Dark Shadows - Season 9 Episode 21 DS-1001 Necking in the afternoon.
Overview: Angelique kills Alexis and put her in the coffin; Angelique later takes on the role of her sister. Angelique (posing as Alexis) tells Quentin that she agrees that “Angelique’s” body should be destroyed. Chris becomes suspicious when Cyrus is transferring money to John Yaeger. Quentin and Cyrus burn Angelique’s (Alexis’) body. At Collinwood Cyrus changes into Yaeger without drinking the potion.