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THE SIMPSONS · SEASON GUIDE

The Simpsons Season 20

8.5 · ESSENTIAL Sep 28, 2008 – May 17, 2009 FOX 21 EPISODES ★ 8.5 AVG EPISODE
EPISODE RATINGS · E01→E21 The Simpsons season 20 episode ratings: 21 rated episodes, from 7.8 to 8.9; highest E19
TURN THE DIAL S01 S02 S03 S04 S05 S06 S07 S08 S09 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30 S31 S32 S33 S34 S35 S36 S37 S38

The season in brief

Season 20 of The Simpsons aired from Sep 28, 2008 – May 17, 2009 on FOX and runs 21 episodes.

FAN DESK VERDICT Appointment television. This is the run people mean when they call The Simpsons great — the fan desk says watch every episode, no shortcuts.

Must-watch episodes

TOP RATED

Episode map

FAN RATINGS
ESSENTIAL GREAT SOLID FOR COMPLETISTS
8.9
FAN DESK PICK OF THE SEASON
Episode 19 — Waverly Hills, 9021-D'Oh

Every episode

21 IN ORDER
S20E02 Oct 5, 2008 30 MIN ★ 8.8

Lost Verizon

In order to save up money to buy a cell phone, Bart takes a job at a country club retrieving golf balls. While at the course, Bart watches celebrities, including Leary…

DIRECTED BY Raymond S. Persi
S20E03 Oct 19, 2008 30 MIN ★ 8.1

Double, Double, Boy in Trouble

When Lenny wins the lottery and invites the Simpson family to a celebratory party at a posh hotel, Bart meets his doppelganger, Simon Woosterfield, who happens to be a member of…

GUESTS Joe Montana
DIRECTED BY Michael Polcino
S20E04 Nov 2, 2008 30 MIN ★ 7.8

Treehouse of Horror XIX

Three chilling tales of Halloween horror unwind in THE SIMPSONS annual "Treehouse of Horror" Halloween special. First, Homer kills off celebrities so their likenesses can be…

DIRECTED BY Bob Anderson
S20E05 Nov 9, 2008 30 MIN ★ 8.3

Dangerous Curves

When the Simpson family takes a road trip to a cabin in the woods, a series of flashbacks depict Homer and Marge's blissful courtship and their early married years. They recall…

DIRECTED BY Matthew Faughnan
S20E07 Nov 30, 2008 30 MIN ★ 8.0

Mypods and Boomsticks

The Simpson family takes a trip to the Mapple Store at the Springfield Mall where Lisa get her very own Mypod, and Bart interrupts an announcement from Steve Mobbs with his own…

DIRECTED BY Steven Dean Moore
S20E08 Dec 7, 2008 30 MIN ★ 8.1

The Burns and the Bees

During the annual billionaires' retreat, Mr. Burns wins the Boston Celtics in a casual game of poker. While hosting the season opener in Springfield, Mr. Burns witnesses the…

DIRECTED BY Mark Kirkland
S20E09 Jan 25, 2009 30 MIN ★ 7.9

Lisa the Drama Queen

Lisa meets an equally academic and creative new friend named Juliet (guest voice Emily Blunt), and together they construct a fantasy world that takes them both a little too far…

GUESTS Emily Blunt
DIRECTED BY Matthew Nastuk
S20E10 Feb 15, 2009 30 MIN ★ 8.7

Take My Life, Please

When Mayor Quimby inducts Vance Connor into the Springfield Walk of Fame, Homer recounts how he ran against Vance for class president in high school and lost. After a little…

DIRECTED BY Steven Dean Moore
S20E11 Mar 1, 2009 30 MIN ★ 8.8

How the Test Was Won

Bart is informed that he and a select group of students have received perfect scores on a practice test for the upcoming Vice President's Assessment Test. As a result, he will be…

DIRECTED BY Lance Kramer
S20E13 Mar 15, 2009 30 MIN ★ 8.8

Gone Maggie Gone

When Homer leaves Maggie on the doorstep of a convent to keep her safe as he rescues Santa's Little Helper from a sticky situation, the nuns at the convent take Maggie in. Lisa…

DIRECTED BY Chris Clements
S20E15 Mar 29, 2009 30 MIN ★ 8.7

Wedding for Disaster

When Homer and Marge's marriage turns out to be invalid because Reverend Lovejoy was not licensed at the time, Homer asks Marge to marry him again. But when Homer mysteriously…

DIRECTED BY Chuck Sheetz
S20E16 Apr 5, 2009 30 MIN ★ 8.8

Eeny Teeny Maya Moe

In an effort to spend more time with Maggie, Homer takes her to happy hour at Moe's. While at the bar, Moe tells Homer about his new love, Maya, a woman he met on the internet.…

DIRECTED BY Nancy Kruse
S20E17 Apr 19, 2009 30 MIN ★ 8.5

The Good, the Sad and the Drugly

When Bart and Milhouse pull off a prank at Springfield Elementary, Milhouse takes the fall and gets suspended from school. Homer forces Bart to sign in under Homer's name and…

DIRECTED BY Rob Oliver
S20E18 Apr 26, 2009 30 MIN ★ 8.6

Father Knows Worst

When Homer observes Bart and Lisa struggling in certain aspects of their academic and social lives at school, he becomes a proponent of "helicopter parenting," the process of…

DIRECTED BY Matthew Nastuk
S20E20 May 10, 2009 30 MIN ★ 8.7

Four Great Women and a Manicure

Marge and Lisa visit the nail salon where they engage in a spirited debate as to whether a woman can be smart, powerful and beautiful all at the same time. To prove their point,…

GUESTS Jodie Foster
DIRECTED BY Raymond S. Persi
S20E21 May 17, 2009 30 MIN ★ 8.2

Coming to Homerica

When nearby Ogdenville's economy crumbles due to tainted barley discovered in Krusty's veggie burgers, the unemployed workers of Ogdenville flock to Springfield. After Mayor…

DIRECTED BY Steven Dean Moore

Cast this season

MAIN CAST
GUEST STARS

Where to watch season 20

US · NOVEMBER 2026
AVAILABILITY IS FOR THE SHOW; NOT EVERY SERVICE CARRIES EVERY SEASON · LINKS MAY EARN US POPCORN MONEY

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Season 20 FAQ

How many episodes are in The Simpsons season 20?

The Simpsons season 20 has 21 episodes.

When did The Simpsons season 20 air?

The Simpsons season 20 aired from September 28, 2008 to May 17, 2009.

Where can I watch The Simpsons season 20?

In the US, The Simpsons season 20 is available on FX, Hulu, Disney+, fuboTV, DirecTV On Demand, Spectrum On Demand, YouTube TV, FOX One Amazon Channel, Hulu on Disney+, Amazon, Fandango at Home, and AppleTV.

What is the best episode of The Simpsons season 20?

The highest-rated episode of The Simpsons season 20 is S20E19 “Waverly Hills, 9021-D'Oh”, rated 8.9/10.