diff --git a/src/NzbDrone.Core.Test/ParserTests/SeasonParserFixture.cs b/src/NzbDrone.Core.Test/ParserTests/SeasonParserFixture.cs
index bee75317a..769927256 100644
--- a/src/NzbDrone.Core.Test/ParserTests/SeasonParserFixture.cs
+++ b/src/NzbDrone.Core.Test/ParserTests/SeasonParserFixture.cs
@@ -28,6 +28,7 @@ public class SeasonParserFixture : CoreTest
         [TestCase("Series.SAISON.1.VFQ.PDTV.H264-ACC-ROLLED", "Series", 1)]
         [TestCase("Series Title - Series 1 (1970) DivX", "Series Title", 1)]
         [TestCase("SeriesTitle.S03.540p.AMZN.WEB-DL.DD+2.0.x264-RTN", "SeriesTitle", 3)]
+        [TestCase("Series.Title.S01.576p.BluRay.DD5.1.x264-HiSD", "Series Title", 1)]
         public void should_parse_full_season_release(string postTitle, string title, int season)
         {
             var result = Parser.Parser.ParseTitle(postTitle);
diff --git a/src/NzbDrone.Core/Parser/Parser.cs b/src/NzbDrone.Core/Parser/Parser.cs
index eb151a3fb..e96c1dc22 100644
--- a/src/NzbDrone.Core/Parser/Parser.cs
+++ b/src/NzbDrone.Core/Parser/Parser.cs
@@ -424,7 +424,7 @@ public static class Parser
         private static readonly Regex FileExtensionRegex = new Regex(@"\.[a-z0-9]{2,4}$",
                                                                 RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
-        private static readonly RegexReplace SimpleTitleRegex = new RegexReplace(@"(?:(480|540|720|1080|2160)[ip]|[xh][\W_]?26[45]|DD\W?5\W1|[<>?*]|848x480|1280x720|1920x1080|3840x2160|4096x2160|(8|10)b(it)?|10-bit)\s*?",
+        private static readonly RegexReplace SimpleTitleRegex = new RegexReplace(@"(?:(480|540|576|720|1080|2160)[ip]|[xh][\W_]?26[45]|DD\W?5\W1|[<>?*]|848x480|1280x720|1920x1080|3840x2160|4096x2160|(8|10)b(it)?|10-bit)\s*?",
                                                                 string.Empty,
                                                                 RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
@@ -450,7 +450,7 @@ public static class Parser
         private static readonly Regex CleanQualityBracketsRegex = new Regex(@"\[[a-z0-9 ._-]+\]$",
                                                                    RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
-        private static readonly Regex ReleaseGroupRegex = new Regex(@"-(?<releasegroup>[a-z0-9]+(?<part2>-[a-z0-9]+)?(?!.+?(?:480p|720p|1080p|2160p)))(?<!(?:WEB-DL|Blu-Ray|480p|720p|1080p|2160p|DTS-HD|DTS-X|DTS-MA|DTS-ES|-ES|-EN|-CAT|[ ._]\d{4}-\d{2}|-\d{2})(?:\k<part2>)?)(?:\b|[-._ ]|$)|[-._ ]\[(?<releasegroup>[a-z0-9]+)\]$",
+        private static readonly Regex ReleaseGroupRegex = new Regex(@"-(?<releasegroup>[a-z0-9]+(?<part2>-[a-z0-9]+)?(?!.+?(?:480p|576p|720p|1080p|2160p)))(?<!(?:WEB-DL|Blu-Ray|480p|576p|720p|1080p|2160p|DTS-HD|DTS-X|DTS-MA|DTS-ES|-ES|-EN|-CAT|[ ._]\d{4}-\d{2}|-\d{2})(?:\k<part2>)?)(?:\b|[-._ ]|$)|[-._ ]\[(?<releasegroup>[a-z0-9]+)\]$",
                                                                 RegexOptions.IgnoreCase | RegexOptions.Compiled);