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

Watch Doctor Who Season 4 Episode 4 Online

  • 7.2/10
  • COUNTRIES: United Kingdom
  • Subtitles: English

Aided by the Rattigan Academy, the Sontarans establish a covert base at the mysterious ATMOS Factory. Can the Doctor stop the Sontarans from unleashing a potent terror that will bring the world to its knees?