First Invasion of Earth

First Invasion of Earth was one of the Cyber-Documents, a set of audio-visual documents originating from Earth, which were compiled into the CyberHive. Designated Document 1, First Invasion of Earth was an account of the first recorded invasion of the planet Earth by the Cybermen (AUDIO: The Early Cybermen)

Behind the scenes
First Invasion of Earth corresponds with the Doctor Who story The Invasion.