A college professor discovers his wife's visiting aunt is really an ancient witch who plans to inhabit his wife's body. Dr Jekyll tries a new potion, with unusual results. An unfaithful radio disc jockey finds himself being the sacrifice at a hellish radio station.
Did You Know?
The segment "The Flip-Side of Satan" employs an optical effect which uses some of the same footage (a man's face shot in close wide angle) that is used briefly in the Night Gallery opening title sequence. See more
I think it may be entirely logical that I am going mad.