The Doctor, Tegan and Turlough land inside an undersea secret military base in wartime Earth, 2084. The base is about to be attacked on two fronts. Enemy agents within work to neutralize the base while an assault team of aquatic Silurians prepare without for a surprise attack.
Did You Know?
did not know for many years that her role was first intended for a male actor. See more
What year are we in?
Around two thousand and eighty-four.
Little seems to have changed since my time.
Absolutely nothing, Tegan. There are still two power blocs, fingers poised to annihilate each other.
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