Overview 
      
        
          | Originaltitel | 
          The Devil in the Dark | 
         
        
          | Production number | 
          26 | 
         
        
          | Air date | 
          Mar 9th, 1967 | 
         
        
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             | 
         
        
          | Director | 
          John Pevney | 
         
        
          | Teleplay | 
          Gene L. Coon | 
         
       
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      - Story
 
      
        
          | Stardate 3196.1 | 
         
        
          | A creature that has killed more than 50 miners on Janus turns out to be a mother
          protecting her unborn offsprings. | 
         
       
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      - Guest Cast
 
      
        
          | Janos Prohaska | 
          Horta | 
         
        
          | Ken Lynch | 
          Chief engineer Vanderberg | 
         
        
          | Barry Russo | 
          Lt. Cmd. Giotto | 
         
        
          | Brad Weston | 
          Ed Appel | 
         
        
          | Biff Elliot | 
          Schmitter | 
         
       
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      - Rating
 
      
        
     
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