The Catacombs Episode Guide

Ring Around the Moon

Black Sun Year 1 - Episode 4 Earthbound

Screenplay by Edward Di Lorenzo
Directed by Ray Austin
Belgium (Flemish) In de Macht van Triton
France/Canada L'anneau de la Lune The Ring Of The Moon
Germany Ein Ring von Licht A Ring Of Light
Italy Gli occhi di Tritone The Eyes Of Triton
Japan Revolt of the Space Computer
Netherlands Een kring om de maan
Poland Pierscien wokol Ksiezyca
Portugal Os Cativos The Captives
Portugal Os Cativos de Triton The Captives Of Triton
South AfricaKring Om Die Moon Circle Round The Moon
Spain Anillo alrededor de la luna Ring Around The Moon

The moon becomes a prisoner of an alien planet as an eerie new menace grips Alpha in a ring of light and turns Dr. Helena Russell into an involuntary informer, with death as her threatened reward. ITC summary


Ring Around The Moon


Int. Main Mission
Int. Command Office
Int. Care Unit
Int. Victor's Quarters
Int. Alpha Corridor
Int. Travel Tube
Int. Eagle Pilot Section
Int. Eagle Passenger Section
Int. Airlock

Ext. Moon Surface
Int. Triton Void

Main Mission is still in the early layout with steps to the viewports, but the viewports have shifted forwards.

The Care Unit set was also seen in Matter Of Life And Death (most Year One medical sets were only seen once).


Ring Around The Moon
Ring Around The Moon Ring Around The Moon


Ring Around The Moon

Original score by Vic Elms and Alan Willis, recorded at Wembley on Monday 6th May 1974. Vic Elms was supposed to have prepared a score and conduct the orchestra. But Elms could not write music and did not know how to conduct. Instead he tried to demonstrate themes on his guitar. The orchestra refused to work with him, so (music arranger) Alan Willis had to take over, improvising some scores on the day.

One library track is used: the ominous drum sounds from the start of Drumdramatics No.1 by Robert Farnon is heard is the second half of the moonwalk sequence.


Ring Around The Moon



Early Main Mission layout

Alpha Personnel:

Ring Around The Moon

2 fatalities: Ted Clifford, Donovan

Alpha Technology:


Ring Around The Moon

Eagle 1 (Koenig); 3 (Alan & Donovan, crashed)

The Eagle crash is repeated in Space Brain.


None. We learn Triton is destroyed.


Tritonians. They do not have human form.


Ring Around The Moon


Ring Around The Moon

When Clifford puts his instrument down on the viewport sill, it is obvious there is no glass.

Ring Around The Moon

When Koenig puts his commlock down during the interview with Alan, it features his picture on the full side of the commlock. In other shots it is a normal smaller picture.

Ring Around The Moon

Helena's thermograph is held up the wrong way round (so we can read her name).


Ring Around The Moon
Ring Around The Moon Martin Landau, Barbara Bain, Gerry and Sylvia Anderson, 14th March 1974



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Contents copyright Martin Willey