Watch Trailer
DISCLAIMER: Not all titles shown are currently available on all streaming providers.

Watch Doctor Who Season 21 Episode 21 Online

  • 7.864/10
  • COUNTRIES: United Kingdom
  • Subtitles: English

Earth, the future. The genius Sylvest twins, child prodigies, are kidnapped by the mysterious Professor Edgeworth and taken to the planet Jaconda. But who is Edgeworth? Why does he serve the giant slug Mestor? And what is Mestor's plan?