Series 4 - Episode 4: The Sontaran Stratagem

Written By:
Helen Raynor

Original Air Date:

26th April 2008

Synopsis:

With the mysterious ATMOS devices spreading across the world, Donna discovers that even her own family is not safe from the alien threat – but is it too late to save them? And what will she make of Martha Jones?

Monster/Villain:
Sontarans, Luke Rattigan, Martha's clone, U.N.I.T. soldiers (hypnotised)

Location:

London, Earth (2009)

Videos:
Preview Clip


Clip 2 - Rose


TV Trailer


Next Time Trailer