Star Trek: The Original Series Star Trek: The Original Series Star Trek is an American science fiction television series created by Gene Roddenberry that follows the adventures of the starship and its crew. It later acquired the retronym of Star Trek: The Original Series (TOS) to distinguish the show within the media franchise that it began. The show is set in the Milky Way galaxy, roughly during the 2260s. The ship and crew are led by Captain James T. Kirk (William Shatner), first officer and science officer Spock (Leonard Nimoy), and chief medical officer Leonard McCoy (DeForest Kelley). Shatner's voice-over introduction during each episode's opening
Obsession (Star Trek: The Original Series) Obsession (Star Trek: The Original Series) "Obsession" is the thirteenth episode of the of the American science fiction television series "", broadcast on December 15, 1967. It is episode No. 42, production No. 47, written by Art Wallace, and directed by Ralph Senensky. In the episode, Captain James T. Kirk becomes obsessed with destroying a deadly entity he once encountered in his youth. During a survey for tritanium deposits, three members of a landing party from the Federation starship USS "Enterprise" are attacked, their blood drained of hemoglobin. Fearing the killer to be a gaseous entity he had encountered eleven