Krusty talks about the untold story behind his film "The Sands of Space"; Bart and Lisa learn about some of the earlier years of their parents' relationship.
When the Simpson family is presented tickets to see a new Mel Gibson movie, Homer's critical review of the film has Mel hiring him to write a new ending.
Maggie is transformed into a demonic creature; Milhouse becomes trapped inside an alternate dimension and must be rescued; Homer's spirit roams the land.
Homer joins the Naval Reserve after being fired from the power plant, but when he causes problems on his submarine, he is considered by America to be a traitor.
When Moe finds himself deep in debt after spending all of his money on his girlfriend, Homer helps him out by committing insurance fraud but ends up in prison.
When Bart and Milhouse come across a rare comic book but can't afford to buy it, Martin decides to help them out so that the three of them can share it.
Bart suspects that his new partner in crime may be a snitch after his pranks start to backfire; Homer gets a luxurious loaner after Marge has an auto accident.
Bart reflects on his life from age six on, exploring his rocky relationship with Homer, the days when he was apathetic, and how Lisa has overshadowed him.
Bart is unaware of the fact that movie star Rainer Wolfcastle's daughter is infatuated with him; Principal Skinner decides to try his hand at stand-up comedy.
When a new educational expert divides the school into boys' and girls' sections, Lisa adopts a disguise in order to get into the more challenging classes.
Marge is stressed from motherhood and hires a British nanny to help out around the house, and to everyone surprise, she teaches Bart and Lisa how to behave.
Homer starts to feel left out when Mr. Burns hires the Simpsons to play his virtual reality live-in family without him; girl-next-door Julia impresses Homer.
Mrs. Krabappel, tells Marge and Homer about the things Bart has been doing, and Homer decides to punish him.; Bart is unable to see Itchy & Scratcy Movie.
In an attempt to stop Mr. Burns from continuing his fracking operation, Lisa brings in an Assemblywoman to oppose him, but Lisa's plan takes an unexpected turn.
Bart takes care of an injured pigeon, and Homer wants to enter him into a bird race, but Santa's Little Helper interferes; therapist makes a radical suggestion
A stranded Simpson clan entertains themselves with stories of revenge, including a tale of treason, a nerd uprising, and a thrilling crime-fighter saga.
Lisa gets her own television show, but soon wonders if show business is right for her; Bart and Homer bond over their new-found love of coin collecting.
The Simpson family tells classic tales of the sea, including the voyage of the Mayflower, a mutiny in Tahiti, and the dangers of capsizing cruiseships.
Bart inadvertently sees a new superhero film a month before its intended release, which makes the world fear his ability to spoil such an anticipated feature.
Maggie's body is taken over by the malice of an ancient demon; in an alternate dimension, Lisa stumbles upon a disturbingly perfect version of her family.
Bob is asked to cater for the wedding for a couple who fell in love at the restaurant, but when the event's plans go awry, Linda tries to salvage the situation.
Meg turns 18 and Quagmire decides to pursue her as his next romantic conquest, but Peter will stop at nothing to come between his daughter and his friend.
When Stewie's friend falls ill, Lois takes him to the hospital and finds out he has a critical disease but his parents refuse treatment due to their religion.
When Peter decides to become an actor, he becomes Tom Tucker's agent as his first step toward stardom; Chris dates a girl who looks like a member of his family.
After becoming paralyzed, Bender receives an opportunity to go on tour with his favorite folk singer and act as a hero to all of the world's broken robots.
Fry starts a romantic relationship with a robotic clone of actress Lucy Liu, but problems arise when his friends discover the truth behind robot clones.
When Leela is signed to the New New York Mets, she is overjoyed to be the first female major league blernsball player and draws a huge crowd at the games.
Bender worries that no one will remember him when he dies, but he encounters a chance to leave a legacy when he discovers a planet in need of a new pharaoh.
After accidentally being launched into space, Bender encounters a race of tiny humanoids that sees him as a deity; Fry and Leela try to find their lost friend.