The eccentric creators of South Park – the sharpest, raunchiest cartoon ever created – busted in on the first day of an NYU “Storytelling Strategies” class as part of the MTV show “Stand In,” where celebrities come and teach a college class for a day. Genius. And I don’t think it gets any better than Matt and Trey. You can check out the episode when it premieres on October 3, or preview it with this video.