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Watch Doctor Who Season 21 Episode 17 Online

  • 7.862/10
  • COUNTRIES: United Kingdom
  • Subtitles: English

The planet Androzani Minor, the distant future. In the planet's caves war rages between government troops and the android warriors of the mysterious Sharaz Jek. But what makes spectrox, the substance they battle to control, so valuable? And how far will the Doctor go to protect his companion?