https://www.OldTimeRetroRadio.com An otherworldly mystery grips Metropolis as Superman faces a strange new threat — creatures not of this Earth.In this thrilling episode from The Adventures of Superman, the Man of Steel confronts an alien menace that tests both his strength and his humanity.Experience the excitement, imagination, and classic heroism that made this Golden Age radio series one of history’s greatest adventures. 🎧 Fully restored and professionally remastered with enhanced audio.Source: [OTRR.org] – Certified Public Domain Collection.Restoration and curation by Old Time Retro Radio. 🎧 Listen to The Adventures of Superman and all our restored classics on Spotify and Apple Podcasts.📻 Search Old Time Retro Radio on your favorite podcast app to explore the complete collection. #OldTimeRadio, #Superman, #GoldenAgeBroadcast, #VintageSuperhero, #ClassicRadio