Mirror, Mirror Star Trek : Season 2 Episode 4
TV-PG NBC 50m int(0)
Aired: October 6th, 1967 @ 8:30 PM EST on NBC
A transporter mishap swaps Captain Kirk and his companions with their evil counterparts in a parallel universe. In the so-called Mirror Universe, the Enterprise is a ship of the Terran Empire, an organization as evil as the United Federation of Planets is benevolent.