I screwed up all the meta data for all of my iTunes downloaded TV shows. Is there a way to repair it? 
Someone correct me if I'm wrong but there's nothing that can repair the meta data, so you would have to just basically redo all the tagging.
You might have an old itunes Library XML file that you can resort to. I back mine up every week.
That's what I was afraid of.
Sigh...Time Capsule is in the mail.