisode = parsedEpisodeInfo == null ? null : _parsingService.Map(parsedEpisodeInfo, 0, 0);
+            trackedDownload.RemoteEpisode = parsedEpisodeInfo == null ? null : _parsingService.Map(parsedEpisodeInfo, 0, 0, null);
 
             _aggregationService.Augment(trackedDownload.RemoteEpisode);
         }
diff --git a/src/NzbDrone.Core/History/HistoryService.cs b/src/NzbDrone.Core/History/HistoryService.cs
index d7e76d94f..6a8ff6520 100644
--- a/src/NzbDrone.Core/History/HistoryService.cs
+++ b/src/NzbDrone.Core/History/HistoryService.cs
@@ -165,6 +165,7 @@ namespace NzbDrone.Core.History
                 history.Data.Add("Guid", message.Episode.Release.Guid);
                 history.Data.Add("TvdbId", message.Episode.Release.TvdbId.ToString());
                 history.Data.Add("TvRageId", message.Episode.Release.TvRageId.ToString());
+                history.Data.Add("ImdbId", message.Episode.Release.ImdbId);
                 history.Data.Add("Protocol", ((int)message.Episode.Release.DownloadProtocol).ToString());
                 history.Data.Add("CustomFormatScore", message.Episode.CustomFormatScore.ToString());
                 history.Data.Add("SeriesMatchType", message.Episode.SeriesMatchType.ToString());
diff --git a/src/NzbDrone.Core/Indexers/BroadcastheNet/BroadcastheNetParser.cs b/src/NzbDrone.Core/Indexers/BroadcastheNet/BroadcastheNetParser.cs
index 15341e067..ec652879e 100644
--- a/src/NzbDrone.Core/Indexers/BroadcastheNet/BroadcastheNetParser.cs
+++ b/src/NzbDrone.Core/Indexers/BroadcastheNet/BroadcastheNetParser.cs
@@ -95,6 +95,11 @@ namespace NzbDrone.Core.Indexers.BroadcastheNet
                     torrentInfo.TvRageId = torrent.TvrageID.Value;
                 }
 
+                if (torrent.ImdbID.IsNotNullOrWhiteSpace() && int.TryParse(torrent.ImdbID, out var imdbId) && imdbId > 0)
+                {
+                    torrentInfo.ImdbId = $"tt{imdbId:D7}";
+                }
+
                 results.Add(torrentInfo);
             }
 
diff --git a/src/NzbDrone.Core/Indexers/FileList/FileListParser.cs b/src/NzbDrone.Core/Indexers/FileList/FileListParser.cs
index 59e6237d0..8b26a1d60 100644
--- a/src/NzbDrone.Core/Indexers/FileList/FileListParser.cs
+++ b/src/NzbDrone.Core/Indexers/FileList/FileListParser.cs
@@ -38,7 +38,7 @@ namespace NzbDrone.Core.Indexers.FileList
             {
                 var id = result.Id;
 
-                torrentInfos.Add(new TorrentInfo
+                var torrentInfo = new TorrentInfo
                 {
                     Guid = $"FileList-{id}",
                     Title = result.Name,
@@ -48,9 +48,15 @@ namespace NzbDrone.Core.Indexers.FileList
                     Seeders = result.Seeders,
                     Peers = result.Leechers + result.Seeders,
                     PublishDate = result.UploadDate.ToUniversalTime(),
-                    ImdbId = result.ImdbId,
                     IndexerFlags = GetIndexerFlags(result)
-                });
+                };
+
+                if (result.ImdbId is { Length: > 2 } && int.TryParse(result.ImdbId.TrimStart('t'), out var imdbId) && imdbId > 0)
+                {
+                    torrentInfo.ImdbId = $"tt{imdbId:D7}";
+                }
+
+                torrentInfos.Add(torrentInfo);
             }
 
