EP1007: The Mystery of the Letter, Part One
EP1007: The Mystery of the Letter, Part One  
Podcast: Old Time Radio Superman Show|Superhero Adventure Audiodrama
Published On: Sun Oct 08 2017
Description: Lois receives a letter from her sister telling her she's got a great story and is flying into Metropolis, however when Lois goes to the airport, her sister is nowhere to be found. Original Air Date: August 16, 1948