High Quality Content by WIKIPEDIA articles! "Pranks and Greens" is the sixth episode of the twenty first season of The Simpsons. It 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. Meanwhile, Marge is chastised by the women in her social circle for not serving healthy snacks.