Treehouse of Horror XXV/References

School Is Hell

 * The segment title refers to one of the  series of books written by Matt Groening.
 * The blackboard in hell has repeated multiple times, "Eternal torment is the only just punishment for the unbaptized", a belief held by, who applied it to babies.
 * The heresy is mentioned.

A Clockwork Yellow

 * The segment is a parody of A Clockwork Orange.
 * Moe is a parody of.
 * Marge is seen reading the novel .
 * Stanley Kubrick, director of, made an appearance in the segment.
 * One of the "nasties" put into the hat is "Tell Each 'Doctor Who' They're the Worst".
 * At the End of the segment there where several parodies to other movies of Stanley Kubrick.
 * The orgy, including the music in the background and the masks are a parody of.
 * The scene with a guy sitting on toilet with a gun is a parody of.
 * The duel scene between Carl and the Comic Book Guy (including his clothes) is a parody of.
 * When Homer hits Sideshow Mel with the bone, the iPhone as black monolith and Stanley Kubrick throwing the pen in the air are parodies of 2001: A Space Odyssey.
 * In the end there is also a film reel titled "fake moon landing" which is a parody of the mockumentary.

The Others

 * The segment is a parody of .
 * Simpson families at the end of the episode:
 *  family
 * Japanese anime/manga family:
 * Marge is Rangiku from .
 * Homer is Zoro from .
 * Bart is from .
 * Lisa is Mikasa from .
 * Maggie is Pikachu from Pokémon.
 * Santa's Little Helper is Haku from ''.
 *  family:
 * Bart is Finn.
 * Lisa is Fiona.
 * Homer is the Ice King.
 * Marge is Princess Bubblegum.
 * Santa's Little Helper is Jake.
 * South Park family:
 * Bart is Stan Marsh.
 * Lisa is Kyle Broflovski.
 * Maggie resembles Ike Broflovski.
 * '' family:
 * Homer is.
 * Marge is Lana Kane.
 * Bart is Cyril Figgis.
 * Lisa is Pamela "Pam" Poovey.
 * Maggie is Seamus McGoon.
 * Sylvain Chomet style family (from "Diggs" couch gag)
 * LEGO family (from "Brick Like Me").
 * Minion family from .
 * Animal family (from "The Island of Dr. Hibbert" of "Treehouse of Horror XIII").

Continuity

 * The Ullman Simpsons took a family portrait before. ("Family Portrait")
 * In the opening sequence, there are few second clips of previous "Treehouse of Horror" specials.
 * One of the students in Hellroads was force-fed doughnuts in the background, like Homer was in Hell. ("The Devil and Homer Simpson" skit of "Treehouse of Horror IV")
 * The old Simpson family from the shorts were seen buried in "Adventures in Baby-Getting".
 * There were also seen buried in the Guillermo del Toro opening sequence.
 * The animal versions of the Simpsons appear. ("Treehouse of Horror XIII")
 * When Dr. Marvin Monroe enters the room, Marge questions whether he is alive or dead calling back to "Diatribe of a Mad Housewife" where he returned out of the blue at her book signing.
 * The LEGO Simpsons appear. ("Brick Like Me")
 * The end is a parody of the short "Family Portrait".

Trivia

 * The is heard when the external of the hell school is shown.