SFT-S01E05-Stranger in the Desert

Science Fiction Theatre is an American science-fiction anthology series syndicated and broadcast from 1955 to 1957. It was produced by Ivan Tors and Maurice Ziv. A total of 78 episodes was produced.
Hosted by Truman Bradley, a radio/tv announcer and 1940s movie actor, each episode introduced stories which had an extrapolated scientific, or pseudoscientific emphasis based on actual scientific data available at the time. Typically, the stories related to the life or work of scientists, engineers, inventors, and explorers. The program concentrated on such concepts as space flight, robots, telepathy, flying saucers, time travel, and the intervention of extraterrestrials in human affairs.
Episode five of the first season: stranger in the desert
Two uranium prospectors meet a stranger from another land who is searching for oxygen-producing plants.