Grey Matter
Official adaptation of Stephen King's short story from the anthology NIGHT SHIFT. The film tells the story of Issac, a young man who must care for his war vet, alcoholic father after they're both abandoned by his mother. Issac finds release from his trouble at home by acting out in school, mainly by telling lies. Unfortunately, these lies have consequences when Issac's father begins a horrific transformation.
Below are the streaming services currently carrying the movie “Grey Matter” 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 Grey Matter in Canada
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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: 15 Sept 2026.