In this episode, Otto, the school bus driver, accidentally crashes the bus. Homer starts driving a carpool for the school kids. After Bart complains about his music tastes and a disappointing trip to the music store, Homer decides to try to become more in touch with music by taking the kids to Hullapaloosa. After getting hit by an inflatable pig, Homer is recruited in the freak show to get blasted by cannonballs. After touring for a while successfully, Homer feels sick right before a performance for Springfield. He finds out that he could die if he gets hit by one more cannonball. Homer, determined to perform, decides to do it anyway. However, right before the cannonball hits him, he jumps out of the way. He is booed by the crowd, but his family is happy.