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Season guide

The Simpsons: Season 15

22 episodes Premiered Nov 2, 2003 Updated Oct 2, 2026
Previously on The Simpsons

Season 15 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Picks up essential narrative continuity directly following the events of The Simpsons Season 14.
  • ⚡ Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • ⚡ Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • ⚡ Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
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Season 15 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 15 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 15: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

18%
82%
Mytharc (4): Crucial lore & season climaxes
Core (18): Character development & subplots
Side Quest (0): Standalone / filler
S15·E1 Mytharc

Treehouse of Horror XIV

Nov 2, 2003 · 23 min

"Reaper Madness" - Death becomes Homer and our hero must learn to reap what he sows (and pull a fast one on the almighty). "Frinkenstein" - Soon to be Nobel-prize winning Professor

S15·E2 Core

My Mother the Carjacker

Nov 9, 2003 · 23 min

Homer's mother returns, and after being cleared of all charges, is re-imprisoned on a technicality.

S15·E3 Core

The President Wore Pearls

Nov 16, 2003 · 23 min

In this loose parody of the musical/movie Evita, Lisa is elected Student Body president, but is unaware that the school staff is using her for their own devices and as a scapegoat

S15·E4 Core

The Regina Monologues

Nov 23, 2003 · 23 min

After making over $3000 from his own museum featuring a $1000 bill, Bart takes the family to London (on the suggestion of Grampa), where Homer is arrested for treason after crashin

S15·E5 Core

The Fat and the Furriest

Nov 30, 2003 · 22 min

Homer is humiliated when he appears on the news running from a bear that nearly attacks him at the city dump. After Grampa scolds him, he swears to fight the bear himself.

S15·E6 Core

Today I Am a Clown

Dec 7, 2003 · 23 min

Krusty discovers that he never had a bar mitzvah as a child. He quits his show to have it as an adult, with the help of his father, Rabbi Krustofski. Meanwhile, Homer hosts a late-

S15·E7 Core

'Tis the Fifteenth Season

Dec 14, 2003 · 23 min

Homer realizes how selfish he is after he spends all the family's Christmas money on a present for himself. He becomes the nicest guy in town, making Ned Flanders jealous.

S15·E9 Mytharc

I, (Annoyed Grunt)-Bot

Jan 11, 2004 · 23 min

Homer builds a battle robot to win Bart's respect, and places it in a tournament against other robots. What Bart does not know, though, is that the robot is actually Homer in costu

S15·E10 Core

Diatribe of a Mad Housewife

Jan 25, 2004 · 23 min

Marge writes a romance novel with characters based on Homer and Ned Flanders that becomes a hit. Meanwhile, Homer gets fired from the power plant again and becomes an ambulance dri

S15·E11 Core

Margical History Tour

Feb 8, 2004 · 23 min

When the local library proves to be useless for the kids' class project, Marge tells Milhouse, Bart, and Lisa three Simpsons-style historical accounts: Henry VIII's (Homer's) attem

S15·E12 Core

Milhouse Doesn't Live Here Anymore

Feb 15, 2004 · 23 min

Bart finds a friend in his own sister Lisa after Milhouse moves away to Capitol City to live with his divorced mom. Meanwhile Homer goes into panhandling to buy anniversary gifts f

S15·E13 Core

Smart and Smarter

Feb 22, 2004 · 23 min

When Maggie does better than Lisa on an IQ test, Lisa becomes upset over no longer being the smart one and tries to lead Maggie astray.

S15·E14 Core

The Ziff Who Came to Dinner

Mar 14, 2004 · 23 min

The Simpsons go on a late-night attic search after Bart and Lisa (who are freaked out over a horror movie Homer let them watch) begin hearing voices -- and find Marge's ex-prom dat

S15·E15 Core

Co-Dependent's Day

Mar 21, 2004 · 23 min

Homer and Marge's bond becomes stronger when they both get drunk on wine, but soon the bond unravels when Homer blames Marge for crashing the car and Marge gets sent to rehab. Mean

S15·E16 Core

The Wandering Juvie

Mar 28, 2004 · 23 min

Bart gets sent to juvenile hall after fooling everyone that there was a marriage concerning him. He encounters a dangerous girl there... He flees with Gina, but then the two are ca

S15·E17 Core

My Big Fat Geek Wedding

Apr 18, 2004 · 23 min

After hearing that Skinner is getting cold feet about their wedding, Edna leaves Skinner at the altar and, after sending back one marriage gift, hooks up with Comic Book Guy. Meanw

S15·E18 Core

Catch 'Em If You Can

Apr 25, 2004 · 23 min

After a ruined movie night, thanks to Bart and Lisa, Homer and Marge take a vacation away from them, but decide to go to Miami instead of going to see an uncle. When Bart and Lisa

S15·E19 Core

Simple Simpson

May 2, 2004 · 23 min

Homer becomes "Pie Man", a masked vigilante who delivers a pie in the face of justice to evildoers. However, after attacking Mr. Burns, Burns hires him as a personal hitman, until

S15·E20 Core

The Way We Weren't

May 9, 2004 · 23 min

Homer and Marge recall the story of their first kiss at a summer camp when they were children—an event which was not all happy, as Homer (unwillingly) betrayed Marge by standing he

S15·E21 Mytharc

Bart-Mangled Banner

May 16, 2004 · 23 min

After receiving an injection from Dr. Hibbert, Bart becomes temporarily deaf, which makes him impervious to being bullied, until he accidentally moons the American flag during a do

S15·E22 Mytharc

Fraudcast News

May 23, 2004 · 23 min

Mr. Burns buys out Springfield's media outlets after a newspaper mistakenly reports his death, and Lisa's homemade newspaper is next on his list.

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