Cybermen Ambush - The Invasion - Doctor Who - BBC

With their invasion plan failed, the Cybermen threaten the Earth with a Cyber megatron bomb which will destroy all life on the planet. The Doctor and Tobias Vaughn race to turn off the radio transmitter which is beaming a homing signal for the bomb, but where are the guards? As it turns out, not that far away. Action-packed clip from The Invasion first shown in 1968.

The Brand New Doctor Who Website - www.doctorwho.tv
Doctor Who YouTube Channel www.youtube.com/user/doctorwho
Doctor Who Facebook: www.facebook.com/DoctorWho
Doctor Who Twitter twitter.com/bbcdoctorwho