The Man and the Challenge Season 1 (1959)

The Sphere of No Return

In order to test human stamina at high altitudes, Barton and two other men go up in a balloon. When one panics and fails the required standards he is replaced by a woman which draws a hostile response from the remaining pilot.

Maximum Capacity

Barton sends two men into the frozen north to test their endurance in extreme levels of cold and isolation. He wants to determine the best way to train men for high security jobs in the Arctic.

Odds Against Survival