Homer gets the lead in a movie about a superhero who can take on the powers of every superhero in any comic book he touches. To whip Homer into superhero shape, the studio hires a celebrity fitness trainer.

When the police are called to diffuse a rowdy crowd at Mr. Burns' estate, one of the officers recognizes priceless stolen paintings on the walls, and the maniacal billionaire is taken downtown for questioning. With Mr. Burns gone, Smithers takes charge of the power plant. But when employees take advantage of his good nature, he exacts revenge by forcing the employees to work night and day. These unfair working conditions prompt Homer and his crew to devise a plan to bust out Mr. Burns.

Lisa's school project leads to the discovery of a new drug that makes the elderly less cranky and more tolerable.

The tables are turned for Homer and Bart after a therapist cures Homer of his violent tendencies toward the boy.

The Simpsons host a tastemaker party at their home to promote Absolut Krusty, Krusty the Clown's own brand of liquor. Mr. Burns takes notice of the party's success and decides to promote Homer to "Account Man" for the Springfield Nuclear Plant.

Principal Skinner promises the students that the best-behaved among them can take a ride in a submarine. When Skinner gives all the kids a clean slate, Bart believes even his own past indiscretions will be forgotten if he doesn’t get into any more trouble. Meanwhile Lisa tries to help a cash-poor Krusty to turn things around by suggesting he sell the foreign rights to his shows.

When Retirement Castle is closed, Marge asks Grampa and two other octogenarians to move in; Nelson befriends Bart after Bart defends him.

When Lisa learns Springfield's anthem was stolen from another town she writes a replacement. Meanwhile, Homer learns the meaning of "Wide Pride".