             return torrentInfos.ToArray();
diff --git a/src/NzbDrone.Core/Indexers/Newznab/NewznabRssParser.cs b/src/NzbDrone.Core/Indexers/Newznab/NewznabRssParser.cs
index 2444d901c..408d22b36 100644
--- a/src/NzbDrone.Core/Indexers/Newznab/NewznabRssParser.cs
+++ b/src/NzbDrone.Core/Indexers/Newznab/NewznabRssParser.cs
@@ -90,6 +90,7 @@ namespace NzbDrone.Core.Indexers.Newznab
 
             releaseInfo.TvdbId = GetTvdbId(item);
             releaseInfo.TvRageId = GetTvRageId(item);
+            releaseInfo.ImdbId = GetImdbId(item);
 
             return releaseInfo;
         }
@@ -182,6 +183,18 @@ namespace NzbDrone.Core.Indexers.Newznab
             return 0;
         }
 
+        protected virtual string GetImdbId(XElement item)
+        {
+            var imdbIdString = TryGetNewznabAttribute(item, "imdb");
+
+            if (!imdbIdString.IsNullOrWhiteSpace() && int.TryParse(imdbIdString, out var imdbId) && imdbId > 0)
+            {
+                return $"tt{imdbId:D7}";
+            }
+
+            return null;
+        }
+
         protected string TryGetNewznabAttribute(XElement item, string key, string defaultValue = "")
         {
             var attrElement = item.Elements(ns + "attr").FirstOrDefault(e => e.Attribute("name").Value.Equals(key, StringComparison.OrdinalIgnoreCase));
diff --git a/src/NzbDrone.Core/Indexers/Torznab/TorznabRssParser.cs b/src/NzbDrone.Core/Indexers/Torznab/TorznabRssParser.cs
index 3bcd87d76..2186c4f77 100644
--- a/src/NzbDrone.Core/Indexers/Torznab/TorznabRssParser.cs
+++ b/src/NzbDrone.Core/Indexers/Torznab/TorznabRssParser.cs
@@ -83,6 +83,7 @@ namespace NzbDrone.Core.Indexers.Torznab
             {
                 torrentInfo.TvdbId = GetTvdbId(item);
                 torrentInfo.TvRageId = GetTvRageId(item);
+                releaseInfo.ImdbId = GetImdbId(item);
                 torrentInfo.IndexerFlags = GetFlags(item);
             }
 
@@ -177,6 +178,18 @@ namespace NzbDrone.Core.Indexers.Torznab
             return 0;
         }
 
+        protected virtual string GetImdbId(XElement item)
+        {
+            var imdbIdString = TryGetTorznabAttribute(item, "imdb");
+
+            if (!imdbIdString.IsNullOrWhiteSpace() && int.TryParse(imdbIdString, out var imdbId) && imdbId > 0)
+            {
+                return $"tt{imdbId:D7}";
+            }
+
+            return null;
+        }
+
         protected override string GetInfoHash(XElement item)
         {
             return TryGetTorznabAttribute(item, "infohash");
diff --git a/src/NzbDrone.Core/MediaFiles/EpisodeImport/Specifications/MatchesFolderSpecification.cs b/src/NzbDrone.Core/MediaFiles/EpisodeImport/Specifications/MatchesFolderSpecification.cs
index f4b346d5c..230190cd5 100644
--- a/src/NzbDrone.Core/MediaFiles/EpisodeImport/Specifications/MatchesFolderSpecification.cs
+++ b/src/NzbDrone.Core/MediaFiles/EpisodeImport/Specifications/MatchesFolderSpecification.cs
@@ -33,12 +33,12 @@ namespace NzbDrone.Core.MediaFiles.EpisodeImport.Specifications
 
             if (fileInfo != null && fileInfo.IsPossibleSceneSeasonSpecial)
             {
-                fileInfo = _parsingService.ParseSpecialEpisodeTitle(fileInfo, fileInfo.ReleaseTitle, localEpisode.Series.TvdbId, 0);
+                fileInfo = _parsingService.ParseSpecialEpisodeTitle(fileInfo, fileInfo.ReleaseTitle, localEpisode.Series.TvdbId, 0, null);
             }
 
