Death's Door (The Avengers)

"Death's Door" is the eighteenth episode of the fifth series of the 1960s cult British spy-fi television series The Avengers, starring Patrick Macnee and Diana Rigg, and guest starring Clifford Evans, Allan Cuthbertson, William Lucas, and Marne Maitland. It was first broadcast in the Grampian region of the ITV network on Wednesday 4 October 1967. ABC Weekend Television, who commissioned the show for ITV, broadcast it in its own regions three days later on Saturday 7 October. The episode was directed by Sidney Hayers, and written by Philip Levene.