South Park Season 1, Episode 6: Death

Stan's Grandpa Marsh asks him to assist his suicide but Stan refuses. Meanwhile, Sheila Broflovski calls for a boycott of Terrance and Phillip in protest of its toilet humour. Kenny's explosive diarrhea spreads to the whole town. Grandpa Marsh convinces Stan to kill him. The boys try to help him, until Death shows up and begins to come after the boys ignoring Grandpa.