Season 23

The Simpsons' twenty-third season began airing on Fox on September 25, 2011 and ended on May 20, 2012. The show's 500th episode, "At Long Last Leave", aired on February 19, 2012.

Season episodes list 23

S23E01

S23E01 : The Falcon and the D'Ohman 7.12/10 (aired on 09/25/2011)

Homer befriends Wayne, a reserved security guard recently hired by the nuclear power plant. Plagued…
S23E02

S23E02 : Bart Stops to Smell the Roosevelts 7.02/10 (aired on 10/02/2011)

Superintendent Chalmers reveals his hero as former President Theodore Roosevelt, who makes an…
S23E03

S23E03 : Treehouse of Horror XXII 6.61/10 (aired on 10/30/2011)

Simpsons' twentysecond Halloween show. The Diving Bell and the Butterball: Homer is bitten by a…
S23E04

S23E04 : Replaceable You 6.67/10 (aired on 11/06/2011)

Bart’s science fair project, a mechanical baby seal, outshines Lisa’s brainy asteroid model and…
S23E05

S23E05 : The Food Wife 7.14/10 (aired on 11/13/2011)

Marge takes Bart and Lisa on a weekend excursion, and when an unexpected restaurant detour awakens…
S23E06

S23E06 : The Book Job 7.71/10 (aired on 11/20/2011)

Lisa becomes disheartened when she learns the shocking truth behind the “tween lit” industry and…
S23E07

S23E07 : The Man in the Blue Flannel Pants 6.74/10 (aired on 11/27/2011)

The Simpsons host a tastemaker party at their home to promote Absolut Krusty, Krusty the Clown's…
S23E08

S23E08 : The Ten-Per-Cent Solution 6.19/10 (aired on 12/04/2011)

Krusty the Clown is fired from his show and gets a new agent named Annie to help him stage a…
S23E09

S23E09 : Holidays of Future Passed 8.18/10 (aired on 12/11/2011)

In this futuristic holiday episode, Bart is a deadbeat dad living in Springfield Elementary (which…
S23E10

S23E10 : Politically Inept, with Homer Simpson 6.1/10 (aired on 01/08/2012)

Homer lands his own political talk show and becomes the spokesperson for the Gravy Movement. He…
S23E11

S23E11 : The D'oh-cial Network 7.05/10 (aired on 01/15/2012)

Lisa creates her own social networking service, SpringFace, and subsequently makes everyone…
S23E12

S23E12 : Moe Goes from Rags to Riches 5.79/10 (aired on 01/29/2012)

After Moe is heckled for not having any real companions, Moe's best friend and beloved bar rag…
S23E13

S23E13 : The Daughter Also Rises 6.39/10 (aired on 02/12/2012)

Marge and Lisa's mother-daughter Valentine's Day plans take a turn when Lisa meets Nick, an…
S23E14

S23E14 : At Long Last Leave 7.06/10 (aired on 02/19/2012)

The Simpsons are evicted from Springfield and join an off-the-grid community outside of town. But…
S23E15

S23E15 : Exit Through the Kwik-E-Mart 6.9/10 (aired on 03/04/2012)

In order to get back at his dad, Bart goes undercover as a graffiti street artist and plasters…
S23E16

S23E16 : How I Wet Your Mother 7.21/10 (aired on 03/11/2012)

Karma gets the best of Homer after he gets his friends in trouble, and as a result, his bedwetting…
S23E17

S23E17 : Them, Robot 7.03/10 (aired on 03/18/2012)

Mr. Burns replaces all of Springfield Power Plant's employees with robots (guest voice Brent…
S23E18

S23E18 : Beware My Cheating Bart 7.05/10 (aired on 04/15/2012)

When Bart supervises Jimbo's girlfriend at a movie, she develops a crush on him; Homer is persuaded…
S23E19

S23E19 : A Totally Fun Thing That Bart Will Never Do Again 7.32/10 (aired on 04/29/2012)

When Bart gets his wish for a family vacation, he becomes determined to make it last forever.
S23E20

S23E20 : The Spy Who Learned Me 6.87/10 (aired on 05/06/2012)

Homer embarrasses Marge at the movies during a film featuring superspy Stradivarius Cain, and his…
S23E21

S23E21 : Ned 'n' Edna's Blend 6.68/10 (aired on 05/13/2012)

When word gets out that Edna and Ned have secretly wed, Marge offers to throw them a party, but…
S23E22

S23E22 : Lisa Goes Gaga 4.32/10 (aired on 05/20/2012)

In the Season 23 finale, Lisa tries to boost her popularity by ghost writing positive things about…