Space: 1999

Season 1, Episode 23

Episode Title: The Testament of Arkadia

Air Date: 1976-02-12

Overview:

The wandering Moon suddenly changes course and comes to a halt in the vicinity of a dead world. As Alpha's power fails, the only hope for survival is to evacuate to the planet, which was ravaged by a nuclear war in the distant past. Searching for answers, a team is sent to the surface, where they discover the shocking truth of the origin of Mankind.