13. Everyone Is Tired Of That Richard Gere Story (Season 9, Episode 5 - The Cartridge Family)
Everyone's heard that urban legend about Richard Gere shoving a gerbil up his butt, right? The rumour persists even though the legendary actor has flat-out denied it, enough that The Simpsons even felt the need to address it, and of course, why wouldn't Bart be the one spreading it around school?