Convict No Open Or Close
A convict chooses permanent exile to Mars over a fifteen-year Earth prison sentence, but after a decade steals a spacecraft in a desperate bid to return home. This was the premiere episode of the series.
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Exploring Tomorrow is an American old-time radio series which ran on the Mutual Broadcasting System from December 4, 1957, until June 13, 1958. An advertisement described it as "the first science-fiction show of science-fictioneers, by science-fictioneers and for science-fictioneers - real science fiction for a change!"
Wikipedia. CC BY-SA 4.0. Updated Dec 27, 2025.
“Convict No Open Or Close.” Exploring Tomorrow. Radio broadcast, December 11, 1957.
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