Random Episodes
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... 
The Return of Chef
The town is jolted out of a case of the doldrums when Chef suddenly reappears. While Stan, Kyle, Kenny and Cartman are thrilled to have their old friend back, they notice that something about chef see... 
Franchise Prequel
Mark Zuckerberg helps the boys stop the spread of fake news. 