While their school bus is dangling on the edge of a cliff, the boys remember some of their past adventures. Mrs. Crabtree catches a ride into town with a stranger and winds up doing a brief stint as a standup comedienne. Back in South Park, Mr. Mackey convinces the parents that their missing children must have run away. In the end it's all a dream within a dream.
Keywords: adult-animation , adult-humor , best-friend , censorship , colorado , controversial , elementary-school , group-of-friends , hilarious , irreverent , offensive , parody , satire , sitcom , social-satire , absurd , watch-series-online , amused , joyous