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The Simpsons S21E4 — Treehouse of Horror XX
7.3
The Simpsons•Season 21•Episode 4

Treehouse of Horror XX

7.3/10 · 2,065 votesOct 18, 200923 min

Ranked #1 of 23 in Season 21•+0.6 vs season avg

Discussion

Dial "M" for Murder or Press "#" to Return to Main Menu- Lisa is forced into a Hitchcockian murder scheme by Bart. Don't Have a Cow, Mankind- Springfield is once again overrun by zombies, thanks to Krusty Burger's latest sandwich. There's No Business Like Moe

Directed byMike B. Anderson, Matthew Schofield
Written byDaniel Chun
Previous episodeE3 · The Great Wife HopeNext episodeE5 · The Devil Wears Nada
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Season 21 Episodes23

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Cast6

Dan Castellaneta

Dan Castellaneta

Homer Simpson / Abe Simpson / Barney Gumble / Krusty the Clown / Groundskeeper Willie / Mayor Quimby (voice)

Julie Kavner

Julie Kavner

Marge Simpson / Patty Bouvier / Selma Bouvier / Jacqueline Bouvier (voice)

Nancy Cartwright

Nancy Cartwright

Bart Simpson / Maggie Simpson / Nelson Muntz / Ralph Wiggum (voice)

Yeardley Smith

Yeardley Smith

Lisa Simpson / Maggie Simpson (voice)

Hank Azaria

Hank Azaria

Moe Szyslak / Chief Wiggum / Apu / Comic Book Guy / Carl Carlson / Superintendent Chalmers (voice)

Harry Shearer

Harry Shearer

Ned Flanders / Mr. Burns / Smithers / Principal Skinner / Lenny Leonard (voice)

Crew4

Daniel Chun

Daniel Chun

Writer

Mike B. Anderson

Mike B. Anderson

Director

M

Matthew Schofield

Director

J

John Frink

Co-Executive Producer

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Episode Summary

"Treehouse of Horror XX" is episode 4 of The Simpsons season 21. It scored 7.3/10 from 2,065 votes, ranking #1 of 23 episodes this season (season average 6.7). Directed by Mike B. Anderson, Matthew Schofield and written by Daniel Chun, it aired on October 18, 2009.

Next: E5 · The Devil Wears NadaBest of Season 21