After a rival mob family shoots Fat Tony (guest voice Joe Mantegna), Homer becomes the new kingpin.
When Bart's talent surpasses Lisa's, she gives up music and secretly starts rescuing animals, until one of her menagerie mauls him.
Marge's newfound talent in carpentry prompts her to go into business for herself, using Homer as the frontman.
Homer turns into a rampaging blob after eating green goo; Bart brings to life Golem, a creature from Jewish folklore; a fake radio-broadcast convinces Springfield residents that there is an alien invasion.
Homer falls prey to Army recruiters and lands in basic training; after infuriating his hard-nosed colonel (guest voice Kiefer Sutherland), Homer is put in charge of the war games.
Lisa helps Moe become a published poet, but when a literary conference features him, he takes all the credit for his success.
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.
Homer and the kids take depressed Marge on a surprise trip to Barnacle Bay, only to find it a rundown mess.
After the car breaks down, the family tells tales of revenge gone wrong, including one about nerd revenge at Springfield Elementary.
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.
Principal Skinner offers Lisa a chance to tutor Cletus' kids; Bart tries to scare his peers out of the cafeteria by claiming it is haunted.
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.
Bart leads his Little League team to the championship game; a department store owner hires Homer as a salesman.
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.