Dark Shadows - Season 9 Episode 78 : DS-1058 1971

Maggie plans to leave Collinwood, giving up hope of getting Quentin out of jail or finding Julia. Roxanne tells Barnabas that she loves him; fearing he will harm her Barnabas tells her that they can never see each other again. Roxanne returns and Barnabas bites her. Barnabas asks Roxanne to use her psychic powers to find Julia; Roxanne uses a scarf belonging to Julia (PT) claims that she is dead. Stokes finds the bite marks on Roxanne’s neck and realizes what Barnabas is. Barnabas and Maggie lock up and leave Collinwood; Julia is still alive trapped in the basement.