This media contains realistic depictions of weight gain, which may be unpleasant to certain readers.
The Simpsons is an animated sitcom created by Matt Groening that focuses on the middle class life of a family living in a fictional Springfield, taking place in a world where white skin is yellow.
Since it spun off into its own series in 1989, following a series of shorts on The Tracey Ullman Show since 1987, it has become the longest running American sitcom and animated series, with 25 seasons as of May 2014, spawning video games, comic books, a feature film and more. It has been hailed one of the greatest television series of all time, mainly counting its earlier seasons.
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This article contains details of the ending and/or a surprise plot element.
The Perfect Crime (S02E10)
Bart has stolen all the cookies and Maggie points this out to Homer and Marge; Bart's bloated belly being a good sign of evidence.
Bart's Nightmare (S03E14)
Bart has stolen all the cookies once again, resulting in him being so stuffed, that he falls asleep, having a nightmare.
Burns Verkaufen der Kraftwerk (S03E11)
Bart fantasizes being fed a whole truckload of Frosty Chocolate Milkshake.
Itchy & Scratchy: The Movie (S04E06)
Happens to two members of the Starship Enterprise when they have aged in 'Star Trek XII: So Very Tired'.
Krusty Gets Kancelled (S04E22)
Trying to back into shape for the revival of his show after its cancelation, Krusty starts drinking nothing but milkshakes, failing to realize that regular milkshakes and diet milkshakes are not the same thing, so the Simpsons help him get back to his regular shape for the revival.
Treehouse of Horror IV (S05E05)In The Devil and Homer Simpson, Homer is dropped down into hell and force-fed "all the donuts in the world" in the fashion of Pigs is Pigs, and enjoys it, much to a demon's disappointment.
Treehouse of Horror V (S06E06)
In Nightmare Cafeteria, Mrs. Krabappel gains weight from the burgers the school has made out of its own students.
Grampa vs. Sexual Inadequacy (S06E10)While Homer and Marge try to live a happy sex life, Homer becomes bloated from enchiladas.
King-Size Homer (S07E07)Homer quests to gain 61lb to get on disability to get out of the power plant's exercise program.
In Marge We Trust (S08E22)
In the Mr. Sparkle advertisement, Mr. Sparkle turns three women into sumo wrestlers.
Bart Star (S09E06)
The children of Springfield are revealed to be overweight, which gets them enrolled in a pee-wee football team.
Lisa the Simpson (S09E17)
Lisa fears that if she gets any stupider, she could end up gaining weight and marrying Ralph.
Sunday, Cruddy Sunday (S10E12)
With no women around, all the men can finally stop sucking in their stomachs, only to find out that the bus driver for the next several hours will be a woman, so tehy suck their guts right back in.
Guess Who's Coming to Criticize Dinner (S11E03)
Certain residents of Springfield have gained weight after Homer gives all the restaurants positive reviews.
Days of Wines and Doh's (S11E18)
While taking a picture to put on the cover of the Springfield phone book, Bart and Lisa notice Rainier Wolfcastle with a big gut. Rainer tells them that he is playing a fat secret agent for his latest film.
Treehouse of Horror XI (S12E01)
In Scary Tales Can Come True, Bart eats all the goods Suzanne has prepared for him while in place of Hansel.
Worst Episode Ever (S12E11)
Tom Savini inflates and explodes; of course, this is another one of his magic tricks that ends up with him surviving.
Hungry, Hungry Homer (S12E15)
Since Marge refuses to cook less, Bart, Lisa, and Maggie have stuffed bellies after eating their own meal as well as Homer's, while Homer is on hunger strike in order to prevent the Springfield Isotopes from moving to Alburquerque, New Mexico.
Bye Bye Nerdy (S12E16)
In Itchy and Scratchy's Stabby-Oh's commercial, Itchy puts a funnel in Scrathy's mouth and pours cereal down his throat resulting in a bloated appearance. The two children in the commercial then eat the cereal in Scratchy after Itchy cuts an incision on him.
Sweets and Sour Marge (S13E08)
After Springfield is declared to be the worlds fattest town, Homer relaxes and his gut hangs out.
Brake My Wife, Please (S14E20)
The citizens of Springfield stuff themselves at a barbeque established by Homer in order to help Marge get out of her bad mood.
The Fat and the Furriest (S15E05)
Maggie stuffs herself while the kids are using the Kitchen Carnival.
'Tis the Fifteenth Season (S15E07)
Homer says goodbye to his toes after finishing a heavy Christmas meal.
Treehouse of Horror XV (S16E01)
Sleeping With the Enemy (S16E03)
After being told she has a "big butt", Lisa has a nightmare about gaining weight that is only made worse when her fat self is with a fat and bald Milhouse.
The Seven-Beer Snitch (S16E14)
Snowball II has gained weight from being the pet of two families at once.
The Heartbroke Kid (S16E17)
Bart eats enough from the Scammer and Z-Dog vending machines to gain weight, ending up severly unfit. Despite of this, he still strives to go for the food he is not supposed to eat.
Treehouse of Horror XVII (S18E04)
In Married to the Blob, Homer eats a green goo that turns him into a gigantic slime monster with a desire to eat anyone in his path, usually fat people.
Funeral for a Fiend (S19E08)
In the Itchy & Scratchy segment, Spherical at 34th St., Itchy interupts Scratchy's and his son's Thanksgiving day parade viewing by pumping Scratchy with enough hydrogen to turn him into a living blimp, before shooting a flaming arrow at him.
Eternal Moonshine of the Simpson Mind (S19E09)
During the parody of Noah Takes a Picture of Himself Everyday for 6 Years, Homer gains and loses a massive amount of weight.
Homer the Whopper (S21E01)
Homer loses weight to play Everyman due to Hollywood's restrictions (despite Comic Book Guy's intentions to keep Homer at his average size), but eventually gains it back.
O Brother, Where Bart Thou? (S21E08)
Bart makes Homer and Marge a romantic dinner so that he can have a younger brother. Unfortunately for him, Homer and Marge are too stuffed to be "in the mood."
Judge Me Tender (S21E23)
After water starts leaking from a device, Homer uses his mouth to plug it up. This bloats him.
Holidays of Future Passed (S23E09)
After Thanksgiving, the kids are clearly full; unlike the others, it has all affected Lisa's neck.