Pilot Candidate - Jesus...that show just sucked beyond sucking. it was like...wow, so lame.
Half the Gundams - there were just far too many of these damn shows. I think there should be a law that instates only 3 Gundams for every decade.
DBZ - should have ended after Cell. The show really hit a wall after that and never recovered.
Naruto/Bleach - Already have been done (see: DBZ/Yu Yu Hakusho)
Rurouni Kenshin - you took away from Samurai X's greatness, you campy, bug-eyed sorry-excuse for an anime.
Pokemon after Brock left - really? you're gonna take away Brock? You s