Random Episodes
Terrance & Phillip in Not Without My Anus
The show starts off with the build up from last season's cliffhanger revolving around Cartman's paternal origins. However, just as it seems they are about to get on with the second half of "Cartman's ... 
The End of Serialization As We Know It
Cartman finally understands why Heidi wants to get him to Mars. 
Fort Collins
An entire city in Colorado gets hacked. Gerald and Cartman may lose everything when their complete history of internet activity becomes public. 