FileBot to Rename Movies and Series
You can find more information about FileBot on http://www.filebot.net. FileBot is the ultimate tool for organizing and renaming your movies, TV shows or anime, and music well as downloading subtitles and artwork. It's smart and just works.
Use FileBot to rename movies or series to their standard names. It is important that series have good names and episode identifiers. Similarly, it is important that movies have a good name so that the list can be matched as good as possible.
Just drop the series folder of movies in the left list, right-click Match, and select The TVDB. After FileBot found the title in the online database, click on Rename. If FileBot asks you to validate the name, do so, and click continue.