Black Sabbath (aka I tre volti della paura, or The Three Faces of Fear) is an Anthology Film directed by Mario Bava and starring Boris Karloff.Two versions of the films exist, the original European version and the American cut released by American International Pictures. The latter version has a different order for the segments, different introductory segments from Karloff and in some cases alterations to the stories themselves.
- The Telephone: A woman is terrorized by threatening phone calls from someone from her past.
- The Wurdulak: A man returns to his family as a wurdulak, a vampire that feeds on its loved ones.
- The Drop of Water: A nurse steals the ring from the body of a deceased medium only to be haunted by its spirit.
- Death by Irony: After effectively terrorizing her ex by pretending to be Frank in an attempt to get closer to her, Mary is killed by the real Frank.
- Decapitation Presentation: Gorca brings the severed head of the vampire he killed home.
- Dies Wide Open: The dead medium, to terrifying results.
- Have a Gay Old Time: "Can't I fondle my own grandson?"
- Horror Host: Boris Karloff introduces and closes the film.
- Hide Your Lesbians: The lesbian subplot from The Telephone is removed from the AIP version and the segment is significantly altered to make it a ghost story.
- Our Vampires Are Different: The vampires in The Wurdulak only feed on those that they love.