Treehouse of Horror XI

"Treehouse of Horror XI"
The Simpsons episode
Promotional artwork for the episode featuring the family as The Munsters.
Episode no.Season 12
Episode 1
Directed byMatthew Nastuk
Written byG-G-Ghost D-D-Dad:
Rob LaZebnik
Scary Tales Can Come True:
John Frink
Don Payne
Night of the Dolphin:
Carolyn Omine
Production codeBABF21
Original air dateNovember 1, 2000 (2000-11-01)
Episode features
CommentaryMatt Groening
Mike Scully
John Frink
Don Payne
Rob LaZebnik
Matt Selman
Carolyn Omine
Max Pross
Episode chronology
List of episodes

"Treehouse of Horror XI" is the first episode of the twelfth season of the American animated television series The Simpsons, the 249th episode overall, and the eleventh Halloween episode. The episode features "G-G-Ghost D-D-Dad", "Scary Tales Can Come True" and "Night of the Dolphin" and was written by Rob LaZebnik (story by Mike Scully), John Frink and Don Payne and Carolyn Omine and directed by Matthew Nastuk.

This year's installment sees Homer as a wandering spirit who must do one good deed before going to Heaven ("G-G-Ghost D-D-Dad"), Bart and Lisa as genre-savvy peasant children who end up lost in a fairy tale forest in "Scary Tales Can Come True", and Springfield's population at war with sea mammals in "Night of the Dolphin".

The episode first aired on November 1, 2000, beginning a practice of the show's Halloween episodes debuting after the holiday itself due to Fox's late-October prime time schedule being pre-empted by the network's coverage of the 2000 World Series. (Until 2010, all subsequent Halloween episodes save for 2009's "Treehouse of Horror XX" premiered in November; 2011's "Treehouse of Horror XXII" onwards has had the network resuming airing the episodes on or before Halloween save for 2020's "Treehouse of Horror XXXI" having premiered in November.) This was also the first Simpsons episode to have mixed-case closed captioning. The episode received positive reviews from critics.