Only the first episode actually features the children in a treehouse telling stories; later installments dropped this framing device due to airtime constraints but kept the title.
Life's a Glitch, Then You Die : The Y2K bug infects every computer on Earth, causing a global technological apocalypse. Treehouse of Horror XI (Season 12, Episode 1) November 1, 2000 Segments:
War and Pieces : Bart and Milhouse play a cursed board game that brings classic games to life in the real world.
"Dry Hard," "BFF R.I.P.," "MoeFinger"
: Homer must perform a good deed to get into heaven, a fairy-tale parody, and dolphins taking over the world.
: These specials are intentionally more violent and darker than standard episodes. One recurring victim is Groundskeeper Willie , who has died in numerous specials, notably being killed by an axe in all three segments of Treehouse of Horror V . Notable Themes and Parodies
"The Ned Zone," "Four Beheadings and a Funeral," "In the Belly of the Boss" the simpsons treehouse of horror all seasons verified
: A gypsy curses Homer, a smart-house computer (voiced by Pierce Brosnan) falls in love with Marge, and Harry Potter is parodied in "Wiz Kids."
Treehouse of Horror XXI (S22) – War and Pieces (Jumanji with board game), Master and Cadaver (yacht horror). Treehouse of Horror XXII (S23) – The Diving Bell and the Butterball (Homer paralyzed), In the Na’Vi (Avatar parody). Treehouse of Horror XXIII (S24) – The Greatest Story Ever Holed (black hole in backyard), Unnormal Activity (Paranormal Activity parody). Treehouse of Horror XXIV (S25) – Oh, the Places You’ll D’oh! (Dr. Seuss parody), Dead and Shoulders (Bart’s head on Lisa’s body).
: Homer gets paralyzed by a spider, Ned turns into a Dexter-style vigilante, and a massive Avatar parody. Only the first episode actually features the children
Death Tome : A highly stylized anime segment parodying Death Note , animated by DR Movie.
If I Only Had a Brain: Mr. Burns puts Homer’s brain into a giant robot. Treehouse of Horror III (Season 4, Episode 5)
Desperately Xeeking Xena : Bart and Lisa gain superpowers and battle Comic Book Guy, who has kidnapped Lucy Lawless. "Dry Hard," "BFF R
Over the years, the Treehouse of Horror episodes have evolved to incorporate various themes, styles, and formats. While some episodes focus on traditional horror and parody, others explore science fiction, fantasy, and social commentary. The series often pays homage to classic horror movies, literature, and pop culture icons.
Toy Gory : A dark, stylized parody of Toy Story where sentient toys take revenge on Bart for abusing them.