             if (folderInfo != null && folderInfo.IsPossibleSceneSeasonSpecial)
             {
-                folderInfo = _parsingService.ParseSpecialEpisodeTitle(folderInfo, folderInfo.ReleaseTitle, localEpisode.Series.TvdbId, 0);
+                folderInfo = _parsingService.ParseSpecialEpisodeTitle(folderInfo, folderInfo.ReleaseTitle, localEpisode.Series.TvdbId, 0, null);
             }
 
             if (folderInfo == null)
diff --git a/src/NzbDrone.Core/Parser/Model/ReleaseInfo.cs b/src/NzbDrone.Core/Parser/Model/ReleaseInfo.cs
index ade3e3467..1266ac10c 100644
--- a/src/NzbDrone.Core/Parser/Model/ReleaseInfo.cs
+++ b/src/NzbDrone.Core/Parser/Model/ReleaseInfo.cs
@@ -103,6 +103,7 @@ namespace NzbDrone.Core.Parser.Model
                     stringBuilder.AppendLine("DownloadProtocol: " + DownloadProtocol ?? "Empty");
                     stringBuilder.AppendLine("TvdbId: " + TvdbId ?? "Empty");
                     stringBuilder.AppendLine("TvRageId: " + TvRageId ?? "Empty");
+                    stringBuilder.AppendLine("ImdbId: " + ImdbId ?? "Empty");
                     stringBuilder.AppendLine("PublishDate: " + PublishDate ?? "Empty");
                     return stringBuilder.ToString();
                 default:
diff --git a/src/NzbDrone.Core/Parser/ParsingService.cs b/src/NzbDrone.Core/Parser/ParsingService.cs
index 99045915e..487824092 100644
--- a/src/NzbDrone.Core/Parser/ParsingService.cs
+++ b/src/NzbDrone.Core/Parser/ParsingService.cs
@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using NLog;
@@ -13,11 +14,11 @@ namespace NzbDrone.Core.Parser
     public interface IParsingService
     {
         Series GetSeries(string title);
-        RemoteEpisode Map(ParsedEpisodeInfo parsedEpisodeInfo, int tvdbId, int tvRageId, SearchCriteriaBase searchCriteria = null);
+        RemoteEpisode Map(ParsedEpisodeInfo parsedEpisodeInfo, int tvdbId, int tvRageId, string imdbId, SearchCriteriaBase searchCriteria = null);
         RemoteEpisode Map(ParsedEpisodeInfo parsedEpisodeInfo, Series series);
         RemoteEpisode Map(ParsedEpisodeInfo parsedEpisodeInfo, int seriesId, IEnumerable<int> episodeIds);
         List<Episode> GetEpisodes(ParsedEpisodeInfo parsedEpisodeInfo, Series series, bool sceneSource, SearchCriteriaBase searchCriteria = null);
-        ParsedEpisodeInfo ParseSpecialEpisodeTitle(ParsedEpisodeInfo parsedEpisodeInfo, string releaseTitle, int tvdbId, int tvRageId, SearchCriteriaBase searchCriteria = null);
+        ParsedEpisodeInfo ParseSpecialEpisodeTitle(ParsedEpisodeInfo parsedEpisodeInfo, string releaseTitle, int tvdbId, int tvRageId, string imdbId, SearchCriteriaBase searchCriteria = null);
         ParsedEpisodeInfo ParseSpecialEpisodeTitle(ParsedEpisodeInfo parsedEpisodeInfo, string releaseTitle, Series series);
     }
 
@@ -115,14 +116,14 @@ namespace NzbDrone.Core.Parser
             return foundSeries;
         }
 
