Cthulhu (2008) is a Horror, Thriller film that follows 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. Currently, you can watch Cthulhu on Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video, Google Play Movies. Streaming availability may vary by country and platform over time. It has a user rating of 5.0 out of 10 from 51 votes. Fans of horror movies may also want to explore similar titles below.