Space: 1999 - Voyager's Return

Seizoen: 1 - Aflevering: 6 / 6 - Eerst uitgezonden: 09 oktober 1975 - Episode ID: 254724

Grim danger emerges from the past as Alpha is threatened with destruction from an unmanned spacecraft. The ship was sent up from Earth many years earlier with tragedy in its wake. If this threat wasn't enough, victims from outer space threaten revenge.