He is in the episode "fat butt & pancake head".
"How to Eat With Your Butt" (Season 5 Episode 10)
There Isn't An Episode With Insane Clown Posse In It =( But I would Like To See Them In South Park!
The episode was Canada on strike and songs name is what what in the butt, This was episode 12-4 and he doesn't take it in the butt he just sings the "what what in the butt" song
The episode is called "The Entity" and is in Season 5.
He is in an episode called The Ring.
There never was such an episode.
The episode Canada on Strike (episode 4, season 12).
"Cartman Gets an Anal Probe", the first episode of the animated series South Park, originally aired on 13 August 1997.
you can watch every episode of south park is www.southparkstudios.com. Although, it will be hard to find the episode you want unless you know what the episode is called or what season it is in.
Something You Can Do With Your Finger
The South Park Episode where Ms. Garrison was Scissoring is called "D-Yikes!", Season 11, sixth episode in the season. it was aired out on 4/11/2007.