When Homer loses his job at the plant, he takes over the ice cream truck business; Marge battles her depression by making sculptures from popsicle sticks.
Marge forces Bart to attend Nelson's birthday party after he persuades his friends not to go, and they become best friends.
Homer gets into a brawl at a holiday ice-skating show; Gil accidentally gives away a gift meant for his boss's daughter.
Lisa is chosen to represent the school at City Hall after embellishing her heritage as an American Indian for a school project; Bart gets a driver's license.
An eccentric documentary filmmaker (guest voice Eric Idle) chronicles the growth and development of Springfield; Homer tries out odd jobs in search of success.
When Homer stops paying his nursing home, Grampa moves in with Selma; Bart and Lisa con a delivery man into giving them cardboard boxes.
A candle on Homer's birthday cake starts a fire; Homer joins the paparazzi after accidentally capturing a celebrity dating scandal in a photograph.
When Marge starts using the Internet, she joins a popular role-playing fantasy game; Homer volunteers to referee Lisa's soccer game.
Maggie causes destruction in the house after Marge throws away her pacifier; Homer becomes a volunteer firefighter.
After rescuing Homer when he is lost in a cornfield maze, Santa's Little Helper goes to police-dog academy.
Counter Truancy Unit agents Jack Bauer and Chloe O'Brian help Bart and Lisa stop bullies from releasing a stink bomb.
Ned wages an anti-indecency campaign against Kent Brockman.
Bart and Lisa organize a celebrity-studded comeback special for an out-of-work Krusty the Clown.
Homer recounts his trials and tribulations as a member of a barbershop quartet.
"Sideshow Bob" returns to Springfield for revenge against Bart for exposing his murder plot.
Homer is forced back into college after he fails a competency test at the power plant.
After a trip on Mr. Burns' private plane, Homer enlists the aid of a life coach (guest voice Stephen Colbert) to help him find a job that allows him to use a corporate jet.
After Homer injures himself in a fall, he develops a talent as an opera singer.
Marge undergoes a counseling program that helps parents raise their children to be independent at an early age; Homer becomes a tow-truck driver.
Caught in a bank robbery, Marge convinces the criminal (guest voice Steve Buscemi) to turn himself in by promising to visit him in jail.
Homer, living a double life as a secret agent, must kill Kent Brockman; Bart and Lisa help Kodos reconnect with his home planet; Flanders decides to spook Springfield's children.
Milhouse starts to act like a man when he thinks his parents died at sea; Homer cannot remember the color of Marge's eyes.
On his birthday, Mr. Burns longs for his favorite childhood toy.
Marge and her new neighbor have a girls' night out and end up on the wrong side of the law.
Homer and Marge take Bart to a self-help seminar to alter his rebellious behavior.
Bart and Homer go on a father-son rafting trip and end up hopelessly adrift at sea.
Homer's marriage to Marge is tested when a beer-guzzling, doughnut-eating female arrives at the plant.
Springfield legalizes gambling; Burns opens a casino; Marge becomes a gambling addict.
Fed up with Springfield's finest, Homer forms a vigilante group to catch a cat burglar.
Bart stumbles into stardom when he lands a walk-on role on the "Krusty the Clown Show.".
Homer's guilt prompts him to fulfill Lisa's dream of owning a pony.
While teaching Maggie to talk, the Simpsons reminisce about Lisa's first word.
Advertising statues attack Springfield; the school janitor terrorizes children in their sleep; Homer creates a black hole.
In Florida, Homer gets swept up in spring break revelry and accidentally runs over a legendary swamp alligator.
Marge's wealthy ex-boyfriend offers Homer $1 million for a weeklong tryst with her.
When a graveyard is relocated to the lot next to the Simpsons, Lisa has nightmares that prevent her from sleeping.
Homer and Apu travel to the Himalayas to find Kwik-E-Mart headquarters and get Apu's job back.
Lisa files a sexual discrimination suit against a doll manufacturer.
Barney and Homer compete to become the first average American in space.
Homer decides to become Flanders' new best friend after attending a football game with him.
A friendly comic-book buff (guest voice Jack Black) treats Bart, Lisa and Milhouse like royalty; Marge launches a gym for ordinary women.
TV commercials influence the Simpsons to go to a rib restaurant where Sideshow Bob (guest voice Kelsey Grammer) is waiting in an elaborate hoax to lure them to their doom.
When a potent drink erases the last 24 hours of his memory, Homer seeks help to try to piece together the events that led to his family being gone.
Homer destroys Springfield's fast-food district; Mayor Quimby decides to have an early election.
To celebrate Valentine's Day, Homer takes Marge to the tunnel of love at a carnival, but when Bart pulls a prank they become hopelessly stranded; Homer tries to cheer Marge up by telling her a love story.
Bart suspects that one of his friends is a rat when his seemingly fool-proof pranks start to backfire; Homer grows very attached to the fancy loaner car he gets after Marge damages their vehicle in an accident.
Marge hires a nutritionist, who puts Homer on a diet, but Homer decides to sneak in snacks on the side; the prank Bart and Lisa play on Martin Prince goes terribly wrong.
Lisa persuades Marge to pursue her childhood dream of becoming a ballerina by auditioning for a ballet academy; Homer shows Bart his secret room where he manufactures beef jerky.
When Mayor Quimby realizes the city of Springfield has gone broke, Lisa goes through the town's financial records and discovers millions in uncollected city taxes; Marge reluctantly allows a fugitive to stay with the family.
Bart tries to save a cow from the slaughterhouse; Homer and Marge devise a plan to stop Bart from getting married.
When Lisa enters a documentary about her family in the Sundance Film Festival, Homer, Marge and Bart are embarrassed by the candid look at their lives.
When Homer's mother dies unexpectedly, he decides to fulfill her final wishes by scattering her ashes over Lake Watershed at Springfield Monument Park.
Bart chooses a full-grown elephant as his prize when he wins a radio contest.
After experiencing a close call, Mr. Burns realizes he has no heir and holds auditions to select one.
Bart's pranks get Principal Skinner fired; Flanders is the replacement.
Bart faces a difficult decision when he witnesses a crime while playing hooky.