Season 4, Episode 4 The Sontaran Stratagem
First Aired: May 16, 2008
Freema Agyeman reprises her role as Martha Jones, who phones the Doctor as an army of the Time Lord's old enemies, the Sontarans, kick their diabolical plan into motion.
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- Premiered: March 26, 2005
- Rating: TV-PG
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- Premise: Following the adventures of a time-traveling alien called "The Doctor" and his human companions as they deal with crises set on Earth and other worlds. (more)