Adventures of Superman (1952–1958)
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The Unknown People: Part I 

Clark Kent and Lois Lane travel to Silsby, site of the deepest well ever drilled. But when they arrive, the well is being shut down and the oil company manager present isn't saying why. ... See full summary »


Lee Sholem


Whitney Ellsworth (teleplay), Robert Maxwell (teleplay)




Episode cast overview:
George Reeves ... Superman / Clark Kent (archive footage)
Phyllis Coates ... Lois Lane (archive footage)
Jeff Corey ... Luke Benson (archive footage)
Walter Reed ... Bill Corrigan (archive footage)
J. Farrell MacDonald ... Pop Shannon (archive footage)
Jack Narz ... Narrator (archive footage)


Clark Kent and Lois Lane travel to Silsby, site of the deepest well ever drilled. But when they arrive, the well is being shut down and the oil company manager present isn't saying why. Meanwhile, two short beings with large heads and furry hands come up from the well to explore. Luke Benson leads a mob of townspeople wanting to kill the "unknown people." Despite Superman's efforts to calm things down, the mob has tracked the two creatures to the top of a dam, trying to kill them. What the mob doesn't know is the creatures cause things they touch to glow in the dark -- and may be radioactive. Written by Bill Koenig

Plot Summary | Plot Synopsis





Release Date:

10 August 1953 (USA) See more »

Company Credits

Show more on IMDbPro »

Technical Specs


Sound Mix:

Mono (RCA Sound System)

Aspect Ratio:

1.33 : 1
See full technical specs »

Did You Know?


This episode, and the next one, The Unknown People: Part II (#1.26), was originally part of theatrical film Superman and the Mole-Men (1951). The producers of the series later edited the film into episodes of the show. See more »


When the little men are exploring by the flower bush they are walking on grass but then they get scared when they see a snake slither by but the snake is on dry dusty ground with no grass. See more »


Edited from Superman and the Mole-Men (1951) See more »

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User Reviews

Radioactive Mole Men Arrive
31 January 2015 | by HitchcocSee all my reviews

In the first half of this two parter, Clark and Lois go to a small town to see the world's deepest oil well. As they arrive, the company is shutting it down. They are also getting rid of damaged equipment. Not having an opportunity to get a story, the two reporters are ready to call it a day. At dusk, a well cap is opened and two little bald guys crawl out. They are denizens from six miles down. They are exploring the world that is open to them. The problem, among others, is that they are radioactive. They surprise an old man at a maintenance shack and he drops dead from a heart attack. The oil foreman finally tells Clark about the problems they have been experiencing since they hit a pocket below the ground where the drill bit simply swung in space. They also have evidence there is a civilization down there. In typical horror movie style, one of the townsmen begins to incite the natives. They grab whatever they can for weapons, get the bloodhounds, and head for the little guys. Clark leaves and returns as Superman and he tries to calm the crowd but to no avail. As the episode ends the townspeople are more dangerous than these little aliens.

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