Pranks and Greens

Pranks and Greens is an upcoming Season 21 episode. Jonah Hill will guest star in "Pranks and Greens" as an adult named Andy, who was a former Springfield Elementary student and was the best prankster during his day.

Plot
Fed up with Bart’s constant pranks, Principal Skinner tells him there is a former Springfield Elementary student who is hailed as the best prankster ever, even better than Bart. When Bart finally tracks down Andy Hamilton (guest voice Jonah Hill), a 19-year-old who hasn’t grown out of his pranking days, they become fast friends.

Pranks and Greens