The Ambassadors of Death

053 – The Ambassadors of Death
Doctor Who serial
Cast
Others
Production
Directed byMichael Ferguson
Written byDavid Whitaker
Trevor Ray (episode 1, uncredited)
Malcolm Hulke (episodes 2–7, uncredited)
Script editorTerrance Dicks
Produced byBarry Letts
Music byDudley Simpson
Production codeCCC
SeriesSeason 7
Running time7 episodes, 25 minutes each
First broadcast21 March 1970 (1970-03-21)
Last broadcast2 May 1970 (1970-05-02)
Chronology
← Preceded by
Doctor Who and the Silurians
Followed by →
Inferno
List of episodes (1963–1989)

The Ambassadors of Death is the third serial of the seventh season of the British science fiction television series Doctor Who, which was first broadcast in seven weekly parts on BBC1 from 21 March to 2 May 1970. The serial's script was credited to David Whitaker but completed primarily by Malcolm Hulke and Trevor Ray. It was directed by Michael Ferguson.

The serial is set in London, Hertfordshire and the Earth's orbit. In the serial, the alien time traveller the Third Doctor (Jon Pertwee) and the international organisation UNIT investigate the disappearance of astronauts who have lost contact with Earth. They become involved in a conspiracy and meet alien ambassadors who have arrived on Earth.