Unknown Powers (1978) is a Mystery, Documentary, Drama film that follows a documentary –actually three episodes of a canceled TV series edited together– examining various phenomena, including ESP, psychic surgery and past-life hypnosis. Currently, you can watch Unknown Powers on Amazon Video. Streaming availability may vary by country and platform over time. It has a user rating of 6.2 out of 10 from 3 votes. Fans of mystery movies may also want to explore similar titles below.