Treehouse of Horror XI
Season 12, Episode 1November 1, 200030 minHalloween
Where to watch
In the 11th annual Halloween trilogy, a ghostly Homer tries to perform a good deed on Earth; Bart and Lisa are trapped in a fairy-tale forest; and dolphins revolt against humans after Lisa frees their king from the Springfield Marine Park.
- Treehouse of Horror V
S6 E61994
- Treehouse of Horror IV
S5 E51993
- Treehouse of Horror VI
S7 E61995
- Treehouse of Horror
S2 E31990
- Treehouse of Horror III
S4 E51992
- Treehouse of Horror VII
S8 E11996
- Treehouse of Horror II
S3 E71991
- Treehouse of Horror VIII
S9 E41997
- Treehouse of Horror IX
S10 E41998
- Treehouse of Horror XXXIII
S34 E62022
- Treehouse of Horror X
S11 E41999
- Treehouse of Horror XII
S13 E12001
- 1
- 2
- 3Werewolf by Night
Special
- 4HalloVeen
Brooklyn Nine-NineS5 E42017
- 5It's the Great Pumpkin, Charlie Brown
Special1966
- 6Epidemiology
CommunityS2 E62010
- 7
- 8Treehouse of Horror V
The SimpsonsS6 E61994
- 9
- 10What If... Zombies!?
What If...?S1 E52021
