I have 30 rock on disk, with all files named normally - when I scan disk on trace level debug it shows:
13-11-27 21:17:15.7|Debug|DiskScanService|Scanning ‘/vids/TV/30 Rock’ for video files
13-11-27 21:17:16.0|Debug|DiskScanService|135 video files were found in /vids/TV/30 Rock
13-11-27 21:17:16.1|Debug|ImportDecisionMaker|Analysing 135/135 files.
13-11-27 21:17:16.2|Trace|Parser|Parsing string '30 Rock - S01E01 - Pilot.avi’
13-11-27 21:17:16.2|Trace|Parser|Episode Parsed. rock - S01E01
13-11-27 21:17:16.2|Trace|NzbDrone.Core.Parser.QualityParser|Trying to parse quality for 30 Rock - S01E01 - Pilot.avi
13-11-27 21:17:16.3|Trace|EventAggregator|Publishing UpdateQueueEvent
13-11-27 21:17:16.3|Trace|EventAggregator|UpdateQueueEvent -> QueueModule
13-11-27 21:17:16.3|Trace|CommandExecutor|Publishing BroadcastSignalRMessage
13-11-27 21:17:16.3|Trace|CommandExecutor|BroadcastSignalRMessage -> NzbDronePersistentConnection
13-11-27 21:17:16.3|Trace|EventAggregator|Publishing CommandExecutedEvent
13-11-27 21:17:16.3|Trace|EventAggregator|CommandExecutedEvent -> TaskManager
13-11-27 21:17:16.3|Trace|EventAggregator|CommandExecutedEvent <- TaskManager
13-11-27 21:17:16.3|Trace|CommandExecutor|BroadcastSignalRMessage <- NzbDronePersistentConnection [00:00:00.0001770]
13-11-27 21:17:16.3|Trace|EventAggregator|UpdateQueueEvent <- QueueModule
13-11-27 21:17:16.3|Trace|Parser|Parsing string '30 Rock - S01E02 - The Aftermath.avi’
13-11-27 21:17:16.3|Trace|Parser|Episode Parsed. rock - S01E02
13-11-27 21:17:16.3|Trace|NzbDrone.Core.Parser.QualityParser|Trying to parse quality for 30 Rock - S01E02 - The Aftermath.avi
13-11-27 21:17:16.4|Trace|Parser|Parsing string '30 Rock - S01E03 - Blind Date.avi’
13-11-27 21:17:16.4|Trace|Parser|Episode Parsed. rock - S01E03
Etc…
13-11-27 21:17:22.7|Trace|Parser|Parsing string '30.Rock.S07E02.HDTV.x264-LOL.mp4’
13-11-27 21:17:22.7|Trace|Parser|Episode Parsed. rock - S07E02
13-11-27 21:17:22.7|Trace|NzbDrone.Core.Parser.QualityParser|Trying to parse quality for 30.Rock.S07E02.HDTV.x264-LOL.mp4
etc…
I would guess it’s failing to parse the episode based name on "Episode Parsed. rock - S01E03 "?
I suspect this would be problematic with any series that has a number in its name.