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Underfist: Halloween Bash poster
MOVIE

Underfist: Halloween Bash

Underfist - Halloween Bash
TMDb7.4IMDbView on IMDb ↗2008-10-12· 61 min
ActionComedyFamilyFantasyAnimationTV MovieAdventureHorror

Irwin, Hoss Delgado, Jeff the Spider, Fred Fredburger, and General Skarr from the "Grim Adventures of Billy and Mandy" team up to fight an evil candy army from the Underworld on Halloween.

Top cast

Below are the streaming services currently carrying the movie “Underfist: Halloween Bash” in Canada, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in Canada can differ from other countries.

Where to watch Underfist: Halloween Bash in Canada

Netflix
Netflix
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OSN+
OSN+
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Amazon Prime Video
Amazon Prime Video
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Shahid
Shahid
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Watch It
Watch It
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TOD
TOD
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Disney+
Disney+
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Apple TV+
Apple TV+
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Not available

Not currently available on the supported providers in Canada.

Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 17 Sept 2026.

Where to watch Underfist: Halloween Bash by country