When Homer gets into trouble over his debts, Marge takes off to the beach where she meets a handsome marine biologist
The council move the cemetery next door to the Simpsons' house. Perturbed by her new neighbours, Lisa starts having nightmares. Can she conquer her fears?
Milhouse's parents get back together, but Milhouse is annoyed because he receives less attention from them. Will they stay together for good? Homer catches chicken pox.
Bart falls into a coma and is replaced by a well-behaved robot; Homer takes part in a deadly TV game show; and Lisa turns into Albert Einstein
After buying a tandem, Marge goes cycling with Bart. But it's not long before he's picked on at school for being a mummy's boy.
To make amends for dismissing Lisa's Father's Day gift, Homer dons a Safety Salamander suit for a campaign at her school - and ends up running for mayor.
Marge joins a women's group after Homer humiliates her at an Easter party and her old friends shun her. But are her new friends all they appear to be?
The family visit Italy to find Mr Burns a new sports car, but get stranded in a village where Sideshow Bob is the mayor
Homer gives his version of Jesus's birth, Grampa tells a Yuletide war story and the residents of Springfield prepare for Christmas
The Simpsons receive a long-lost letter, which suggests that Homer's biological father isn't Abe but Mason Fairbanks (Michael York), a British treasure hunter
Homer misses a trip to Las Vegas to drive Bart to a juvenile delinquent camp. Meanwhile, Marge gets into trouble at a car boot sale.
Lisa tries to transform Groundskeeper Willie into a gentleman after his shack collapses and he's forced to move in with her family
When they are trapped in a cave, Lisa tells Homer about a day she spent with Mr Burns after she was chased into his mansion by a goat
Marge babysits Rod and Todd but Ned questions Marge's parenting skills when she lets the boys play on a climbing wall. Bart is pulled into a chimp cage at the zoo.
Homer signs the family up for a Wife Swap show. Homer's new wife is controlling, while Marge moves in with her easygoing husband (voiced by Ricky Gervais).
Grampa costs Springfield the chance of getting a major football team. In his despair, he contemplates suicide and goes to a doctor specialising in euthanasia.
Mr Burns outsources the plant to India and puts Homer in charge of training the workforce. Patty and Selma kidnap Richard Dean Anderson from a Stargate convention.
When the Simpsons' plans for an outing at the Frying Dutchman are scuppered, the family try to salvage the night by telling three tales of disaster at sea
The school gets a new head (Frances McDormand) and a new style when Principal Skinner makes a sexist remark. Lisa impersonates a boy to further her education.
Marge inhales poisonous fumes while cleaning and suffers amnesia. Homer tries to revive her memory but Marge has blocked out any recollection of her husband.
After visiting an evolution exhibition, Ned asks Reverend Lovejoy to spread the theory of creationism and Lisa finds herself the only supporter of the scientific theory
Struggling sportsman Buck Mitchell turns to Homer and Marge for marital advice after seeing them share a passionate kiss