Homer falls in love with private planes after taking a flight to Chicago with Mr. Burns. So Marge hires Homer a "life manager" to help him think positively and find a job that will allow him to fly for a living.
Homer becomes an opera star after an injury improves his singing voice. His newfound popularity forces him to hire a personal assistant, who turns out to be an obsessed stalker.
Marge promises to visit a convicted bank robber in prison, but is afraid to follow through. But when the convict escapes from prison, Marge is the first person he pays a visit to.
Milhouse's parents are lost at sea, which causes him to become a troubled loner. But his new persona makes him the new most popular kid at school, which sparks jealousy in Bart.
When Marge becomes a successful businesswoman, Homer becomes worried that she will dump him for a trophy husband. Therefore, he decides to have plastic surgery to make himself look like a hunk.
Homer goes to Dr. Frink to help him recover his memories from the night before, and he discovers, based on his interpretation of the memories, that Marge is having an affair.
Springfield becomes the site of the first presidential primary. The townspeople soon get sick of all of the presidential candidates sucking up to them, and decide to support their own write-in candidate: Ralph Wiggum.
Homer and Marge tell the kids about their life in the early 1990s before they were born, when Marge was enrolled in Springfield College and Homer was the lead singer of a grunge rock band.
The new prankster in Bart's fourth grade class actually turns out to be a mole brought in by Principal Skinner to infiltrate Bart's inner circle. Homer falls in love with his loaner car after Marge wrecks their old one.
One of Bart's pranks results in Martin's death, but Lisa doesn't want him to confess because she would be considered an accomplice. Marge hires a television crew to find out if Homer is cheating on his diet.
Marge has Lisa take up ballet, mainly to have Lisa live out her own childhood dreams. Lisa then succumbs to peer pressure from her ballet mates and takes up smoking. Meanwhile, Homer and Bart try to start their own beef jerky business.
When the Simpsons discover that Lurleen Lumpkin is on the skids, Marge reluctantly agrees to take her in and help her find her deadbeat dad who abandoned her 30 years ago.
Bart tries to save the cow he raised for his 4-H club from the slaughterhouse, and in the process winds up getting accidentally engaged to one of Cletus's daughters.
Lisa's documentary about her family is accepted into the Sundance Film Festival. However, her family gets upset with her when they discover that the film is far from flattering.
Homer's mom dies, and as part of her will, she asks him to spread her ashes. However, her request turns out to be part of her final act of rebellion against the system.
In a parody of "All About Eve," Lisa stabs Krusty in the back, takes his job, and wins a prestigious award. Meanwhile, Homer and Bart take up coin collecting.
