What happens
Buzz Corey and Happy, his cadet, investigate a huge six-wheeled atomic drilling machine on the hot side of Mercury after a water conduit to the city of Solaria is broken. Their search for the missing Professor Malison, whose ship vanished on the dark side of the planet, is interrupted by the sabotage. Corey tracks a set of machine tracks through the cracked ground and finds the driller nearly on top of him and Happy, which then pursues them across the rough terrain. The episode is part of the Space Patrol radio series and is the 1952 broadcast dated November 8, 1952.
The planet Mercury, including the hot side near the city of Solaria and the cold dark side where Professor Malison's ship is missing.
Characters: Buzz Corey, Happy, Professor Malison, Lieutenant Ores, Colonel Henderson
Listen for: The drilling machine chasing Buzz and Happy across the cracked ground, and the news about the broken water conduit and Malison's automatic signal.
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.