Where can I watch “Les Simpson” Season 37 Episode 3 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

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Watching earlier episodes in season 37 helps you follow the plot and character arcs leading into this episode.

Watch Les Simpson Season 37 Episode 3 Online

“Treehouse of Horror XXXVI” — Watch "Les Simpson" Season 37 Episode 3 online in HD for free. Check streaming providers, cast, and episode details.

Oct 19, 2025 Season 37 Episode 3 24 min 14+

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Les Simpson Season 37

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Season 37 Episode 3 — Aired on Oct 19, 2025 • runs about 24 minutes.

Directed by Matthew Faughnan.

Written by Dan Greaney, Michael Price.

Notable cast/guest names in this episode include Dan Castellaneta, Julie Kavner, Nancy Cartwright, Yeardley Smith.

This page includes 2 official still(s) (when available) plus legal availability links.

Looking for “watch Les Simpson Season 37 Episode 3 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

Springfield est menacée par un mystérieux monstre tueur surgissant des égouts, Krusty accueille un invité démoniaque pour son émission spéciale d'Halloween, et l'action se transporte mille ans dans le futur, dans une version post-apocalyptique et en plastique de la ville.