AllMovie

Superman (George Reeves) takes to the airwaves--the radio airwaves, that is--to declare war against gangster boss D.W. Griswald (Freeman Lusk). In retaliation, Griwald teams up with sinister scientist Prof. Von Brunner (George Selk), who has developed a process to extract Kryptonite from the earth and convert it into a deadly light beam (If you need reminding, Kryptonite is the only known element that can render Superman helpless). Kidnapping Lois (Noel Neill) and Jimmy (Jack Larson) to lure Superman into a trap, the crooks manage to gain the upper hand--until the Man of Steel decides to resort to a magic trick he'd learned from amateur illusionist (and "Daily Planet" editor) Perry White (John Hamilton).