-        public RemoteEpisode Map(ParsedEpisodeInfo parsedEpisodeInfo, int tvdbId, int tvRageId, SearchCriteriaBase searchCriteria = null)
+        public RemoteEpisode Map(ParsedEpisodeInfo parsedEpisodeInfo, int tvdbId, int tvRageId, string imdbId, SearchCriteriaBase searchCriteria = null)
         {
-            return Map(parsedEpisodeInfo, tvdbId, tvRageId, null, searchCriteria);
+            return Map(parsedEpisodeInfo, tvdbId, tvRageId, imdbId, null, searchCriteria);
         }
 
         public RemoteEpisode Map(ParsedEpisodeInfo parsedEpisodeInfo, Series series)
         {
-            return Map(parsedEpisodeInfo, 0, 0, series, null);
+            return Map(parsedEpisodeInfo, 0, 0, null, series, null);
         }
 
         public RemoteEpisode Map(ParsedEpisodeInfo parsedEpisodeInfo, int seriesId, IEnumerable<int> episodeIds)
@@ -135,7 +136,7 @@ namespace NzbDrone.Core.Parser
                    };
         }
 
-        private RemoteEpisode Map(ParsedEpisodeInfo parsedEpisodeInfo, int tvdbId, int tvRageId, Series series, SearchCriteriaBase searchCriteria)
+        private RemoteEpisode Map(ParsedEpisodeInfo parsedEpisodeInfo, int tvdbId, int tvRageId, string imdbId, Series series, SearchCriteriaBase searchCriteria)
         {
             var sceneMapping = _sceneMappingService.FindSceneMapping(parsedEpisodeInfo.SeriesTitle, parsedEpisodeInfo.ReleaseTitle, parsedEpisodeInfo.SeasonNumber);
 
@@ -171,7 +172,7 @@ namespace NzbDrone.Core.Parser
 
             if (series == null)
             {
-                var seriesMatch = FindSeries(parsedEpisodeInfo, tvdbId, tvRageId, sceneMapping, searchCriteria);
+                var seriesMatch = FindSeries(parsedEpisodeInfo, tvdbId, tvRageId, imdbId, sceneMapping, searchCriteria);
 
                 if (seriesMatch != null)
                 {
@@ -210,7 +211,7 @@ namespace NzbDrone.Core.Parser
         {
             if (sceneSource)
             {
-                var remoteEpisode = Map(parsedEpisodeInfo, 0, 0, series, searchCriteria);
+                var remoteEpisode = Map(parsedEpisodeInfo, 0, 0, null, series, searchCriteria);
 
                 return remoteEpisode.Episodes;
             }
@@ -272,7 +273,7 @@ namespace NzbDrone.Core.Parser
             return GetStandardEpisodes(series, parsedEpisodeInfo, mappedSeasonNumber, sceneSource, searchCriteria);
         }
 
-        public ParsedEpisodeInfo ParseSpecialEpisodeTitle(ParsedEpisodeInfo parsedEpisodeInfo, string releaseTitle, int tvdbId, int tvRageId, SearchCriteriaBase searchCriteria = null)
+        public ParsedEpisodeInfo ParseSpecialEpisodeTitle(ParsedEpisodeInfo parsedEpisodeInfo, string releaseTitle, int tvdbId, int tvRageId, string imdbId, SearchCriteriaBase searchCriteria = null)
         {
             if (searchCriteria != null)
             {
@@ -285,6 +286,11 @@ namespace NzbDrone.Core.Parser
                 {
                     return ParseSpecialEpisodeTitle(parsedEpisodeInfo, releaseTitle, searchCriteria.Series);
                 }
+
+                if (imdbId.IsNotNullOrWhiteSpace() && imdbId.Equals(searchCriteria.Series.ImdbId, StringComparison.Ordinal))
+                {
+                    return ParseSpecialEpisodeTitle(parsedEpisodeInfo, releaseTitle, searchCriteria.Series);
+                }
             }
 
             var series = GetSeries(releaseTitle);
@@ -304,6 +310,11 @@ namespace NzbDrone.Core.Parser
                 series = _seriesService.FindByTvRageId(tvRageId);
             }
 
