What was the most ridiculous anime you've ever seen? Why do you find it ridiculous to start with. If you hate it, be subtle.
Chuu Bra. Why? Well, the premise is so silly. A girl is so obsessed with underwear, she tries to start an underwear club. Despite how ridiculous this is:
[spoiler]I learned a lot about underwear because of this.[/spoiler]
But, wow, that was ridiculous...