What happens
Superman and Batman search the Daily Planet's back issues for the address of the Rajah of Sarak, a UN delegate who has just moved into an apartment in Metropolis, hoping to find Spider-Gans and Robin. Meanwhile, Spider's henchman Jonesy prepares to kill Robin in a parked car, but Robin fights back and escapes with the help of a masked figure in a costume like his own. Robin and Billy Riggs then flee Spider in a car, but they are trapped at a dead-end street. The Adventures of Superman is a radio series, and this episode aired on February 25, 1947.
Metropolis, including the Daily Planet offices, the Crescent Towers apartment, a dark alley and a dead-end street
Characters: Superman, Batman, Robin, Spider-Gans, Jonesy, Billy Riggs, Rajah of Sarak, Inspector Henderson
Listen for: Robin's escape from the car and the chase that ends in a dead-end street
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.