House of Dark Shadows is a 1970 American feature-length horror film produced and directed by Dan Curtis, based on his Dark Shadows television series. In this film expansion, vampire Barnabas Collins searches for a cure for vampirism so he can marry a woman who resembles his long-lost fiancée Josette.

Dark Shadows is an American gothic soap opera that aired weekdays on the ABC television network from June 27, 1966, to April 2, 1971. The show depicted the lives, loves, trials, and tribulations of the wealthy Collins family of Collinsport, Maine, where a number of supernatural occurrences take place.