Spock, Uhura, and Sulu are en-route on a shuttlecraft to deliver a Slaver Stasis box - an artifact from a long-dead civilization inside of which time stands still - to Starbase 25. On their way, the box gives off a signal that another box is nearby. Investigating, they determine that the 2nd box is on a ice world. Once there, they are captured by the Kzinti, a feline race that wish to return to their dominance they once had. The Kzinti hope that the others' stasis box holds a means to do that. One thing in that box is a device of sorts that transforms into various devices: a Slaver Weapon. Knowing that in the wrong hands, the Slaver Weapon could bring havoc to the galaxy, Spock and his team escape and try to get the weapon back. While attempting to activate a computer form of the weapon, the Kzinti Captain unwittingly activates a self-destruct bomb which destroys itself and the Kzinti's ship. Once Enterprise officers resume their journey to Starbase 25, Sulu expresses regret that the ... Written by
Did You Know?
In this episode, writer Larry Niven
introduced the cat-like alien race, the Kzinti, from his "Known Space" novels into the Star Trek
(1966) universe. See more
When the Kzinti captain changes the weapon from laser to telescope, the animation sequence is out of order; he's holding the laser, holds up the telescope, changes it into the laser, and is then holding the telescope. See more
First Officer's Log: Supplemental. The Kzinti now possess a weapon potentially deadly to the entire galaxy. The extent of its power remains to be seen.