Treehouse of Horror XVIII/References

Cultural References
Many parts of the segment "E.T., Go Home," are references to the film E.T. the Extra-Terrestrial, with Bart in the role of Eliott and Kodos as E.T. The "Mr. and Mrs. Simpson" segment is a parody of the 2005 film Mr. and Mrs. Smith. In the final segment, "Heck House", Groundskeeper Willie's tractor transforms into a robot and kills him, parodying Transformers.

kodos metoined colombus in this halloween's episode "E.T. Go Home."

Trivia

 * This is the first Treehouse of Horror to have the opening credits appear on the same location as the title.
 * A Funzo from Grift of the Magi appears on Bart's shelf.
 * A Linguo Is seen on Bart's Toys
 * A Phonics Frog also appears on the shelf