Honestly? See the homepage or the myriad of other threads on these forums.
They're still rebuilding their database so don't expect it to be fully working.
You can see the progress here:
http://thetvdb.com/?tab=reports
Series Waiting For Update: 11181
Sorry for this post if it was a "repost", I tried searching and the site didn't load at all these past 2 days, thanks for your answers :-)