What happens
Henry Miller, a man with atomic power, has destroyed the huge Metropolis stadium and threatens to destroy the whole city piece by piece. Mayor Elbridge Thomas, Police Inspector Henderson, editor Perry White and reporter Jimmy Olsen gather at the mayor's home as the mayor takes a call from the atom man. Miller demands that the city hall flag be replaced with a swastika by sunrise, or the city will suffer a catastrophe. Meanwhile, reporter Clark Kent, who is Superman, is held prisoner in a concrete cellar, weakened and close to death. The Adventures of Superman is a radio serial from 1945, first aired on November 26 of that year, starring the cast of the series.
Metropolis, late at night, at the mayor's home and in a concrete cellar
Characters: Mayor Elbridge Thomas, Inspector Henderson, Perry White, Jimmy Olsen, Henry Miller, Clark Kent
Listen for: Henry Miller's demands over the phone and what Clark Kent is facing in the cellar
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.