Homer joins the "Springfield Preppers," an off-the-grid survivalist group whose leader has set up a top-secret retreat outside of town to prepare for the end of the world.
Bart poses Millhouse as his father so that they can do adult activities, and Homer becomes skilled at finding lost objects thanks to Highlights magazine.
Homer's obsession with the TV show "Storage Battles" leads the family to discover Grampa's past identity as "Gorgeous Godfrey," the most feared, villainous man in pro-wrestling history
When Bart is accused of a prank he says he didn't commit, Lisa is forced to defend him in youth court, with former attorney general Janet Reno serving as judge.
Homer contemplates his next move after getting in the doghouse with Marge, while Millhouse's new Stanley Kowalski-inspired persona makes him suddenly attractive to Lisa.
A new makeover could put Moe in a position to make big money, Bart fails at his job of taking care of Grandpa, and Lisa fights the shameless exploitation of Bleeding Gums Murphy's likeness.
Homer is stunned to learn he'll only live once. A pen pal from his youth helps him live that life to its fullest. Meanwhile Springfield Elementary institutes an honor code.
Homer helps take care of a child that he delivered in an elevator, and Lisa tries to organize the Springfield Atoms cheerleaders against the team's greedy owner.
Lisa is distressed when she discovers that her new friend is a Republican, and they wind up running against each other as Springfield Elementary's second grade representative.
Principal Skinner promises the students that the best-behaved can take a ride in a submarine. Bart believes his past indiscretions will be forgotten. Lisa tries to help Krusty by suggesting him to sell the foreign rights to his shows.