Cartman dreams he has a close encounter with an alien. The other boys are convinced the dream was real, and that he has been the victim of an alien a... probe.

"Casa Bonita," "Imaginationland," and "Fishsticks" are among the best, funniest, and most essential episodes of South Park.

South Park fans are still scared by one Season 20 scene that aired back in 2016 featuring Gerald and Sheila Broflovski.

Stan's ancient grandfather attempts to trick the boys into killing him; the parents of South Park lobby a TV network to rid the airwaves of Terrance and Phillip.