Zoe, Jamie and Isobel confront the Cybermen advancing on them from all sides in the sewers beneath London.The Doctor hurries to devise a protection from the Cybermen's hypnotic signal, as they set ...

The Cybermen have immobilised the Earth's population with a hypnotic signal. Their fleet arrives and they invade in force. The Doctor desperately attempts to persuade Vaughn to help him resist the ...