"Pranks and Greens" is the sixth episode of the twenty-first season of the American animated television series The Simpsons. It originally aired on the Fox network in the United States on November 22, 2009. In this episode, Bart tracks down an immature, college-aged man named Andy Hamilton who was once hailed Springfield Elementary's best prankster and encourages him to do something with his life. The episode was written by Jeff Westbrook and directed by Chuck Sheetz. It was watched by approximately 7.03 million viewers during its original airing.