1. RADAR PATROL VS THE SPY KING (Part 1 of 2) Kirk Alyn (1949) - 12 Chapter Movie Serial from Republic Pictures.
John Baroda, a neo-Nazi and his alter ego, The Spy King and his aide Nitra, are part of a sabotaging team for a vast defense system of radar stations along the US borders. Radar Defense Bureau operative Chris Calvert (Kirk Alyn) comes to the rescue of radar scientist, Joan Hughes, who has been kidnapped by Baroda's henchmen
2. RADAR PATROL VS THE SPY KING (Part 2 of 2) Kirk Alyn (1949)