Doctor Who: Earthshock
The Doctor and his companions face a terrifying force in the caves of 26th century Earth.
Episode 1
Silent but deadly androids are protecting a bomb buried beneath the Earth.
Episode 2
With her crew slowly vanishing, Briggs assumes the Doctor to be the guilty party.
Episode 3
The Cybermen are released from their silos and on the march.
Episode 4
The Doctor realises the freighter is now a huge bomb, with one passenger still aboard....
