High Quality Content by WIKIPEDIA articles! "Whacking Day" is the twentieth episode of The Simpsons` fourth season, and originally aired April 29, 1993. It concerns the fictional holiday "Whacking Day", celebrated annually May 10, in which the citizens of Springfield drive snakes into the town square, then club them to death. The episode was written by John Swartzwelder and directed by Jeffrey Lynch; Barry White, who had expressed a wish to appear in the show, guest stars as himself. It was pitched by the "animal conscious" George Meyer who wanted to create an episode against the mistreatment of snakes. The episode includes the first appearance of Superintendent Chalmers. It features an Itchy Scratchy parody of Oliver Stone`s JFK, and won a Genesis Award.