Dark Shadows Season 11 Episode 39 DS-1149 ( Air Date 1970-11-19 ) Genre Drama, Sci-Fi & Fantasy, Soap category. Overview "Roxanne tries to stop Barnabas from taking Julia away. Roxanne attacks Trask. Barnabas tells Randall that Roxanne is a vampire. Barnabas and Randall follow Trask as he is summoned by Roxanne. Randall waits for Roxanne to return to her coffin to destroy her.".