Earthsearch aired in early-1981 and ran for ten episodes. The story follows the Starship Challenger, a survey spacecraft launched to find another earth-like planet to colonise, however the unsuccessful mission has reduced the originally large crew count to just four.
The follow up to the original series, Earthsearch II continues with the four crew members attempting to find their way back to Earth; but struggle as the planet has been moved to orbit another star.
CBS radio drama Escape was an adventure anthology which was broadcast between 1947 and 1954 with a total of 228 episodes. It suffered from a lack of sponsorship which caused it to be moved around the schedules during its run. A number of famous names appeared including Art Carney, Betty Lou Gerson, and Vincent Price.