The Simpsons
Treehouse of Horror XXXVI
TV Flash files “Treehouse of Horror XXXVI” as hour 789 of 802 in the TV Flash guide — The Simpsons (1989–present) on Fox, season 37, episode 3, aired 2025-10-19, 30 min.
From the desk
How this hour is filed
This leaf is S37E03: listed hour 789 of 802 in the The Simpsons guide, hour 3 of 15 in season 37. It aired 2025-10-19 (30 min). The listed hour before it is “Keep Chalm and Gary On” (S37E02). Next is “Men Behaving Manly” (S37E04). Broadcast log — titles and dates, not a plot bible.
Catalog log
Broadcast listing — not a TV Flash recap.
In this year's installment of the annual fright-fest, the town is menaced by a mysterious murdering monster from out of the sewers, Krusty has a demonic special guest on his live Halloween special, and we go a thousand years into Springfield's poseable plastic post-apocalyptic future.
Viewer FAQ
Where does Treehouse of Horror XXXVI sit in the The Simpsons guide?
S37E03 is listed hour 789 of 802 — hour 3 of 15 in season 37, season 37 episode 3.
When did The Simpsons S37E03 air?
Treehouse of Horror XXXVI aired 2025-10-19 and is listed at 30 minutes.
Where should I start if I am not watching all 800 episodes?
Start with the 1989 Christmas premiere, then a handful of golden-age hours from seasons four through eight. Treat the rest as a library, not a novel.
In the series
Why this series still plays
Watch it as a living joke encyclopedia, not a series you owe from pilot to present. The early years still teach how American satire learned to reset weekly; the later catalog is optional weather. You already speak Springfield. This is how the grammar got written.
The first image is a couch, and then it is not. The Simpsons treats the opening gag as a weekly contract: we will reset the living room, and we will still find a new joke about the country that owns it. Fox put a yellow family on Sunday nights in 1989 after the Tracey Ullman shorts, and the half-hour that followed did not merely popularize adult animation. It installed a shared vocabulary. People who stopped watching still speak Springfield.
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