Cthulhu
A Seattle history professor, drawn back to his estranged family on the Oregon coast to execute his late mother's estate, is reacquainted with his best friend from childhood, with whom he has a long-awaited tryst. Caught in an accelerating series of events, he discovers aspects of his father's New Age cult which take on a dangerous and apocalyptic significance.
Below are the streaming services currently carrying the movie “Cthulhu” in the United Kingdom, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in the United Kingdom can differ from other countries.
Where to watch Cthulhu in United Kingdom
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Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 20 Sept 2026.