← Season 38
THE SIMPSONS · SEASON 38 · EPISODE 4

The Simpsons S38E04 Treehouse of Horror XXXVII

★ 8.6 · ESSENTIAL Oct 25, 2026 30 MIN FOX
Still from The Simpsons S38E04: Treehouse of Horror XXXVII

The episode in brief

Bart and Lisa are trapped in an abandoned immersive theme park experience. 

FAN DESK VERDICT An all-timer. This is the episode you show someone to explain why The Simpsons matters — clear the evening and watch it properly.

Who’s in it

SERIES REGULARS

Where it sits in the season

TAP A BAR TO JUMP

Where to watch S38E04

US · NOVEMBER 2026
AVAILABILITY IS FOR THE SHOW; NOT EVERY SERVICE CARRIES EVERY EPISODE · LINKS MAY EARN US POPCORN MONEY
8.6
THE FAN VERDICT
Canon. Required viewing for the fan card.

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S38E04 FAQ

When did The Simpsons S38E04 air?

The Simpsons S38E04 (“Treehouse of Horror XXXVII”) first aired on October 25, 2026.

Where can I watch The Simpsons S38E04?

In the US, The Simpsons season 38 — including this episode — is available on FX, Hulu, Disney+, fuboTV, DirecTV On Demand, Spectrum On Demand, YouTube TV, FOX One Amazon Channel, Hulu on Disney+, Amazon, Fandango at Home, and AppleTV.

Is The Simpsons S38E04 a good episode?

Fans rate The Simpsons S38E04 (“Treehouse of Horror XXXVII”) 8.6/10, which puts it in the essential tier for The Simpsons.