Dark Shadows - Season 3 Episode 48 DS-240 Necking in the afternoon.
Overview: David sneaks down to the Old House to search for Josette, Barnabas catches and tells him that he should not trespass. Roger tells Barnabas that Dr. Woodard has some blood samples from Maggie that might be of some help finding her. David sneaks back to Old House and sees Maggie(but thinks she is Josette).