Homer vs Dignity: Homer asks Mr Burns for a pay rise after the family have to dress up as a mariachi band and sing for their dinner. But Mr Burns has a better idea... (S12 Ep5/21) [AD,S]
Lisa the Tree Hugger: A dramatic rooftop protest at Krusty Burger inspires Lisa to become an eco-radical - especially when she sees how cute one of the protestors is... (S12 Ep4/21) [AD,S]
Lisa the Vegetarian: Lisa turns vegetarian after petting a lamb, but no one in Springfield shares her sensibilities - except maybe Apu? And his friends Paul and Linda McCartney? (S7 Ep5/25) [AD,S]
Homer Simpson, This Is Your Wife: Homer signs the family up for a wife swap show, but easy-going husband Charlie (Ricky Gervais) develops a crush on Marge... (S17 Ep15/22) [AD,S]
Bart Has Two Mommies: Marge babysits Rod and Todd, but Ned overreacts when she lets them play on a climbing wall. Bart gets pulled into a chimp cage at the zoo. (S17 Ep14/22) [AD,S]
The Seemingly Never-Ending Story: When Homer and Lisa get trapped in a cave, she tells him about a day she spent with Mr Burns after a goat chased her into his mansion. (S17 Ep13/22) [AD,S]
Home Sweet Home-Dum-Diddly Doodily: Homer and Marge are sent to Bad Parent School when Bart catches head lice and Lisa loses her shoes. (S7 Ep3/25) [AD,S]
My Fair Laddy: Lisa tries to transform Groundskeeper Willie into a gentleman after his shack collapses and he's forced to move in with the Simpsons. (S17 Ep12/22) [AD,S]
We're on the Road to D'oh-where: Homer misses a Moe's Tavern trip to Las Vegas when he has to drive Bart to juvenile delinquent camp. (S17 Ep11/22) [AD,S]
Homer's Paternity Coot: The Simpsons receive a long-lost letter, which suggests that Homer's biological father is actually British treasure hunter Mason Fairbanks. (S17 Ep10/22) [AD,S]
The Italian Bob: On a trip to Italy to find Mr Burns a new sports car, the Simpsons get stranded in a village where Sideshow Bob reigns as mayor. (S17 Ep8/22) [AD,S]
The Last of the Red Hat Mamas: Marge joins a women's group after Homer humiliates her at a party and her old friends shun her. But are her new friends all they seem to be? (S17 Ep7/22) [AD,S]
You Kent Always Say What You Want: After spilling coffee on his lap, Kent Brockman swears on live TV and gets fired. So Kent and Lisa team up to broadcast inconvenient truths. (S18 Ep22/22) [AD,S]
Springfield Up: Famous filmmaker Declan Desmond (voiced by Eric Idle) comes to Springfield to chronicle the lives of its residents for his series Growing Up Springfield. (S18 Ep13/22) [AD,S]
Behind the Laughter: A behind-the-scenes look at the Simpson family. How did they win their fame? And how did they cope when the showbiz pressure got too much? (S11 Ep22/22) [AD,S]
Sweet Seymour Skinner's Baadasssss Song: Bart gets Principal Skinner sacked and Flanders takes over at the school. Out of work, Skinner befriends his erstwhile nemesis Bart. (S5 Ep19/22) [AD,S]
Bart to the Future: Bart foresees his adult future as a struggling rock guitarist crashing on Ralph Wiggum's couch, while Lisa becomes the first straight female President. (S11 Ep17/22) [AD,S]
Homer Loves Flanders: Homer realises that he likes Flanders and starts to hang around with him all the time. Unfortunately, Flanders realises that he's not so keen on Homer... (S5 Ep16/22) [AD,S]
Deep Space Homer: NASA recruit Homer and Barney to make the organisation more appealing to the common man. When Barney falls off the wagon, Homer gets chosen to go into space. (S5 Ep15/22) [AD,S]
The Otto Show: Bart decides he wants to be a metalhead after witnessing a riot at a Spinal Tap gig. But his plans lead to Otto crashing the school bus and losing his job. (S3 Ep22/24) [S]
Black Widower: Bart is shocked when Selma announces that she plans to marry Sideshow Bob (Kelsey Grammer), since he has sworn deadly revenge on Bart for having him jailed. (S3 Ep21/24) [AD,S]
Colonel Homer: Marge is jealous when Homer becomes the manager of beautiful country and western singer Lurleen (guest star Beverly D'Angelo). (S3 Ep20/24) [AD,S]
Dog of Death: Santa's Little Helper needs an expensive operation, and each of the Simpsons must give something up to pay for it. How will Homer face a life without beer? (S3 Ep19/24) [AD,S]
Elementary School Musical: Lisa goes to a performing arts camp but becomes restless with her humdrum suburban lifestyle when she returns home. (S22 Ep1/22) [AD,S]
