Nov 14 2017 From: South Park Episode: A History Channel Thanksgiving (2011) (Season 15, Episode 13) You're watching The History Channel, the only network dedicated to history. Coming up next, it's Monster Quest, aargh, followed by Hairy Bikers, grrr. But now, back to Part 3 of Ancient Aliens At Thanksgiving. Trey Parker (TV Announcer) #Television#History#Thanksgiving#Monsters#Bikers