Random Episodes
The Problem with a Poo
Mr. Hankey's offensive behavior puts him in jeopardy of being fired as the Director of the Annual Christmas Pageant. 
Fourth Grade
The kids have to face the 4th grade, and they're not too happy about it. Cartman cooks up a scheme to go back in time to return to the 3rd grade where things were fun and easy. Two geeks help them rig... 
The End of Serialization As We Know It
Cartman finally understands why Heidi wants to get him to Mars. 