Beamed up during an ion storm, which causes a transporter malfunction, the landing party of Kirk, McCoy, Scotty and Uhura find themselves in a mirror universe aboard a parallel Enterprise run by ruthless barbarians. The ion storm also caused their malicious counterparts to beam to the real starship. Kirk and the others must find a way home before they are discovered and exposed by their parallel crew members, who use treachery, back-stabbing and seduction to get what they want. Written by
Did You Know?
In the wake of this episode, a group of child fans started a neighborhood-wide letter campaign suggesting that the concept of a "Captain's Woman" be carried over into the series as a whole, and requesting that Stefanie Powers
be cast in that role. Eventually Gene Roddenberry
's assistant had to write to the group's two "ringleaders", telling them to ask their parents exactly what a "Captain's Woman" was. See more
While mirror Kirk yells at Spock as he walks away, Kirk moves his head through the plane of the door, revealing there is no barrier. See more
Still no interest, Uhura? Hmm? I could change your mind.
You are away from your post, mister.
Is the captain here? Is Spock here? When the cat's away...
Referenced in Futurama: Bendless Love