First, Bart and Milhouse battle it out to be the Springfield Isotopes' new batboy, and when Sideshow Bob enacts a plan to humiliate Bart, it backfires on him in a big way! Then Bart gets his hands on Professor Frink's newest invention, and he discovers the need for speed...and a formula for disaster! And when the school bullies suffer from a deficiency of delinquent ideas, they enlist Bart's help to pull off the ultimate prank on the people of Springfield.