https://www.OldTimeRetroRadio.com Metropolis is in chaos as a criminal mastermind launches a wave of destruction across the city — and even Superman may be pushed to his limits.Originally broadcast during radio’s Golden Age, City Under Siege captures the thrilling tension, heroism, and moral courage that made The Adventures of Superman one of the most iconic series in broadcast history. 🎧 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 shows 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