The Simpsons - Season 21, Episode 4 - Rotten Tomatoes

Treehouse of Horror XX




Critic Consensus: No consensus yet.

Episode Info

In "Treehouse of Horror XX," Lisa is drawn into a Hitchcockian revenge plot when she isn't chosen for an academic honor; Krusty invents a ghastly fast-food item that unleashes a plague of zombies; and Moe's microbrew has a vile secret ingredient.


Dan Castellaneta
as Homer Simpson/Grampa/Krusty the Clown/Barney/Mayor Quimby
Julie Kavner
as Marge Simpson/Patty Bouvier/Selma Bouvier
Yeardley Smith
as Lisa Simpson
Russi Taylor
as Martin Prince
Pamela Hayden
as Milhouse Van Houten/Rod Flanders
Tress MacNeille
as Mrs. Frankenstein/Mrs. Muntz/She-Mummy/Miss Springfield
Hank Azaria
as Apu/Carl/Comic-Book Guy/Snake/Moe Szyslak/Chief Wiggum
Harry Shearer
as Mr. Burns/Lenny/Ned Flanders/Seymour Skinner/Waylon Smithers
Marcia Wallace
as Mrs. Krabappel
Maggie Roswell
as Muncher Helen Lovejoy
Nancy Cartwright
as Bart Simpson/Ralph/Countess Dracula
View All

Treehouse of Horror XX Photos

Critic reviews for Treehouse of Horror XX

... a fantastic 28 Days Later spoof, in which everyone turns into zombies after eating tainted Krusty Burgers.

October 25, 2017 | Full Review…

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