The Enterprise encounters a powerful energy force that has apparently killed all human life in a solar system with over one billion inhabitants. They identify the culprit as a small space probe that had its origins on Earth. Called Nomad, it merged with another and, as a result, took on a new mission to destroy all biological beings as being imperfect. It believes Captain Kirk to be its creator and, as such, has spared the Enterprise and its crew, at least temporarily. Written by
Did You Know?
In conventions, Nichelle Nichols
frequently tells a story of getting into a dispute with director Marc Daniels
over the filming of this episode. As it had already been established that Uhura's first language was Swahili, Nichols believed that, after her mind was erased, Uhura would revert to her first language. However, as Nichols herself did not speak Swahili, Daniels wanted Uhura to just speak English. Nichols refused to, telling Daniels, "Nichelle Nichols doesn't speak Swahili, but Uhura does!" Gene Roddenberry
was eventually brought in to settle the dispute, and he sided with Nichols. A linguist specializing in Swahili was then brought in to write the few lines of Swahili that are spoken in the episode. See more
When the security team is escorting Nomad back to the holding area, he goes his own way. As one of the security crewmen orders him to stop, he begins to reach for his phaser. But in the next camera angle, he has already got his phaser out and trained on Nomad. See more
My congratulations, Captain - a dazzling display of logic.
You didn't think I had it in me, did you, Spock?