Fixed: Changed Quality Parser to avoid matching tags in the Episode title instead of the Quality tags.

src/NzbDrone.Core.Test/ParserTests/QualityParserFixture.cs

@@ -165,6 +165,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("Series Title S06E08 1080p WEB h264-EXCLUSIVE", false)]
         [TestCase("Series Title S06E08 No One PROPER 1080p WEB DD5 1 H 264-EXCLUSIVE", true)]
         [TestCase("Series Title S06E08 No One PROPER 1080p WEB H 264-EXCLUSIVE", true)]
+        [TestCase("The.Simpsons.S25E21.Pay.Pal.1080p.WEB-DL.DD5.1.H.264-NTb", false)]
         public void should_parse_webdl1080p_quality(string title, bool proper)
         {
             ParseAndVerifyQuality(title, Quality.WEBDL1080p, proper);

src/NzbDrone.Core/Parser/QualityParser.cs

@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using System.Linq;
 using System.Text.RegularExpressions;
 using NLog;
 using NzbDrone.Common.Extensions;
@@ -65,10 +66,12 @@ namespace NzbDrone.Core.Parser
                 return result;
             }
 
-            var sourceMatch = SourceRegex.Match(normalizedName);
+            var sourceMatch = SourceRegex.Matches(normalizedName).OfType<Match>().LastOrDefault();
             var resolution = ParseResolution(normalizedName);
             var codecRegex = CodecRegex.Match(normalizedName);
 
+            if (sourceMatch != null && sourceMatch.Success)
+            {
                 if (sourceMatch.Groups["bluray"].Success)
                 {
                     if (codecRegex.Groups["xvid"].Success || codecRegex.Groups["divx"].Success)
@@ -196,6 +199,7 @@ namespace NzbDrone.Core.Parser
                     result.Quality = Quality.SDTV;
                     return result;
                 }
+            }
 
 
             //Anime Bluray matching