Empress of Mars

273 – "Empress of Mars"
273 – "Empress of Mars"
Doctor Who episode
Cast
	Doctor Peter Capaldi – Twelfth Doctor;
	Companions Pearl Mackie – Bill Potts; Matt Lucas – Nardole;
	Others Michelle Gomez – Missy; Anthony Calf – Godsacre; Ferdinand Kingsley – Catchlove; Richard Ashton – Friday; Adele Lynch – Iraxxa; Glenn Speers – Sergeant Major Peach; Ian Beattie – Jackdaw; Bayo Gbadamosi – Vincey; Ian Hughes – Knibbs; Lesley Ewen – Coolidge; Ysanne Churchman – Voice of Alpha Centauri;
Production
Directed by	Wayne Yip
Written by	Mark Gatiss
Produced by	Nikki Wilson
Executive producer(s)	Steven Moffat; Brian Minchin
Music by	Murray Gold
Series	Series 10
Running time	44 minutes
First broadcast	10 June 2017
Chronology
← Preceded by; "The Lie of the Land"	Followed by →; "The Eaters of Light"
	List of episodes (2005–present)

"Empress of Mars" is the ninth episode of the tenth series of the British science fiction television series Doctor Who. It was written by Mark Gatiss and broadcast on 10 June 2017 on BBC One. "Empress of Mars" received generally positive reviews from television critics.

The Doctor (Peter Capaldi), Nardole (Matt Lucas), and Bill (Pearl Mackie) travel to Mars, but upon arrival, they find themselves in the middle of a conflict between the Ice Warriors and Victorian soldiers. The episode marks the return of the Ice Warriors, last seen in "Cold War", an episode of the seventh series that was also written by Gatiss.