Marge Simpson in: 'Screaming Yellow Honkers': Homer buys a Canyonero 4x4 but can't drive it, so he takes Marge's car. But driving the Canyonero gives Marge road rage... (S10 Ep15/23) [AD,S]
Monty Can't Buy Me Love: When a charming billionaire turns up in Springfield, Monty Burns captures the Loch Ness Monster in an attempt to boost his own popularity. (S10 Ep21/23) [AD,S]
Simpsons Bible Stories: During a boring sermon by Reverend Lovejoy, Marge fantasises about Homer and herself as Adam and Eve, while Homer sees himself as wise King Solomon. (S10 Ep18/23) [S]
The Wettest Stories Ever Told: When the Simpsons' plans for a meal at The Frying Dutchman are ruined, they try to salvage the night by telling three tales of disaster at sea. (S17 Ep18/22)
The Seemingly Never-Ending Story: When Homer and Lisa get trapped in a cave, she tells him about a day she spent with Mr Burns after a goat chased her into his mansion. (S17 Ep13/22) [AD,S]
My Fair Laddy: Lisa tries to transform Groundskeeper Willie into a gentleman after his shack collapses and he's forced to move in with her family. (S17 Ep12/22) [AD,S]
Cape Feare: When Sideshow Bob is released from prison after sending Bart threatening letters, the Simpsons are moved to Terror Lake under the witness relocation programme. (S5 Ep2/22) [AD,S]
Skinner's Sense of Snow: When a huge snowdrift engulfs the school, Bart leads the kids in a rebellion, gagging Principal Skinner and tying him to a chair as they run amok. (S12 Ep8/21) [AD,S]
Homer vs Dignity: Homer asks Mr Burns for a pay rise after the family have to dress up as a mariachi band and sing for their dinner. But Mr Burns has a better idea... (S12 Ep5/21) [S]
Brother from the Same Planet: When Homer is late picking up Bart from a school football game, Bart hooks up with Tom, a surrogate dad from an agency. (S4 Ep14/22) [AD,S]
Selma's Choice: After Homer gets sick from a giant sandwich he's been eating for months, Aunt Selma steps in to take the kids to a new alcohol-based theme park. (S4 Ep13/22) [AD,S]
Marge vs the Monorail: When Springfield decides to install a monorail system, Homer is employed as the conductor. There's just one problem: he has no idea what he's doing. (S4 Ep12/22) [AD,S]
Homer's Triple Bypass: Homer has a heart attack while he's watching TV. The hospital says he needs a bypass, but Homer can't afford it. Of course, there's always Dr Nick... (S4 Ep11/22) [S]
New Kid on the Block: When Homer gets kicked out of an all-you-can-eat seafood restaurant for eating too much, he takes the owner to court. (S4 Ep8/22) [AD,S]
Marge Gets a Job: When Marge gets a job at the power plant, Mr Burns falls in love with her and invites her over to dinner, complete with a kidnapped Tom Jones to serenade them. (S4 Ep7/22) [AD,S]
Itchy and Scratchy: The Movie: While Homer and Marge attend parents' evening, Bart breaks the babysitter's teeth, so Homer vows never to let him see the Itchy and Scratchy film. (S4 Ep6/22) [AD,S]
Sleeping with the Enemy: Feeling neglected by Bart and Lisa, Marge decides to adopt Nelson, but Bart is not happy to be sharing his room with the school bully. (S16 Ep3/21) [AD,S]
All's Fair in Oven War: Bart adopts a 1970s 'Playdude' lifestyle when he finds Homer's old magazines. Meanwhile, Lisa catches Marge cheating in the Ovenfresh Bakeoff. (S16 Ep2/21) [AD,S]
Judge Me Tender: Moe becomes a judge on American Idol. Meanwhile, Homer spends more time at home, and drives Marge to distraction. Simon Cowell and Ellen DeGeneres guest star. (S21 Ep23/23) [AD,S]
Chief of Hearts: While Homer is doing community service - following a mix-up with a toffee apple in a bank - he befriends Chief Wiggum. Bart gets addicted to a new game. (S21 Ep18/23) [AD,S]
The Greatest Story Ever D'ohed: Ned Flanders invites the Simpsons on his church trip to the Holy Land. But Homer fails to take a proper interest in the history and culture. (S21 Ep16/23) [AD,S]
Treehouse of Horror XX: Bart and Lisa seek revenge on their teachers. Krusty's latest snack turns Springfield's citizens into zombies. Moe's beer is tainted with Homer's blood. (S21 Ep4/23) [AD,S]
The Ziff Who Came to Dinner: The Simpsons find Marge's high school prom date Artie Ziff squatting in their loft, and he's planning to frame Homer... (S15 Ep14/22) [AD,S]
Smart and Smarter: Lisa searches for a new identity when she worries that her position as the clever Simpson is under threat from Maggie. (S15 Ep13/22) [AD,S]