S04E04Doctor Who season 4 episode 4: The Sontaran Stratagem (1)
Aired 26 April 200847 minRated TV-PG
7.4TMDB · 75 votes
Where to watch Doctor Who Season 4 in Australia
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Availability checked 16 November 2026.
What happens in “The Sontaran Stratagem (1)”
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?
Episode summary: TMDB.
Before you watch
- It is episode 4 of 13 of season 4, so watch episodes 1 to 3 first.
- It runs about 47 minutes.
- Directed by Douglas Mackinnon, written by Helen Raynor.
- TMDB users rate it 7.4 out of 10 (75 votes).
Doctor Who trailer
The official trailer for the series (no preview of this episode has been published).
Play video: Doctor Who trailer
Cast and crew of this episode
- Director
- Douglas Mackinnon
- Writer
- Helen Raynor
- Guest stars
- Freema Agyeman as Martha JonesChristopher Ryan as Commander StarkRyan Sampson as Luke RattiganChristian Cooke as Ross JenkinsDan Starkey as Commander SkorrRupert Holliday-Evans as Colonel MaceEleanor Matsuura as Jo NakashimaWesley Theobald as Private Gray
Credits: TMDB.
More from Doctor Who Season 4
Every episode of Season 4Doctor Who episode guide
Episode names, air dates, runtimes, stills and ratings: TMDB. Air dates are the first broadcast anywhere; where it streams is our daily Australian check.