Worried about his health, Mr. Burns visits the Mayo Clinic. He lets Homer housesit his mansion, which leads of course to an offshore knife fight and an attack by Chinese pirates.

Homer and Bart become father–son con artists (after Bart is given money out of pity when Homer decided to not take him home), but soon find that they are the ones being had.

After spraining his knee during a basketball game, Homer begins taking care of the neighborhood kids to cure his boredom, prompting jealousy from Bart and Lisa, who feel that Homer is giving the kids the attention they never had.

Bart befriends Rainer Wolfcastle's daughter Greta. She has a crush on Bart, but he does not seem to realize it and eventually stops seeing her. Seeking revenge, Greta begins dating Bart's best friend Milhouse, which causes Bart to start missing her. She leaves for Toronto with her father, and Bart convinces his family to follow them there.

While faced with community service for abusing an endangered insect, Homer begins assisting an elderly woman named Mrs. Bellamy. One night, Mrs. Bellamy is murdered, and Homer and Marge are accused of committing the crime.

Homer becomes depressed when he sees that Ned Flanders seems to be better off than him. To remedy this, he begins to pray constantly. Meanwhile, the Simpsons discover that tree roots have clogged up their plumbing. The house becomes too run down to live in, and Homer prays for a solution. Homer is injured while attending church; he sues Reverend Lovejoy and is awarded the deed to the church. He throws a huge house-warming party, in which all of the partiers drink and engage in sinful activities. It suddenly starts raining and the town begins to flood. The townspeople flee to the roof of the church. Homer tries praying again but the flood keeps rising. Reverend Lovejoy returns in a helicopter and leads everyone in prayer, asking God to forgive them, and the rain stops.

After destroying Flanders' shrine to The Beatles, Bart and Milhouse are punished by being put in community groups. Bart joins the Pre-Teen Braves along with Ralph Wiggum, Nelson Muntz and Database. Led by Marge, they start engaging in community activities. However, they soon become rivals with The Cavalry Kids, led by Milhouse. The two groups try to outdo each other and become involved in a contest to sell the most candy. The Cavalry Kids win the prize of singing the national anthem at a baseball game. However, the Pre-Teen Braves pretend to be The Cavalry Kids and sing their own version of the national anthem. As the crowd becomes enraged, the real Cavalry Kids arrive and a massive stadium-wide brawl erupts. Marge becomes upset, and the fighting ends when an image of her crying is shown on the JumboTron.

Bart gets expelled from school and transfers to a Catholic school, where a hip priest named Father Sean tries to convert Bart and Homer to Catholicism, which worries Marge when she believes that Catholics do not go to the same heaven as Protestants and discovers that Catholic women do not use birth control.

Marge goes on a cleaning frenzy before the housekeeper she’s won the services of comes to the house. One spot remains and she mixes a number of toxic cleaners together to tackle the job. The noxious mixture knocks her out and she wakes up suffering from amnesia. Marge is taken home and the family tries to bring back her memory. She starts to get back memories of her children and other insignificant things, but when it comes to remembering her husband, nothing he does seems to jog her memory. When he can’t get her to remember him, he tries to win her all over again, especially after Patty and Selma get her back out on the dating scene.

Homer learns three lessons about revenge from stories told by Marge, Lisa and Bart that parody "The Count of Monte Cristo," "Revenge of the Nerds" and "Batman Begins."

A freak accident gives Homer an operatic singing voice, and he becomes a star at the Springfield Opera. But with fame and fortune comes a price: He's continually bothered by fans, an obsessed woman in particular.

Homer burns down Springfield's fast-food district. In order to float a bond issue to rebuild it, Mayor Quimby moves up election day, making Springfield's primary election the first in the nation. This causes the town to be overrun with reporters, candidates and pundits.

An irreverent take on the Prince and the Pauper. Bart enthusiastically trades lives with a wealthy lookalike after landing himself in trouble for triggering a rampage of vacuum cleaners, but finds the lavish lifestyle too much when he becomes the target of all his new friends' pranks.

When Marge learns Springfield Elementary is the worst school in the state, she and Homer rent an apartment in the upscale Waverly Hills school district so Bart and Lisa can attend a better school. Meanwhile, Homer moves into the rented Waverly Hills apartment and gets used to the bachelor lifestyle.

