Bat Out of Hell is a British Thriller television serial created by Francis Durbridge and originally aired on BBC Two from 26 November to 24 December 1966. The series followed two lovers, Diana Stewart (Sylvia Syms) and Mark Paxton (John Thaw), who are haunted by the voice of Diana's husband over the telephone after he is murdered by the couple. Inspector Clay (Dudley Foster) was the detective inspector who headed the police investigation.