The Enterprise is sent to investigate the disruption of the Gamma VII-A solar system and the destruction of the U.S.S. Intrepid, staffed solely by Vulcans. When they arrive they find a large dark mass floating in space that is draining energy from everything around it, including the Enterprise. Drawn into the mass, they find a huge amoeba-like creature and Kirk must decide which of his two friends, McCoy or Spock, to send into it aboard a shuttle craft on a mission of no return. Written by
Did You Know?
This is the second episode where McCoy is referred to as Captain McCoy instead of Dr. McCoy, this time by Spock. The first was Star Trek: The Deadly Years
(1967) where Scotty said it. See more
Kirk refers to Lt. Kyle as "Cowell" throughout the episode; the correct name appears in the end credits. See more
What is it, Spock? Are you in pain?
Captain, the Intrepid. It just died. And the four hundred Vulcans aboard, all dead.
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