5x10 How to Eat with Your Butt
First Aired: Nov. 14, 2001 on Comedy Central
Summary: Kenny plays a practical joke during school photo day, and Cartman takes it a step further. The joke causes a couple from Wisconsin to arrive in South Park, looking for their long lost son. Cartman sees something which causes him to laugh so hard that he actually loses his sense of humor.
Guest Stars[no credits found]