Dark Shadows - Season 8 Episode 15 DS-900 Necking in the afternoon.
Overview: Carolyn finds Paul acting paranoid and asks Julia to check on him. Barnabas reminds Paul of an agreement he made twenty years earlier. In 1949 Paul promised to give a man named Strak his most valuable possession. Paul later realizes that Carolyn is his most valuable possession and the Leviathans want her.