What happens
Superman, with Clark Kent and Colonel Gridley of American intelligence, pursues the Nazi scientist Toyfel, who has stolen a fragment of Kryptonite. In Berlin, the Russian police have questioned a German prisoner who swapped clothes with a man matching Toyfel's description, and the Americans and Russians coordinate a search. Meanwhile, Toyfel reaches a hidden cave in the Black Forest, where former Nazi leaders are hiding. He tells the chemist Professor Milch that the Kryptonite can be dissolved to create a powerful man who could control Superman. The series is The Adventures of Superman, first broadcast on October 16, 1945.
Berlin and the Black Forest of Germany, shortly after the Second World War
Characters: Superman, Clark Kent, Colonel Gridley, Toyfel, Captain Nikolai Mysky, Professor Milch, General Brumburg
Listen for: Toyfel's proposal that one of the hidden Nazis become the world's first atom man, and the toast that follows
Written from the episode itself; it never gives away the ending. Every recording is remastered for the stream: cleaned of rumble, hiss and mains hum (and the old TV whine where we found it), then levelled in two passes to steady broadcast loudness, so one show is never quieter than the next.