Star Trek TOS - Uhura in the Mirror, Mirror

Episode - Mirror, Mirror

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.

William Shatner - Captain Kirk,
Leonard Nimoy - Mr. Spock,
DeForest Kelley - Dr. McCoy,
Barbara Luna - Marlena,
George Takei - Sulu,
James Doohan - Commander Scott,
Nichelle Nichols – Uhura,
Walter Koenig - Chekov,