Doctor Who RPG: The Third Doctor Sourcebook
Exiled to Earth and prevented from travelling in time, the Doctor became UNIT’s scientific adviser and defended Earth against all manner of sinister threats! Face the plastic horror of the Autons, stop hordes of alien spiders and thwart the machinations of dangerous conspiracies! We’re running out of time, so quick - reverse the polarity of the neutron flow!
And above all, beware the Doctor’s ultimate nemesis - beware the Master!