The Green Bag

Jean Luc Picard and the crew of the USS Enterprise battle Darth Vader and Emperor Palpatine...

I thought it was entertaining, and the effects were decent, but I know from experience that the cuts - especially the audio - can be done cleaner in Premiere than what you'll find here. Still, this is a pretty good cross-genre parody.

Found via: reddit, I think. Original post was on GOOFYBLOG