Episode 1 | The Serfsons

In a medieval world, Lisa is forced to use illegal magic when Marge's mother is turned into an Ice Walker.

Episode 2 | Springfield Splendor

Lisa's sad experience is adapted into a graphic novel, which becomes a Broadway show.

Episode 3 | Whistler's Father

Homer launches Maggie's baby-celebrity career with her whistling talent; Marge is hired to style Fat Tony's brothel.

Episode 4 | Treehouse of Horror XXVIII

Maggie gets possessed by a demon; Lisa discovers a creepy/perfect version of her family in an alternative universe; Homer cannibalizes himself.

Episode 5 | Grampy Can Ya Hear Me

Grampa gets a hearing aid and finally hears what everyone has been saying about him.

Episode 6 | The Old Blue Mayor She Ain't What She Used To Be

Marge runs for mayor and uses Homer as the butt of her jokes to gain public support.

Episode 7 | Singin' in the Lane

Homer gets his old bowling team back together and they wind up competing with arrogant millionaires.

Episode 8 | Mr. Lisa's Opus

In the future, Lisa writes a college application essay to Harvard and recalls disappointing past birthdays that helped shape her.

Episode 9 | Gone Boy

When Bart goes missing, the town puts together a search party to find him.

Episode 10 | Haw-Haw Land

Lisa falls for a crooning jazz pianist named Brendan; Bart discovers he has an affinity for chemistry.

Episode 11 | Frink Gets Testy

Mr. Burns builds a doomsday ark after he believes the world is ending; Professor Frink is tasked with determining who is worth saving.

Episode 12 | Homer is Where the Art Isn't

Homer is accused of stealing a multimillion-dollar painting and only freelance insurance investigator Manacek can prove his innocence or guilt.

Episode 13 | 3 Scenes Plus a Tag from a Marriage

Homer and Marge tell the story of how they went from loving life without kids to being miserable parents.

Episode 14 | Fears of a Clown

Bart goes to prankster rehab after a clown-mask prank terrifies the town and ruins Krusty's career causing him to give up comedy and try serious drama.

Episode 15 | No Good Read Goes Unpunished

Marge forces everyone to give up their electronics and go to the book store in an effort to bring the family together.

Episode 16 | King Leer

Homer and Marge attempt to reunite Moe with his troubled family.

Episode 17 | Lisa Gets the Blues

The Simpsons' flight to Gainesville gets re-routed to New Orleans, where Lisa must regain her confidence as a jazz musician.

Episode 18 | Forgive and Regret

On his deathbed, Grampa makes a confession to Homer about the notes from Homer's mother that got lost when she left. This angers Homer to the point of refusing to reconcile with Abe after he miraculously recovers.

Episode 19 | Left Behind

Homer gets Flanders a job at the power plant; Marge feels there's no spark left in their marriage.

Episode 20 | Throw Grampa from the Dane

The Simpsons go to Denmark so Grampa can benefit from its free health-care system.

Episode 21 | Flanders' Ladder

When Bart falls into a coma after he is struck by lightning, he is visited by ghosts seeking closure.