Where to watch The Simpsons Season 21
The Simpsons season 21 is streaming in Australia on Disney+ (subscription, listed for the whole show). You can also buy it on Apple TV from $24.99. Season 21 was released on 27 September 2009.
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From $9.99/mth
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Buy
Buy from $24.99 a season
Availability checked 29 October 2026. Streaming availability data from JustWatch.
The Simpsons Season 21 episodes
S21 E01
Homer the Whopper
21 mins · Sun, 27 Sep 2009
Homer ends up with a superhero's physique after he's chosen to appear in a film based on a character created by Comic Book Guy.
S21 E02
Bart Gets a Z
21 mins · Sun, 4 Oct 2009
Bart and the rest of his class decide to teach Mrs Krabappel a lesson when she confiscates their mobile phones.
S21 E03
The Great Wife Hope
21 mins · Sun, 11 Oct 2009
Marge and some friends organise a protest against the male population of Springfield after they become obsessed with mixed martial arts.
S21 E04
Treehouse of Horror XX
22 mins · Sun, 18 Oct 2009
Lisa sets out for revenge against Miss Hoover; zombies overrun Springfield; after falling through a trapdoor at Moe's, Homer becomes half-man, half-brewing apparatus.
S21 E05
The Devil Wears Nada
21 mins · Sun, 15 Nov 2009
To raise money for charity, Marge and the Philanthro-Chicks decide to pose for a calendar, but Marge poses after drinking a lot of wine, and the pin-ups become the talk of the town.
S21 E06
Pranks and Greens
21 mins · Sun, 22 Nov 2009
Groundskeeper Willie tells Bart about Andy Hamilton, a former student who was an even better prankster than Bart is.
S21 E07
Rednecks and Broomsticks
21 mins · Sun, 29 Nov 2009
Lisa accepts an invitation to join a coven of Wiccans and soon finds herself the chief witness in their trial for witchcraft. Meanwhile, Homer starts to hang out with his new pal Cletus after discovering the slack-jawed yokel makes moonshine.
S21 E08
Oh Brother, Where Bart Thou?
22 mins · Sun, 13 Dec 2009
When Lisa tells Bart she has a special sibling bond with Maggie that he will never understand, he asks Homer for a baby brother.
S21 E09
Thursdays With Abie
21 mins · Sun, 3 Jan 2010
When a columnist begins interviewing Grampa about his life, Homer becomes jealous of his new-found fame.
S21 E10
Once Upon a Time in Springfield
21 mins · Sun, 10 Jan 2010
Milhouse and Bart try to help Krusty regain his popularity after he is forced to restructure the format of his TV show.
S21 E11
Million-Dollar Maybe
21 mins · Sun, 31 Jan 2010
Homer wins the lottery after skipping a date with Marge. Fearing Marge's rejection, he keeps his winnings a secret while showering his family with anonymous gifts.
S21 E12
Boy Meets Curl
22 mins · Sun, 14 Feb 2010
Homer and Marge discover a sport called curling while searching for a romantic date together. Meanwhile, Lisa becomes addicted to collecting Olympic pins.
S21 E13
The Color Yellow
21 mins · Sun, 21 Feb 2010
When Lisa discovers that her Southern ancestors helped a slave escape to freedom, she presents the story during Black History Month.
S21 E14
Postcards From the Wedge
22 mins · Sun, 14 Mar 2010
Bart puts an A-grade effort into not doing his homework, and the mischief-maker pits his parents against one another when school sends a letter home.
S21 E15
Stealing First Base
21 mins · Sun, 21 Mar 2010
Principal Skinner announces that Springfield Elementary's two fourth grade classes will merge until the absent Mrs Krabappel returns. As a result, Bart reluctantly shares a desk with Nikki and develops a flirtatious rapport.
S21 E16
The Greatest Story Ever D'Ohed
22 mins · Sun, 28 Mar 2010
The Simpson family are invited to a church retreat in Jerusalem by Ned Flanders. It takes the influence of a crazy tour guide for Homer to grasp the importance of the city.
S21 E17
American History X-cellent
21 mins · Sun, 11 Apr 2010
Mr Burns is questioned when a police officer sees a stolen painting at the billionaire's estate. Meanwhile, Smithers runs the power plant while Mr Burns is away.
S21 E18
Chief of Hearts
21 mins · Sun, 18 Apr 2010
Homer is close to completing his court-ordered community service when he befriends Chief Wiggum by offering him one of his sandwiches. A partnership blossoms, but Homer doesn't come through when Wiggum needs him the most.
S21 E19
The Squirt and the Whale
21 mins · Sun, 25 Apr 2010
After erecting a wind turbine in the backyard, Homer realises some of the power is being directed to the local electric company. He decides to remove his home from the grid and becomes completely dependent upon an unreliable source of power.
S21 E20
To Surveil, With Love
21 mins · Sun, 2 May 2010
When radiation is released into the city, authorities suspend civil liberties. Meanwhile, tired of being blonde, Lisa dyes her hair a darker colour.
S21 E21
Moe Letter Blues
21 mins · Sun, 9 May 2010
Moe stirs up marital strife by informing Homer, Apu and Reverend Lovejoy that he's run away with one of their wives.
S21 E22
The Bob Next Door
21 mins · Sun, 16 May 2010
Bart becomes convinced that his new neighbour is actually archenemy Sideshow Bob. To convince him that he is wrong, Marge takes Bart to the state penitentiary.
S21 E23
Judge Me Tender
21 mins · Sun, 23 May 2010
After displaying a talent for judging contests, Moe is invited to appear on American Idol; Homer gets on Marge's nerves when he spends too much time at home.
More seasons of The Simpsons
- Specials
- Season 1
- Season 2
- Season 3
- Season 4
- Season 5
- Season 6
- Season 7
- Season 8
- Season 9
- Season 10
- Season 11
- Season 12
- Season 13
- Season 14
- Season 15
- Season 16
- Season 17
- Season 18
- Season 19
- Season 20
- Season 21
- Season 22
- Season 23
- Season 24
- Season 25
- Season 26
- Season 27
- Season 28
- Season 29
- Season 30
- Season 31
- Season 32
- Season 33
- Season 34
- Season 35
- Season 36
- Season 37
- Season 38