+            if (series == null && imdbId.IsNotNullOrWhiteSpace())
+            {
+                series = _seriesService.FindByImdbId(imdbId);
+            }
+
             if (series == null)
             {
                 _logger.Debug("No matching series {0}", releaseTitle);
@@ -354,7 +365,7 @@ namespace NzbDrone.Core.Parser
             return null;
         }
 
-        private FindSeriesResult FindSeries(ParsedEpisodeInfo parsedEpisodeInfo, int tvdbId, int tvRageId, SceneMapping sceneMapping, SearchCriteriaBase searchCriteria)
+        private FindSeriesResult FindSeries(ParsedEpisodeInfo parsedEpisodeInfo, int tvdbId, int tvRageId, string imdbId, SceneMapping sceneMapping, SearchCriteriaBase searchCriteria)
         {
             Series series = null;
 
@@ -406,6 +417,18 @@ namespace NzbDrone.Core.Parser
 
                     return new FindSeriesResult(searchCriteria.Series, SeriesMatchType.Id);
                 }
+
+                if (imdbId.IsNotNullOrWhiteSpace() && imdbId.Equals(searchCriteria.Series.ImdbId, StringComparison.Ordinal) && tvdbId <= 0)
+                {
+                    _logger.Debug()
+                           .Message("Found matching series by IMDb ID {0}, an alias may be needed for: {1}", imdbId, parsedEpisodeInfo.SeriesTitle)
+                           .Property("ImdbId", imdbId)
+                           .Property("ParsedEpisodeInfo", parsedEpisodeInfo)
+                           .WriteSentryWarn("ImdbIdMatch", imdbId, parsedEpisodeInfo.SeriesTitle)
+                           .Write();
+
+                    return new FindSeriesResult(searchCriteria.Series, SeriesMatchType.Id);
+                }
             }
 
             var matchType = SeriesMatchType.Unknown;
@@ -462,6 +485,23 @@ namespace NzbDrone.Core.Parser
                 }
             }
 
+            if (series == null && imdbId.IsNotNullOrWhiteSpace() && tvdbId <= 0)
+            {
+                series = _seriesService.FindByImdbId(imdbId);
+
+                if (series != null)
+                {
+                    _logger.Debug()
+                           .Message("Found matching series by IMDb ID {0}, an alias may be needed for: {1}", imdbId, parsedEpisodeInfo.SeriesTitle)
+                           .Property("ImdbId", imdbId)
+                           .Property("ParsedEpisodeInfo", parsedEpisodeInfo)
+                           .WriteSentryWarn("ImdbIdMatch", imdbId, parsedEpisodeInfo.SeriesTitle)
+                           .Write();
+
+                    matchType = SeriesMatchType.Id;
+                }
+            }
+
             if (series == null)
             {
                 _logger.Debug("No matching series {0}", parsedEpisodeInfo.SeriesTitle);
diff --git a/src/NzbDrone.Core/Tv/SeriesRepository.cs b/src/NzbDrone.Core/Tv/SeriesRepository.cs
index 88233f64e..f83545cc8 100644
--- a/src/NzbDrone.Core/Tv/SeriesRepository.cs
+++ b/src/NzbDrone.Core/Tv/SeriesRepository.cs
@@ -14,6 +14,7 @@ namespace NzbDrone.Core.Tv
         List<Series> FindByTitleInexact(string cleanTitle);
         Series FindByTvdbId(int tvdbId);
         Series FindByTvRageId(int tvRageId);
+        Series FindByImdbId(string imdbId);
         Series FindByPath(string path);
         List<int> AllSeriesTvdbIds();
         Dictionary<int, string> AllSeriesPaths();
@@ -73,6 +74,11 @@ namespace NzbDrone.Core.Tv
             return Query(s => s.TvRageId == tvRageId).SingleOrDefault();
         }
 
