Space: 1999 - Ring Around the Moon

Seizoen: 1 - Aflevering: 19 / 19 - Eerst uitgezonden: 15 januari 1976 - Episode ID: 254736

The moon itself somehow becomes the prisoner of an alien planet as Alpha is gripped in a ring of light. At the same time, Dr. Russell becomes an involuntary informer with death as her only alternative.