The End of Serialization as We Know It (S20E10)

Cartman finally understands why Heidi wants to get him to Mars. As TrollTrace goes live, Sheila logs on to see Gerald's on-line activity. At SpaceX, Cartman tries to convince the scientists that going to Mars is a bad idea. And defying their mom, Kyle and Ike get all the kids together to try to save the world from certain destruction. (Comedy Central)