Episode 1 | Who Shot Mr. Burns? Part Two

While Mr. Burns is hospitalized, an investigation into his shooter begins; although Smithers initially suspects himself, a trace of Simpson DNA narrows down the list of possible culprits.

Episode 2 | Radioactive Man

A Hollywood film crew shoots an adaptation of the "Radioactive Man" comics in Springfield, with Rainier Wolfcastle in the title role and a reluctant Milhouse as his sidekick, Fallout Boy.

Episode 3 | Home Sweet Home-Dum-Diddly Doodily

Marge and Homer lose custody of the kids, who are sent to live at the Flanders' house.

Episode 4 | Bart Sells His Soul

Bart casually sells his soul to Milhouse for $5 but soon regrets it; Moe converts his dank bar into a family restaurant.

Episode 5 | Lisa the Vegetarian

A trip to a local petting zoo convinces Lisa to give up meat, despite excessive pressure to convince her not to do so.

Episode 6 | Treehouse of Horror VI

A lightning storm causes giant advertising mascots to come to life; The children are terrorized by Groundskeeper Willie in their dreams; Homer finds himself trapped in another dimension.

Episode 7 | King Size Homer

Homer intentionally gains more weight in order to qualify for disability and work from home, but soon realizes that being morbidly obese comes with its own problems.

Episode 8 | Mother Simpson

After faking his own death, Homer is reunited with his mother, who harbors a deep secret.

Episode 9 | Sideshow Bob's Last Gleaming

Sideshow Bob again escapes from prison and takes control of a TV screen at an air show, demanding all television stations immediately go off the air.

Episode 10 | The Simpsons 138th Episode Spectacular!

Troy McClure hosts a retrospective of the first 137 episodes of The Simpsons (1989).

Episode 11 | Marge Be Not Proud

Marge's relationship with Bart is strained when he is caught shoplifting before Christmas.

Episode 12 | Team Homer

Homer starts a bowling team with Moe, Apu and Otto, but Mr. Burns insists on joining after learning that the team was funded with his money; Springfield Elementary introduces uniforms.

Episode 13 | Two Bad Neighbors

Former President George Bush and his wife, Barbara, move into the Simpsons' neighborhood and soon clash with Bart and Homer.

Episode 14 | Scenes from the Class Struggle in Springfield

After buying a Chanel suit at a bargain price, Marge is invited to a country club by a former schoolmate, where she desperately tries to fit in with its upper class clientele.

Episode 15 | Bart the Fink

Krusty the Clown is left almost broke after Bart inadvertently rats him out to the IRS, forcing Krusty to take drastic action.

Episode 16 | Lisa the Iconoclast

While researching for an essay, Lisa discovers that Springfield's founding father was actually a murderous thief.

Episode 17 | Homer the Smithers

When Smithers is forced to take a vacation, he appoints Homer as his temporary replacement.

Episode 18 | The Day the Violence Died

Bart and Lisa meet a vagabond who claims to be the creator of Itchy from "Itchy and Scratchy."

Episode 19 | A Fish Called Selma

Washed-up movie star Troy McClure starts dating Selma in an attempt to silence bizarre rumors about his personal life and resuscitate his career.

Episode 20 | Bart on the Road

Bart makes a fake driver's license and takes Milhouse, Martin, and Nelson on a huge road trip; Lisa spends time with Homer at the power plant.

Episode 21 | 22 Short Films About Springfield

A series of vignettes showcasing a day in the life of various Springfield residents.

Episode 22 | Raging Abe Simpson and His Grumbling Grandson in 'The Curse of the Flying Hellfish'

After surviving multiple assassination attempts by Mr. Burns to inherit a cache of artwork they stole from the Nazis, Grampa teams up with Bart to recover the paintings.

Episode 23 | Much Apu About Nothing

Anti-immigration fever sweeps Springfield, which threatens to lead to the deportation of Apu, until Homer decides to reject the mob mentality and help him become a legal citizen.

Episode 24 | Homerpalooza

Homer takes Bart and Lisa to a music festival in an attempt to prove his coolness, but ends up embarrassing them after being hired to participate in the festival's freak show.

Episode 25 | Summer of 4'2"

After realizing how unpopular she is, a disillusioned Lisa sees the vacation to Ned Flanders' beach house as an opportunity to reinvent herself.