PranksAndGreens

Professor Skinner has seen it all -- including a better prankster than Bart. He tells him about former student Andy Hamilton (Jonah Hill) who goes down in Springfield Elementary as the best prankster.

Not to be outdone, Bart tracks down Andy, who is 19 years old and the two become quick friends. Seeing the negative side of a long lasting pranking career, Bart tries to change Andy's future. Marge feels like an outsider in her social group after being told everything she does is wrong.

Watch the full episode after the jump ...