Don t mess with Bart Simpson, if you know what s good for you! 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.