It's a bird! It's a plane! It's six exciting episodes of The Adventures of Superman!
In this action-packed serial, which aired from April 3 to 12, 1940, Superman is faced with the mystery of a missing explorer - and an even more mysterious sacred emerald of the Incas. Does the jewel hold the power to save the human race?
Clayton Bud Collyer plays the dual roles of Superman and Clark Kent, as he did for more than 2,000 episodes. The Adventures of Superman was a radio mainstay until its final episode in March 1951.
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