MetaZ might be what you are looking for, I used to use it for everything when I used iTunes, but I don't use it that often anymore since switching to Plex, as Plex does a really good job at matching a a TV show and movies based on the filename.
I still use it for Music Videos and special features on TV shows.
Or are you trying to save yourself the trouble of renaming the files yourself?
Filebot is a tool that helps you organize and rename movie, anime, and TV files. It is also great for fetching subtitles for movies and TV shows you have downloaded. It pulls TV titles from