Bad Medicine - S1-E8
Revealing mistake: Footage of the Diablero standing up after killing the first rich woman is re-used in the killing of the next rich woman, evident by the shot of the same curtains in the background for both murder scenes.
Kolchak: The Night Stalker (1974)
1 revealing mistake in Bad Medicine
Starring: Darren McGavin, Simon Oakland, Jack Grinnage, Ruth McDevitt
The Werewolf - S1-E5
Visible crew/equipment: In the cabin scene between Eric Braeden and the ship's purser, the shadow of a boom mike and a crew member can be seen.
Coach Toomey: Actually, Burdett never made the team.
Carl Kolchak: No?
Coach Toomey: You see, his butterfly stroke was like an effeminate moth.
Trivia: Lara Parker, who plays Madelaine the witch in this episode, also played Angelique, the witch in the TV series, "Dark Shadows."