Random Episodes
Buddha Box
Cartman has been diagnosed with anxiety and he just can't deal with people any longer. They get in the way of what's most important in his life. 
HUMANCENTiPAD
Kyle is intimately involved in the development of a revolutionary new product that is about to be launched by Apple. Meanwhile, Cartman does not even have a regular iPad yet. He blames his mother. 
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... 