Scientists and technicians of five European powers gather 250,000 miles from Earth to probe secrets of the universe.

Dr Helen Smith becomes concerned over the mental state of pilot Harry Sanders. She expresses her feelings to the base's second in command, Michael Lebrun, and tries to convince him to get Commander Ransom to remove Sanders from duty.…

After a number of mysterious deaths, paranoia sets in as the crew begins to believe the deaths are being committed by a 'Moon Monster' living on the surface of the Moon.

The station's crew suffers from an unusual number of accidents and mistakes. Caulder must deal with the problems while trying to operate within his Earth-bound superiors' budgetary limitations.

An auditor is sent to Moonbase 3 from the European Headquarters in Brussels to investigate whether or not the cost of operating the base is justified. Caulder demands results for the base scientists as Smith becomes concerned over the…

An accident strands Hill in a shuttle between Earth and the Moon. The only person who can save him is Russian cosmonaut Gararov. However, to rescue Hill, Gararov would have to disobey the orders of his superior: General Trenkin, commander…

The Artic Sun Project proposes to use a nuclear explosion over the Artic, thereby, melting the ice and creating a 'Garden of Eden'. The project's designer, Sir Benjamin Dyce, comes to Moonbase 3 in an attempt to stop the program in fear…



