The sitcom South Park debuted on Aug. 13, 1997. It is Comedy Central's highest-rated and longest-running show. South Park has received a Peabody Award as well as four Emmy Awards. Courtesy of Comedy Central hide caption

itoggle caption Courtesy of Comedy Central

This short-horned chameleon in Madagascar stars in "Reptiles & Amphibians," one of the 11 segments of the Discovery Channel natural history series Life. It premieres simultaneously on TLC, Animal Planet, Science Channel, Investigation Discovery, Planet Green and Discovery Health Channel at 8 p.m. EDT on Sunday, March 21. Inaki Relanzon/naturepl.com/Discovery Channel/BBC hide caption

itoggle caption Inaki Relanzon/naturepl.com/Discovery Channel/BBC

The documentary Game of Death, broadcast Wednesday in France, shows participants in a game show obeying orders to deliver increasingly powerful electric shocks to a man until he appears to die. The reality show was actually a fiction and the man an actor (Laurent Le Doyen), but the contestants and audience didn't know. Christophe Russeil/HO/AP via FRANCE 2 hide caption

itoggle caption Christophe Russeil/HO/AP via FRANCE 2

Timothy Olyphant plays a U.S. marshal who gets transferred back to his Kentucky hometown after outdrawing and killing a bad guy in Miami. FX/Sony hide caption

itoggle caption FX/Sony