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Watch Doctor Who Season 20 Episode 17 Online

  • 7.845/10
  • COUNTRIES: United Kingdom
  • Subtitles: English

After receiving a warning from the White Guardian, the Doctor initially believes the TARDIS has landed aboard an Edwardian clipper ship - but all is not as it seems. While the time travellers are caught up in the omnipotent Eternals' race for the ultimate prize, the Black Guardian's scheme to destroy the Doctor enters the end-game - but which side is Turlough a pawn of?