Mystery Science Theater 3000
(Also known as MST3K)
This show is kinda cheesy... But it is great! Sometimes it's just so funny. Some jokes I don't get because I am Australian & some names I don't know.
Basically it's a show where 3 people speak over a bad film, and make fun of it.
Here's a full episode, and hopefully a good example:
MST3K 904 - Werewolf
http://www.youtube.com/watch?v=u8lzvSbAnywBeware, it grows on you.