Dick Powell's Zane Grey Theatre S22E01 - Attack of the Cybermen (1)

Dick Powell's Zane Grey Theatre (1956)
S22E01 Attack of the Cybermen (1)
Episode Overview
In 1985 London, the alien mercenary Lytton has found himself stuck for almost a year, but he's finally devised a scheme to break free. However, his escape hinges on the involvement of the Doctor's former adversaries. The question remains: why have they chosen this specific moment in Earth's timeline to make their presence known?