Release Message:  Pilot Buck Rogers (Buster Crabbe) and his young passenger Buddy crash-land on a mountaintop and are put into suspended animation by a strange gas. They awaken 500 years later to a world taken over by the outlaw army of Killer Kane.

Description:  A giant dirigible, piloted by Buck Rogers and Buddy crashes on an icy Arctic mountain. A strange "Nirvano" gas in their gondola preserves the flyers in a state of suspended animation for 500 years. Rescued and revived by a group of scientists they discover that the world has been conquered by Killer Kane and a horde of super gangsters. Taken to the Hidden City, they meet Wilma Deering and Dr. Huer and agree to help them wipe out Kane. Huer has invented spaceships, de-gravity belts, invisible ray machines, atom chambers, ray guns, and other strange and powerful weapons to resist Kane. Buck, Wilma, and Buddy to Saturn in their spaceship to enlist the aid of the Saturnians. Bobmbed by one of Kane's pilots, their craft explodes just as they reach Saturn,