One of the great horror anthology films of all time hosted by the great Boris Karloff, and Mario Bava’s personal favorite of his works, Black Sabbath solidified the director’s reputation as Europe’s maestro of the macabre. In The Telephone! a woman is haunted by menacing phone calls from a former lover. The Wurdulak stars Karloff as a vampire hunter whose family is stalked by the wandering spirit of an undead ghoul. A Drop Of Water involves a nurse who steals a ring from a corpse – not realizing the curse that is carried with it.