"The Thing and I" Bart discovers that he has an evil Siamese twin. "The Genisis Tube" Lisa's science project evolves into a life form that attacks Bart. "Citizen Kang" Aliens take over the presidential election.
Homer is offered a new job and forces the family to relocate. But once he moves he starts to suspect his new boss is a super-villain.
When Homer discovers that he has an amazing gift for taking a punch he decides to become a professional boxer.
Homer comes up with a plan to put Mr. Burns' illegitimate son back in his bosses good graces, but the plan backfires and Homer is accused of kidnapping.
Marge and Lisa go to help clean up after an oil spill leaving Bart and Homer to run the house.
Milhouse's parents ruin Marge's Thanksgiving dinner by announcing their divorce over the meal.
Lisa developes a crush on Nelson and then tries to change his bad boy ways.
A hurricane destroys the Flanders' house so their neighbors rebuild it for them. When Ned criticizes their workmanship, his own guilt puts him in a mental hospital.
Homer goes on a hallucinatory, spiritual journey after eating some of Chief Wiggum's chili.
Agents Scully and Mulder come to Springfield to investigate a report of an alien visit. Since the report comes from Homer, they lose interest and leave.
Marge is sold on "mobile pretzel retailing" by a smooth talker, but sales quickly go soft.
While on a company mountain retreat, Homer and Mr. Burns become trapped in a cabin by an avalanche.
When Marge's hair start falling out because of stress, the Simpsons hire a singing nanny.
A new character is added to the Itchy and Scratchy show, and Homer provides the voice.
The Simpsons make a new friend, but Homer worries about his influence on Bart after they discover that he is gay.
Sideshow Bob is released to work for his brother who still holds a grudge against him.
Lisa gets a reputation as a first class baby sitter, so her parents leave her in charge of Bart and Maggie when they go out.
After Bart gets drunk in public on St. Patrick's Day, Springfield enforces its long ignored prohibition law.
Bart catches Skinner and Mrs. Krabappel kissing and makes a deal with them to keep quiet. When they push him too far, he blows the whistle and they are both fired from the school.
Bart gets a phony credit card and buys the perfect dog, but when his purchases are repossessed, he sends Santa's Little Helper in the new dogs place.
Mr. Burns finds that he is penniless from bad investments, so he asks Lisa to help get back on track.
Marge gets the job of counseling parishoners after she criticizes Rev. Lovejoy for being out of touch.
A hard working new employee at the plant looks to drum Homer out of the company. Meanwhile, Bart buys an abandoned factory.
At the request of Fox, the "Simpson" producers come up with some spinoffs to help beef up the schedual. Shows include: "Chief Wiggum P.I.", "The Love-Matic Grandpa," and "The Simpson Family Smile-Time Variety Hour."
Bart is sent to military school to deal with his discipline problem. When Lisa sees the classrooms, she wants to enter the school, but she doesn't count on the physical part of being a cadet.