+        public Series FindByImdbId(string imdbId)
+        {
+            return Query(s => s.ImdbId == imdbId).SingleOrDefault();
+        }
+
         public Series FindByPath(string path)
         {
             return Query(s => s.Path == path)
diff --git a/src/NzbDrone.Core/Tv/SeriesService.cs b/src/NzbDrone.Core/Tv/SeriesService.cs
index b582acffa..d34c63be4 100644
--- a/src/NzbDrone.Core/Tv/SeriesService.cs
+++ b/src/NzbDrone.Core/Tv/SeriesService.cs
@@ -17,6 +17,7 @@ namespace NzbDrone.Core.Tv
         List<Series> AddSeries(List<Series> newSeries);
         Series FindByTvdbId(int tvdbId);
         Series FindByTvRageId(int tvRageId);
+        Series FindByImdbId(string imdbId);
         Series FindByTitle(string title);
         Series FindByTitle(string title, int year);
         Series FindByTitleInexact(string title);
@@ -94,6 +95,11 @@ namespace NzbDrone.Core.Tv
             return _seriesRepository.FindByTvRageId(tvRageId);
         }
 
+        public Series FindByImdbId(string imdbId)
+        {
+            return _seriesRepository.FindByImdbId(imdbId);
+        }
+
         public Series FindByTitle(string title)
         {
             return _seriesRepository.FindByTitle(title.CleanSeriesTitle());
diff --git a/src/Sonarr.Api.V3/Indexers/ReleaseResource.cs b/src/Sonarr.Api.V3/Indexers/ReleaseResource.cs
index ae8a6ed78..2b4ddb899 100644
--- a/src/Sonarr.Api.V3/Indexers/ReleaseResource.cs
+++ b/src/Sonarr.Api.V3/Indexers/ReleaseResource.cs
@@ -48,6 +48,7 @@ namespace Sonarr.Api.V3.Indexers
         public bool Rejected { get; set; }
         public int TvdbId { get; set; }
         public int TvRageId { get; set; }
+        public string ImdbId { get; set; }
         public IEnumerable<string> Rejections { get; set; }
         public DateTime PublishDate { get; set; }
         public string CommentUrl { get; set; }
@@ -136,6 +137,7 @@ namespace Sonarr.Api.V3.Indexers
                 Rejected = model.Rejected,
                 TvdbId = releaseInfo.TvdbId,
                 TvRageId = releaseInfo.TvRageId,
+                ImdbId = releaseInfo.ImdbId,
                 Rejections = model.Rejections.Select(r => r.Reason).ToList(),
                 PublishDate = releaseInfo.PublishDate,
                 CommentUrl = releaseInfo.CommentUrl,
@@ -194,6 +196,7 @@ namespace Sonarr.Api.V3.Indexers
             model.DownloadProtocol = resource.Protocol;
             model.TvdbId = resource.TvdbId;
             model.TvRageId = resource.TvRageId;
+            model.ImdbId = resource.ImdbId;
             model.PublishDate = resource.PublishDate.ToUniversalTime();
 
             return model;
diff --git a/src/Sonarr.Api.V3/Parse/ParseController.cs b/src/Sonarr.Api.V3/Parse/ParseController.cs
index 2f0719741..5338e4434 100644
--- a/src/Sonarr.Api.V3/Parse/ParseController.cs
+++ b/src/Sonarr.Api.V3/Parse/ParseController.cs
@@ -45,7 +45,7 @@ namespace Sonarr.Api.V3.Parse
                 };
             }
 
-            var remoteEpisode = _parsingService.Map(parsedEpisodeInfo, 0, 0);
+            var remoteEpisode = _parsingService.Map(parsedEpisodeInfo, 0, 0, null);
 
             if (remoteEpisode != null)
             {