Fair rating?The Simpsons· Season 30 · Episode 4
Treehouse of Horror XXIX
Homer wins an oyster-eating contest against the mythical Cthulhu, Springfield is overrun by plant body-snatchers, Lisa finally snaps and Mr. Burns opens a retirement home with some Jurassic upgrades.
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#20In Season 30of 23 rated episodes
#772All-timeof 801 rated episodes
−0.4vs season avgSeason 30 averages 7.4
2018First airedOctober 21, 2018
Guest stars
Pamela Haydenas Milhouse Van Houten (voice)
Tress MacNeilleas Agnes Skinner (voice)
Maggie Roswellas Ms. Hoover (voice)
Tress MacNeilleas Mrs. Muntz (voice)
Kevin Michael Richardsonas Cthulhu (voice)
Kevin Michael Richardsonas Phloem (voice)
Chris Edgerlyas Xylem (voice)Crew
Matthew C. FaughnanDirector
Joel H. CohenWriter