I'm going to take the coward's way out and hate on an anime that nobody else has heard of:
Tamala 2010: A Punk Cat in Space. It's an artsy, pretentious, BLACK AND WHITE FLASH ANIMATION that came out in 2002 and has yet to see an official English release. I had the misfortune of sitting through it at a convention several years back, and I have never wanted 90 minutes of my life back that bad. It is hands down the slowest, dullest, most entertainment-free anime I've ever witnessed. There's a lot of anime I just plain dislike, but Tamala 2010 is the only one that just plain should not ex