UFO - The Sound of Silence

Seizoen: 1 - Aflevering: 23 / 25 - Eerst uitgezonden: 17 juli 1971 - Episode ID: 355916

A UFO hides in a lake on a country estate of a well-known equestrian, who has since disappeared. When SHADO tracks down the UFO and manages to destroy it, it breaks up and leaves a strange item floating in the lake.