Book of Mormon-dum dum dum dum dum
Where they try to build a ladder to heaven just to ask kenny where that candy ticket is
Cartman Chistmas...with the adorable satanic animals :-D lol
The one about facebook xD
i don't watch often but the episode where all the kids were getting high on the smell of cat pee...i LMAO
that very episode?
The one with Cthulhu in it comes to my mind. I forget if it was a single episode or if the story was broken up into multiple episodes though.