"The Devil In The Dark"
Airdate: March 9, 1967
27 of 80 produced
25 of 80 aired
Click here to watch on CBS.com
Introduction
The Enterprise is sent to a vital mining planet which supplies the needs of many colony worlds. People and equipment are being destroyed by some mysterious force below. Can our intrepid crew discover what is causing the destruction, and stop it?
No Kill I!
