Satanis: The Devil's Mass (1970) is a Documentary film that follows the film is a study of Anton Szandor LaVey, leader of a cult of devil worshipers in San Francisco. He and his Church of Satan are shown performing a black mass, in which a nude woman serves as an altar and a boa constrictor wraps itself around a naked witch. Newsreel footage is included in which LaVey's neighbors are interviewed about the lion which he kept in his house until complaints resulted in the animal's removal to a zoo. The ideology of the Church of Satan is discussed--guilt rejection, sexual freedom, and self-indulgence. Satanis: The Devil's Mass is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 5.4 out of 10 from 16 votes. Fans of documentary movies may also want to explore similar titles below.