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The Simpsons: Treehouse of Horror XXIII

In “The Greatest Story Ever Holed,” the Springfield Subatomic Supercollider creates a black hole that has the potentially to destroy Springfield.

In “UNnormal Activity” the Simpsons install cameras all over the house when things start to go bump in the night and Marge discovers it may have to do with an unholy pact she made some years prior.

In the final thrilling tale, “Bart & Homer’s Excellent Adventure,” Bart travels to 1974 to buy a comic book at cover price but inadvertently disrupts Homer and Marge’s courtship, leading Marge to end up with Artie Ziff.

Episode Info  

Episode number: 24x2
Production Number: PABF17
Airdate: Sunday October 07th, 2012

Alternate Airdates:

AU (FOX8) Mar 16, 2013

Special Guest Stars
Jon LovitzJon Lovitz
voiced Artie Ziff
Main Cast
Dan CastellanetaDan Castellaneta
voiced Homer Simpson, Abraham Simpson, Krusty the Klown, Barney, Willy, Sideshow Mel, Mayor Quimby, Hans Moleman, Gil, Itchy, Various
Julie KavnerJulie Kavner
voiced Marjorie "Marge" Bouvier Simpson, Patty Bouvier, Selma Bouvier, Jacqueline Ingrid Bouvier, Various
Nancy CartwrightNancy Cartwright
voiced Bart Simpson, Nelson Muntz, Ralph Wiggum, Todd Flanders, Kearney, Various
Yeardley SmithYeardley Smith
voiced Lisa Simpson, Various
Hank AzariaHank Azaria
voiced Apu, Moe, Chief Wiggum, Carl, Comic Book Guy, Dr. Nick Riviera, Prof. Frink, Cletus, Sea Captain, Kirk Van Houten, Various
Harry ShearerHarry Shearer
voiced Mr. Burns, Smithers, Dr. Marvin Monroe, Ned Flanders, Seymour Skinner, Otto, Kent Brockman, Dr. Hibbert, Lenny, Rev. Lovejoy, Various
Episode Notes
Treehouse of Horror XXIII garnered a 3.1 18/49 Demo & was seen by 6.52 Million Viewers

Chalkboard Gag:


Couch Gag:


ArtistSong TitlePlayed When
The Everly BrothersGone Gone Gone (Done Me Wrong)Act I

Episode Goofs
The Mayan version of Moe has a distinct short dark hairstyle before his head is chopped off, but when his head reaches the bottom of the pyramid, and when the kids are kicking it around, it's the regular Moe Szyslak grey hair.

It could be suggested his hair was hidden under the headdress but, there are no sideburns prior to the decapitation. Also, the earrings have vanished by the time the head reaches the bottom of the stairs, although it could be suggested they fell off and were still in the burlap bag.

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