Satanis: The Devil’s Mass, A 1970 Documentary About Anton LaVey’s Church of Satan

Satanis: The Devil’s Mass is a 1970 documentary by Ray Laurent that takes an inside look at the Church of Satan, founded in 1966 by Anton Szandor LaVey. The film was shot inside the Church of Satan’s infamous “Black House” in San Francisco.

via Boing Boing