Bat Out of Hell(1966)

Bat Out of Hell is a British thriller serial that aired on BBC Two in late 1966. Diana Stewart and Mark Paxton are lovers whose affair takes a dark turn when Diana's husband is murdered—and his voice begins haunting them over the telephone. As the couple grapples with guilt and terror, Detective Inspector Clay pursues the investigation, closing in on the truth. Created by Francis Durbridge, the series builds suspense through psychological dread and the supernatural menace of the dead man's calls, exploring the consequences of passion and crime in a claustrophobic narrative that unfolds across six weeks.