"Apocalypse Cow" is the seventeenth episode of the nineteenth season of "The Simpsons". It was first shown on television on April 27, 2008 on the Fox network. 7.69 million people watched the episode. In the episode, Bart joins 4-H and saves a cow named Lou. He gives it to a girl named Mary and her father, Cletus Spuckler, thinks that Bart wants to marry her. Jeff Westbrook won a Writers Guild of America Award for writing the episode.