Grampa is sitting on a bench waiting for his family when a thoughtful-looking man named Marshall Goldman approaches him and asks to hear about his life. Grampa tells Goldman about the time he was on a World War II battleship, which was hit by an enemy torpedo, and Goldman, a human-interest columnist, publishes it in The Springfield Shopper. Later, Grampa meets Mitch Albom and shares another story with Goldman for a follow-up article. Homer becomes jealous of Grampa's newfound fame and seeks a surrogate father. But when Homer discovers a draft of Goldman's third story, he must race to find Grampa before it is published and his life is changed forever.

The Simpsons family vacation in Israel with Ned Flanders, but Homer does not appreciate any of the culture—until an Israeli tour guide named Jakob shows him around and, in a severe state of dehydration, Homer believes he is the Messiah.

Bart helps nurse an injured pigeon back to health. After Santa's Little Helper eats the bird, Bart has a hard time coping with the loss. Worried that Bart needs some help getting over the loss, Marge and Homer take him to a therapy session with Dr. Thurston, who advises that the only cure for Bart’s blues is to give away the family dog, but when the Simpsons visit the pup’s new home, a shock causes them to rethink their decision.

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

Krusty the Clown becomes depressed after getting fired from his television show for being unpopular with children. The Simpson family encourages him to make a comeback, suggesting that he seek help from an agent they met earlier at a television museum. This agent turns out to be Annie Dubinsky, who was Krusty's first agent and former girlfriend.

Mr. Burns replaces all of Springfield Power Plant's employees with robots (guest voice Brent Spiner) but decides to keep Homer as the sole human worker. With unemployment at an all-time high and mechanical arms operating the workplace, Springfield becomes a dismal and humorless place. But when Homer's machine-programmed peers start to turn on the community and his former real-life employees come to the rescue, they all realize that robots can't replace human friends.

Bart's dream girl, Mary Spuckler, comes to town, but his failure to pay her enough attention is having a negative impact on their relationship. Meanwhile, Homer once again runs afoul of Marge and lands in the doghouse.

Marge encourages Homer to cross an item off an old to-do list by inviting an old pen pal to visit; Lisa institutes an honor code at school.

A recent transfer student named Diggs rescues Bart from a confrontation with bullies.

Marge swears off befriending any more couples when Homer offends their charming new British neighbors, but when Lisa declares that she, too, doesn’t need friends, Marge reconsiders.

When Marge gets fed up with the thankless duty of chauffeuring her kids around, she begins working as a driver for a transportation app service. Meanwhile, Homer bankrupts Moe when he watches over the bar for one night, which forces Moe to take a temporary job as a janitor at the nuclear plant.

When a modernized Springfield Elementary has a technical meltdown, Lisa transforms it into a Waldorf school. Meanwhile, Groundskeeper Willie becomes the coach of the mathletes.

Homer recalls a tense family vacation to the Grand Canyon with the Flanders family. At first, the Flanders’ perfection puts the families at odds, but when they get stranded and Ned and Bart go for help, the families finally bond.

Lisa and Bart investigate Krusty’s suspicious new "Krustaceans" candy. Meanwhile, Homer wants a promotion at the nuclear plant and asks Marge to help him dress the part, and news anchor Kent Brockman struggles to find his feet in the changing media world.

Bart gets in trouble on Grandparents Day at school and is forced to hang out with Skinner's mother as punishment. After spending time with various grandmas in the neighborhood, he learns the benefits of hanging out with the elderly, but eventually recognizes the dangers of taking advantage of them. Meanwhile, Peekimon Get has taken over the town of Springfield.

Homer and the guys try helping Moe cheer up by getting their old bowling team back together again, but they soon face a team of arrogant millionaires.

The Simpsons go to Denmark so Grampa can benefit from its free health-care system.

Marge wants a job, and stumbles into becoming a plastic food storage container-selling drag queen. Meanwhile, Lisa tries to make the world better in the style of "Amelie"

Marge becomes director of Springfield's local theater, armed with Lisa's script resembling "Hamilton"; Homer joins a baby class with Maggie, and he takes a liking to supervisor Chloe.

During the San Castellanta street festival, much of the town finds their wallets have been pickpocketed; after the state investigator puts the wrong man in jail, Chief Wiggum sets out to catch the real criminal and show he's still up for police work.

When Marge implements a screen time limit for the family, she realizes that she is the one addicted.

Homer is tempted by a British femme fatale while Marge and the kids are on a seaside vacation.

Bart becomes a successful caddy, but Marge worries it is ruining his character.

Bart makes a new friend.