A secondary mission in a new rocket, MR4, to the Moon takes off from Buchan Island. This time Henderson takes the lead role as pilot accompanied by Professor Wedgwood's oldest son Geoff as radio operator, Professor Mary Meadows, Henderson's niece Margret along with Hamlet. However one of the crew turns out to be science writer named Harcourt Brown who has plans to divert the ship to Mars determined there is life on the planet. Brown succeeds in getting MR4 to Mars, but with the length of the journey, the crew decide that the only way to get home is to find water on Mars.
Gerald Flood
Conway Henderson
George Coulouris
The Imposter / Harcourt Brown
Stewart Guidotti
Geoffrey Wedgwood
Pamela Barney
Professor Mary Meadows
Hester Cameron
Margret Henderson
Hugh Evans
Ian Murray
Astor Sklair
John Field
Bernard Horsfall
Professor Hawkins
Peter Williams
Professor Norman Wedgwood
The Unlisted76%
Land of the Giants67%
Touch66%
Phil of the Future67%
I Dream of Jeannie78%
My Favorite Martian61%
The Way Home75%
The Champions65%
Debris70%
The Boys84%
The Bionic Woman69%
DC's Stargirl76%
The Ray Bradbury Theater69%
Humans74%
Krypton70%
3rd Rock from the Sun74%
Miles from Tomorrowland70%
Spellbinder77%
Joan of Arcadia73%
Dark Matter77%
