"Death of a Great Dane" is the eighth episode of the second series of the 1960s cult British spy-fi television series The Avengers, starring Patrick Macnee and Honor Blackman. It was first broadcast by ABC on 17 November 1962. The episode was directed by Peter Hammond and written by Roger Marshall and Jeremy Scott.
When a road accident victim is found to have ã50,000 worth of diamonds in his stomach, Steed and Cathy are called in to investigate.