Empress of Mars (TV story)

 was the ninth episode of the tenth series of Doctor Who produced by BBC Wales. This episode was notable for introducing in 2017 the first on-screen female Ice Warrior, the Ice Queen Iraxxa, 50 years since the species were introduced in 1967's The Ice Warriors.

Empress saw the return of two actors from classic Doctor Who: Ysanne Churchman, reprising the role of Alpha Centauri for the first time since in the 1974 story The Monster of Peladon, and Anthony Calf, who last appeared on televised Doctor Who in the 1982 serial, The Visitation. An image of Pauline Collins, who appeared in 1967's TV: The Faceless Ones is also seen, taken from her 2006 appearance as Queen Victoria in TV: Tooth and Claw.

Synopsis
When NASA discovers a message reading GOD SAVE THE QUEEN on Mars's surface, the Twelfth Doctor, Nardole, and Bill travel to the Red Planet to investigate it. On arrival, they find themselves embroiled in a conflict between the Ice Warriors and the Empress Iraxxa, and Victorian soldiers — who are determined to conquer Mars. It's just the same, only this time the humans are the ones invading. Now which side should the Doctor help: humans, or Ice Warriors? One thing is clear: the Doctor must choose fast, as the Martian hive awakens around them.

Plot
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Cast

 * The Doctor - Peter Capaldi
 * Bill - Pearl Mackie
 * Nardole - Matt Lucas
 * - Michelle Gomez
 * Godsacre - Anthony Calf
 * Catchlove - Ferdinand Kingsley
 * Friday - Richard Ashton
 * Iraxxa - Adele Lynch
 * Sergeant Major Peach - Glenn Speers
 * Jackdaw - Ian Beattie
 * Vincey - Bayo Gbadamosi
 * Knibbs - Ian Hughes
 * Coolidge - Lesley Ewen
 * Voice of Alpha Centauri - Ysanne Churchman

Crew
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People

 * Bill points out a photograph of Neil Armstrong on the wall of NASA. The Doctor clarifies that Armstrong was not the "first man on the Moon".
 * Godsacre was a "hero of Isandlwana".
 * The British Army have a portrait of Queen Victoria with them on Mars.
 * agrees to help Nardole get the TARDIS back to Mars.
 * Friday and Iraxxa have been in hibernation for 5,000 years.
 * Vincey is engaged to someone named Alice.

TARDIS

 * The TARDIS pilots herself autonomously back to the Doctor's office at St Luke's University.

Culture

 * The Doctor has never seen the Terminator movies but he has heard of the movie Frozen.
 * Bill compares the underground tunnels to those in The Thing.
 * Bill mentions the film The Vikings, which stars Kirk Douglas and Tony Curtis, and has an amazing theme tune.
 * Friday is named after Man Friday from Robinson Crusoe.
 * Godsacre finds the notion of a woman in the police force hilarious.

Music

 * Jackdoe sings "She Was Poor But She Was Honest" to himself.

Story notes

 * The read-through for Empress of Mars took place on 11 January 2017, and filming took place between 27 January and 22 February of that same year.
 * Actor Ysanne Churchman returns as the voice of Alpha Centauri at the age of 92, becoming the oldest actor to appear in the new television series of Doctor Who. To keep the reappearance of Alpha Centauri a surprise, Churchman was not credited in Radio Times, nor on the Doctor Who website.
 * Mark Gatiss explains on The Aftershow that Empress of Mars began as a sequel to the 2015 series 9 episode Sleep No More, but later turned into an Ice Warrior story, and with the inclusion of Alpha Centauri was intended as a third Peladon-story, until the story was fully formed.
 * Guest star Ferdinand Kingsley was currently co-starring with Jenna Coleman in the TV series Victoria. The image of Queen Victoria used for this episode, however, is a portrait of Pauline Collins from TV: Tooth and Claw.
 * At one point Iraxxa tells her soldiers to "sleep no more!" This is a reference to Gatiss' previous episode for the programme, TV: Sleep No More.
 * Ian McNeice was originally in talks to appear as Winston Churchill in the episode, but it was left on the scrapheap, as Mark and Steven couldn't fit a 20th century-individual into the 1881-set story.

Ratings
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Filming locations
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Production errors
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Continuity

 * The Doctor told Friday that he was an Honorary Guardian of the Tythonian Hive. (TV: The Creature from the Pit)
 * Friday was found to have hibernated for 5,000 years on Earth in 1881, the Doctor had previously encountered the Grand Marshall Ice Warrior Skaldak on Earth in 1983 who had also been in hibernation for 5,000 years. (TV: Cold War)
 * The descendants of Iraxxa's hive, which had woken up from hibernation and 'joined the universe' 102 years prior, are most likely the Ice Warriors who piloted the spaceship which rescued Skaldak from Earth.
 * The Doctor remarks on how he can't resist a countdown. He previously said similar of . (TV: Last of the Time Lords)
 * Bill mentions Neil Armstrong and the 1969 moon landing. The Tenth Doctor was present for it with companion Martha Jones (TV: Blink) while his eleventh incarnation witnessed the broadcast of Armstrong live while interrupting the footage with the image of a Silent. (TV: Day of the Moon)
 * Nardole knows how to pilot the TARDIS, (TV: The Return of Doctor Mysterio) though she isn't co-operating.
 * The TARDIS pilots herself autonomously. (TV: The Doctor's Wife, Hide, et al.)
 * A portrait of Queen Victoria appears. (TV: Tooth and Claw)
 * The Doctor visits one of the Ice Warrior Hives. (TV: Robot of Sherwood)
 * The Doctor previously dealt with another (apparently secret, as later stories feature the alleged first) mission to Mars by British explorers (TV: The Ambassadors of Death), as well as a UK space probe to the red planet (TV: The Christmas Invasion).
 * The Doctor has previously dealt with Daleks who, like Friday, appear to have become subservient to humans after having been rescued, only to have a secret agenda of reviving more of their race. (TV: The Power of the Daleks, Victory of the Daleks)
 * The Doctor has visited the remains of the Ice Warrior civilisation before. (TV: The Waters of Mars) where he met a group of human colonists as well hence he indicated to Bill that there weren't any humans on Mars in Victorian times but he remembered the events in 2059.
 * The Doctor complains that his sonic screwdriver still has no setting for wood. (TV: Silence in the Library, The Hungry Earth, Night Terrors, The Doctor, the Widow and the Wardrobe, In the Forest of the Night)
 * The Doctor sends a message to Alpha Centauri to start the new Ice Warriors' lives. (TV: The Curse of Peladon)
 * The Doctor mentions that Neil Armstrong was not the first man on the moon. (PROSE: Moon Blink)

DVD releases
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Blu-ray releases
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Digital releases
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