In the 21st century, Earth begins the colonization of Mars. However, things do not go as planned, at first due to the hostile Martian natives and later because of the self-destructive Earthmen.
Cast:Rock Hudson , Gayle Hunnicutt , Bernie Casey , Christopher Connelly , Nicholas Hammond , Darren McGavin , Roddy McDowall , Bernadette Peters , Joyce Van Patten , Maria Schell , Fritz Weaver , Linda Lou Allen , Michael Anderson Jr. , Robert Beatty , James Faulkner , Jon Finch , Terence Longdon , Barry Morse
The exploration of Mars begins with two failed expeditions. Colonel Wilder then leads a crew to discover the secret of Mars - only to find all the Martians dead from chicken pox.
With native Martians wiped out by disease, thousands of humans now colonize the red planet and attempt to create a second Earth.
With Earth destroyed in a nuclear war, Colonel Wilder finds himself alone with his family on Mars. To rebuild what he has lost, Wilder chooses to make Mars his new home.