Robinson Crusoe on Mars

Commander Christopher "Kit" Draper (Paul Mantee) is stranded on Mars after his spaceship crashes, leaving him with only a monkey named Mona for companionship. He must figure out how to survive on the lifeless planet by sourcing oxygen, water, and food. As the days turn into months, Draper's mental state begins to deteriorate, leading him to imagine scenarios and confront the possibility of alien life. Eventually, he is rescued by an unknown stranger who becomes his ally, helping them escape the hostile Martian environment together.