Confined to his room with a broken leg, Bart suspects Ned Flanders of murdering Maude; the family's new swimming pool earns Lisa popularity among the neighborhood kids.
When Sideshow Bob is released from prison and is elected Mayor of Springfield, Bart and Lisa suspect foul play and are determined to expose his corruption.
The family's job at Mr. Burns' country estate goes awry when Homer goes mad; Homer's attempt to repair a toaster results in inadvertent time travel; The school staff turn cannibalistic.
After refusing to pay for a collect call, Bart must travel down under to repair US-Australian political relations, but is unprepared for the punishment awaiting him.
Marge joins the Springfield Police Department to fight crime and corruption, only to find herself rescuing Homer when he gets mixed up in a counterfeit jeans operation.