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After Marge introduces Lisa to the'90s teen dramaKeagan's Pond viaDVD, she also shows her some of the old clothing she used to wear as a kid. Lisa likes the retro style and wears it to school, where a group of fashionista kids love her new look. But soon Lisa abandons her mother for her new friends and accidentally gives them the idea to raid the closets of other Springfield mothers to get retro threads. Meanwhile, Homer discovers amacho action drama show namedClincher and gets hooked on watching it.

When attempts to stop the children ofSpringfield Elementary usingA.I. to cheat cost Superintendent Chalmers his job, he becomes a janitor at the nuclear plant and discovers thatslime excreted by giant radioactivesnails there can be used as a miracle skin-care product.

Three different stories are told:

• "The Last Days of Crisco": In a parody ofThe Blob, a fat-eating monster emerges from the sewers. With Chief Wiggum being its first victim, current Chief of Police Lou tries to warn the town about.
• "The Clown Night of the Devil": In 1995 as a parody ofLate Night with the Devil, Krusty the Clown's Halloween special gets disrupted by the Devil who starts possessing different attendees.
• "Plastic World": In a parody ofWaterworld with elements of theMad Max franchise, plastic items have covered the world as everyone struggles to survive while contending with those that were thought dead who have been turned into Plastic People.

The men of Springfield are in a crisis of masculinity, becoming lazy and lazy good-for-nothings, which prompts Marge to send them to a Man Camp to understand empathy and the feelings of women.

Finding nothing good to watch on television, the Simpson family recount the time when Homer’s bad parenting led to 6-year-old Bart's first prank, which then saw Bart almost taken away to be put injuvenile detention when he ismisdiagnosed as apsychopath.

Bart ends up lovingProfessor Frink's home laboratory, which led to him becoming his assistant, and the Simpsons accompany Frink to his college reunion.

In an election to see who will run forstudent council president at Springfield Elementary School, Bart runs against the son ofMayor Quimby named Joe Quimby III. Flashbacks show Mayor Quimby's early life being brought up by his father Joe Quimby Sr. as well as his brief marriage to Beatrice Bouvier.

In this episode that evokes the elements ofTrap, Mr. Burns opens a new high-techconcert hall and Lisa's favouriteK-Pop band Kneesock Dolls are one of the first acts to hold a concert. But when aticket scalper known as "SeatMiser" buys up all of the tickets and resells them, Homer does what he can to get Lisa to see the Kneesock Dolls while Mayor Quimby hires anFBIProfiler to help Chief Wiggum catch SeatMiser who is someone they'd least suspect.