Unholy Night: Zombie Grandma Christmas Horror Gets Shudder Trailer and Release Date

Unholy Night: Zombie Grandma Christmas Horror Gets Shudder Trailer and Release Date

Christmas dinner is about to get a lot more dangerous. Shudder has released the official trailer and poster for Unholy Night, a horror comedy in which a long-dead grandmother crashes a traditional Italian family Christmas Eve and starts killing. Directed by debut filmmaker Michael Gabriele and starring Marc Bendavid and Shailene Garnett, the Canadian production won the Gold Audience Award for Best Canadian Feature at Fantasia 2026. It arrives as a Shudder Original on 4 December 2026, and early reviews are split between warm praise for its heart and complaints about its rules.

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