"Call of the Killer Whale," a two-hour documentary airing on PBS, begins by focusing on the story of the world's most famous killer whale, Keiko, the star of the film "Free Willy," who was famously set free after being rescued from a Mexican circus. Keiko's story is useful to illustrate the challeng…

Bugs and Daffy perform and act out their own version of the classic "Carnival of the Animals."