South Park - Season 2 - Eps 7: City on the Edge of Forever (Flashbacks)
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.
About South Park

Title: South Park
First Air Date: 1997-08-13
Last Air Date: 2025-08-06
Status: Returning Series
Rating: 8.355/10 (from 4632 votes)
Language: EN
Seasons: 28
Total Episodes: 326
Network: Comedy Central
Genres: Animation, Comedy
Production Companies: South Park Studios, Comedy Central, Braniff Productions, MTV Entertainment Studios, Parker-Stone Productions
Synopsis
Follow the misadventures of four irreverent grade-schoolers in the quiet, dysfunctional town of South Park, Colorado.
Cast

Trey Parker
Eric Cartman / Stan Marsh (voice)

Matt Stone
Kyle Broflovski / Kenny McCormick (voice)

Mona Marshall
Sheila Broflovski (voice)

Jennifer Howell
Bebe Stevens (voice)