Doctor Who and the Tenth Planet

The Sergeant blinked again. Three lights were moving towards him through the murk of the blizzard. Even as he looked, the lights changed into three tall, straight figures, clad in silver-armoured suits, advancing across the ice with a slow deliberate step. Horror-struck, the Sergeant reached for his gun, and a stream of bullets sprayed across the marching figures. BUT THEY CONTINUED MARCHING...

The CYBERMEN have arrived. The first invasion of Earth by this invincible, fearless race-and the last thrilling adventure of the first DOCTOR WHO.