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What Are Little Girls Made Of? 

Nurse Chapel is reunited with her fiancé; but his new obsession leads him to make an android duplicate of Captain Kirk.


James Goldstone


Robert Bloch, Gene Roddenberry (created by)




Episode complete credited cast:
William Shatner ... Capt. Kirk
Leonard Nimoy ... Mr. Spock
Michael Strong ... Dr. Roger Korby
Sherry Jackson ... Andrea
Ted Cassidy ... Ruk
Majel Barrett ... Christine Chapel
Nichelle Nichols ... Uhura
Harry Basch ... Brown
Vince Deadrick Sr. Vince Deadrick Sr. ... Mathews (as Vince Deadrick)
Budd Albright Budd Albright ... Rayburn


The crew of the Enterprise arrive at the planet EXO-III with some trepidation and great anticipation. They are there to see if hey can locate the renowned scientist Dr. Roger Korby. The man hasn't been heard of for 5 years and the general belief is that he is dead. For Nurse Christine Chapel however, a reunion with Corby will be a reunion with her fiancé. They find Korby alive but when Kirk and Chapel beam down to the planet, they find a man obsessed who is using alien technology to reproduce the humans around him in the form of androids. Written by garykmcd

Plot Summary | Plot Synopsis


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Did You Know?


Robert H. Justman personally assembled the episode previews for the series, some of which had specially-recorded narration by William Shatner, as this episode does. The previews have great value to Star Trek scholars as they are the only filmed source remaining (other than the blooper reels and cutting room film clips in the hands of fans) for alternate takes, cut scenes and other lost details. See more »


In the close up shot of Kirk's hands clinging to the cliff, the cliff bends like rubber. See more »


Andrea: I do not understand. Why are you unhappy? You are with Roger again.
Christine Chapel: Where is Captain Kirk?
Andrea: You are concerned about the Captain?
Christine Chapel: Yes, I am concerned.
Andrea: How can you love Roger without trusting him? Why does it bother you when I use the name Roger?
Dr. Roger Korby: Andrea, it's sufficient that it does disturb her. You will call me Dr. Korby from now on, Andrea.
Andrea: Yes, Dr. Korby.
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Alternate Versions

Special Enhanced version Digitally Remastered with new exterior shots and remade opening theme song See more »


Featured in For the Love of Spock (2016) See more »


Theme From Star Trek
Written by Alexander Courage
See more »

User Reviews

Actually a look at a 19th Century mystery
22 June 2013 | by artisticengineerSee all my reviews

The Enterprise is sent out to find an expedition that has been missing for 5 years on an Earth like planet. The planet has earth like gravity and a breathable atmosphere but it's average temperature is -100 degrees Fahrenheit! The missing expedition is or was headed by Dr. Roger Corby; whose last message to Earth talked about finding traces or remnants of an early civilization on that planet.

After he sent out the message all contact with the expedition was lost. Two search expeditions were sent out to find him in the intervening period but were unsuccessful. Why the Enterprise is being sent to search at such a late date is unclear in this episode. Spoke briefly indicates early on, in reply to a question about the possibility of finding anybody alive, that is is "highly unlikely" that there are any survivors. So, why is the Enterprise even there? Should not Dr. Corby have been written off by Star fleet by that point?

The answer lies in 19th century history. In the mid 1840s a British expedition named "The Franklin Expedition" (named after the commander, NOT after Benjamin Franklin) sailed into the Arctic to find the "Northwest Passage". They did meet another civilization albeit the Inuits (who were already known to explorers) and then, they disappeared. Search parties were sent into that area and searched for about 5 years but did not find the expedition. After that period of time the ~120 officers and men and two ships were written off the Admiralty lists. Yet, there was a desire to know what actually happened even though the officers and men were certainly dead so some years later a single ship (the "Fox") made one last foray into the Arctic to find out what happened to the ill fated expedition.

In this episode the Enterprise is making the same type of last ditch Arctic search that the "Fox" made in 1857. The "Fox" found a last note from the leader of the Franklin expedition. By analogy, in this episode, at the beginning, the Enterprise also receives a message from Corby himself! Why, exactly, they received a message when previous searchers did not is not really explained (the Fox hunted for the Franklin Expedition in a different area than previous expeditions had searched for-the Enterprise seems not to be doing anything different than the previous expeditions had done so there is a little mystery here).

There was, for many years in the mid to late 19th century, speculation that there were some survivors of the Franklin Expedition somewhere in the Arctic though survivors were never found; only relics. Nobody knows when the last Franklin crew member finally perished, but he did so without being found. In this episode the writers are stating there are survivors found, despite realistic analysis indicating they should have all died by then, of a lost expedition. The episode is really a 'what if" Franklin expedition members had been found; though the setting is not the 19th century but the 22nd. Still, one can see the analogy.

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20 October 1966 (USA) See more »

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What Are Little Girls Made Of? See more »

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