diff --git a/src/NzbDrone.Core.Test/ParserTests/HashedReleaseFixture.cs b/src/NzbDrone.Core.Test/ParserTests/HashedReleaseFixture.cs
index 720ad8ad1..4922489e0 100644
--- a/src/NzbDrone.Core.Test/ParserTests/HashedReleaseFixture.cs
+++ b/src/NzbDrone.Core.Test/ParserTests/HashedReleaseFixture.cs
@@ -44,6 +44,13 @@ namespace NzbDrone.Core.Test.ParserTests
                 "weeds",
                 "DVD",
                 "NZBgeek"
+            },
+            new object[]
+            {
+                @"C:\Test\Deadwood.S02E12.1080p.BluRay.x264-SONARR\Backup_72023S02-12".AsOsAgnostic(),
+                "deadwood",
+                "Bluray-1080p",
+                "SONARR"
             }
         };
 
diff --git a/src/NzbDrone.Core.Test/ParserTests/SingleEpisodeParserFixture.cs b/src/NzbDrone.Core.Test/ParserTests/SingleEpisodeParserFixture.cs
index aaac796d5..3626dca41 100644
--- a/src/NzbDrone.Core.Test/ParserTests/SingleEpisodeParserFixture.cs
+++ b/src/NzbDrone.Core.Test/ParserTests/SingleEpisodeParserFixture.cs
@@ -93,6 +93,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("NCIS.S010E16.720p.HDTV.X264-DIMENSION", "NCIS", 10, 16)]
         [TestCase("[ www.Torrenting.com ] - Revolution.2012.S02E17.720p.HDTV.X264-DIMENSION", "Revolution2012", 2, 17)]
         [TestCase("Revolution.2012.S02E18.720p.HDTV.X264-DIMENSION.mkv", "Revolution2012", 2, 18)]
+        [TestCase("Backup_72023S02-12.mkv", "Backup_72023", 2, 12)]
         //[TestCase("", "", 0, 0)]
         public void should_parse_single_episode(string postTitle, string title, int seasonNumber, int episodeNumber)
         {
diff --git a/src/NzbDrone.Core/Parser/Parser.cs b/src/NzbDrone.Core/Parser/Parser.cs
index 9ab812caf..298da472f 100644
--- a/src/NzbDrone.Core/Parser/Parser.cs
+++ b/src/NzbDrone.Core/Parser/Parser.cs
@@ -129,7 +129,10 @@ namespace NzbDrone.Core.Parser
                 new Regex(@"^[a-z0-9]{24}$", RegexOptions.Compiled),
 
                 // Format seen on some NZBGeek releases
-                new Regex(@"^[A-Z]{11}\d{3}$", RegexOptions.Compiled)
+                new Regex(@"^[A-Z]{11}\d{3}$", RegexOptions.Compiled),
+
+                //Backup filename (Unknown origins)
+                new Regex(@"^Backup_\d{5,}S\d{2}-\d{2}$", RegexOptions.Compiled)
             };
 
         //Regex to detect whether the title was reversed.