Watch Heaven's Gate: The Cult of Cults Season HD Full Free on solarmovie.do. Watch Heaven's Gate: The Cult of Cults tv series online free. A thorough examination of the infamous UFO cult through the eyes of its former members and loved one...A thorough examination of the infamous UFO cult through the eyes of its former members and loved ones. What started in 1975 with the disappearance of 20 people from a small town in Oregon, ended in 1997 with the largest suicide on US soil and changed the face of modern New Age religion forever.