What happens
Commander Buzz Corey and Cadet Happy of the Space Patrol pursue the criminal Ralph Bojour, who uses an invisibility device to hide his movements in Neptune City. Bojour and his accomplice Chip Gepner have kidnapped Lanine Harvey and forced her to build invisibility transmitters in a deserted factory. Corey and Happy follow the pair there, but the electronic field fails and they become trapped inside a huge metal storage tank. The transcript covers this opening stretch of the story, where the Space Patrol officers are sealed inside the tank and cut off from the factory.
The planet Neptune, in the capital city of Neptune City, at a deserted factory building and a storage tank inside it.
Characters: Commander Buzz Corey, Cadet Happy, Ralph Bojour, Chip Gepner, Lanine Harvey, Professor Rayburn
Listen for: Listen for the moment the invisibility field fails and Corey and Happy realize they are sealed inside the storage tank.
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.