Children radio shows were one of the factors that built whole generations of people gifted with great imagination - people like George Lucas or Woody Allen grew up listening to the shows full of adventures that took place in some exotic places. Radio was helping develop imagination since their minds had to fill the gaps between audio effects and the story itself to create a full image.
Commander Corry and Cadet Happy of the United Planets Space Patrol keep the space lanes a safe place and rush to help anyone in trouble.