The Gravediggers (The Avengers)
"The Gravediggers" is the second episode of the fourth series of the 1960s cult British spy-fi television series "The Avengers", starring Patrick Macnee and Diana Rigg. It was first aired on ABC on 7 October 1965. The episode was directed by Quentin Lawrence, and written by Malcolm Hulke. Plot. Steed and Emma visit a railway buff to investigate a deathly plot to sabotage the country's early warning radar defence systems. Location. The Stapleford Miniature Railway near Melton Mowbray, Leicestershire was where Emma Peel was filmed tied to the railway track. The Gravediggers (The Avengers