When a bug flies into a bug-zapper, you hear a tiny, high-pitched "ow" in a nod to this film.
The one-eyed, drooling aliens are loosely modeled after the creature from this movie.
The house in the "Bad Dream House" segment is based on the house from Psycho's appearence.
The house from "Bad Dream House" is based on the Addams family's home.
The alien 'Kodos' is named in reference to the villain from this episode of Star Trek.
Kang is named for the Klingon Captain from this episode.
Kang & Kodos have this game on their ship and show it to The Simpsons
The strong use of primary colours in "Bad Dream House" resembles Argento's film.
A line from Lisa's story is "We have traced the call. It's coming from the floor below you. Get out of the house!", referencing the film's famous "The call is coming from inside the house" line.
After learning that people were more easily frightend when The Raven was written Bart mentions that even the first Friday the 13th is tame by today's standards.
The lay-out of the castle and the axe Homer wields.
The Simpsons' "Bad Dream House," like the Freeling's home, was built on an Indian burial ground and also implodes in the same manner.
Kang's cookbook animation is based on this episode, as is the cook book, itself.
Marge talks about last year's Halloween show; title reference; sequel episode.
A level is based in the "Bad Dream House" segment of this episode.
The How to cook humans > how to cook for humans > how to cook forty humans > how to cook for forty humans gag from this episode is re-used as a sign which changes in Kang's arena.
The cookbook from this episode is a collectable card. The episode name, code and quotes from the episode are written on the card.
Milhouse says the meeting at the treehouse has become a treehouse of horrors.
Homer says "it's not Halloween" to the appearance of Kang and Kodos.
Mike fondly remember this episode
Mike is watching the "Bad Dream House" segment of this episode on TV
One of the clips used in this clip show episode.
It opens with Marge stepping out from behind a stage curtain to warn the audience about the scary scenes to follow, just as Edward Van Sloan does in the original.
The "To Serve Man" bit is spoofed with a "To Serve Humans" cook book.
Maggie's head turns around several times like the girl in the Exorcist.
Many features of the haunted house in "Bad Dream House" segment including the bleeding walls.
After opening an empty cabinet Andy says "You know what's scarier than nothing? Anything!" quoting Bart in The Raven segment of the episode.