– THOH VIII : The The Fly parody ( The Flys of Horror ) features a deleted scene where Homer-as-fly sings “Fly Me to the Moon.”
I've Grown a Costume on Your Face : A real witch transforms the townspeople into actual versions of their Halloween costumes. Treehouse of Horror XVII (Season 18, Episode 4) November 5, 2006 Segments:
Even the get in on the fun. In the DVD commentary for “Time and Punishment,” the writers revealed that one of Homer’s improvised lines during a time‑travel rampage was left in the final cut—and has “engendered much debate among Simpsons fans over the years” as to its meaning.
Bart, Lisa, and Milhouse gain radioactive superpowers in a chronicle mimicking the found-footage film Chronicle . Treehouse of Horror XXVII (Season 28, Episode 4) The historic 600th episode of The Simpsons . the simpsons treehouse of horror all seasons verified
Homer and Marge live a secret double life as elite, competing assassins ( Mr. & Mrs. Smith ).
A Victorian-era London detective story tracking "The Mutton Chop Murderer," parodying Sherlock Holmes.
. Since then, an anthology episode has aired every single season, consisting of three self-contained stories that exist outside the show’s normal continuity. As of the current 2025–2026 television season, there are 37 verified Treehouse of Horror installments – THOH VIII : The The Fly parody
A lavish gothic parody of Francis Ford Coppola's Bram Stoker's Dracula , revealing Mr. Burns as the head vampire. Treehouse of Horror V (Season 6, Episode 6)
Desperately Xeeking Xena : Bart and Lisa gain superpowers and battle Comic Book Guy, who has kidnapped Lucy Lawless.
: 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 Bart, Lisa, and Milhouse gain radioactive superpowers in
Treehouse of Horror II (8F02) Airdate: October 31, 1991 Verified Segments: 3
Bart's Nightmare (The Twilight Zone Parody) : Bart gains god-like omnipotent powers and transforms Homer into a jack-in-the-box.
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).
, including the most recent "Treehouse of Horror XXXVI" which aired in October 2025. Verified Season-by-Season Highlights