Watch House of Dark Shadows (1971) (1970) HD Full Movie Free on solarmovie.do. Watch House of Dark Shadows (1971) (1970) online free. Vampire Barnabas Collins is accidentally released from his centuries-long confinement at his family'...Vampire Barnabas Collins is accidentally released from his centuries-long confinement at his family's estate in Maine. He targets his clueless descendants who live there now and pursues Maggie, the incarnation of his lost love.