Leonard McCoy is confronted with the unusual silicon-based Horta alien in "The Devil in the Dark" (1967), saying, "I'm a doctor, not a bricklayer." The line was used in "Terra Nova". Kelley himself parodied the phrase for a "Trivial Pursuit" commercial, in which the question is asked "How many chambers does a human heart have?" Kelley appears on screen and replies "How should I know? I'm an actor, not a doctor!". Leonard McCoy Dr. Leonard H. "Bones" McCoy is a character in the American science fiction franchise "Star Trek". First portrayed by DeForest Kelley in the , McCoy also appears in the
Vulcan (Star Trek) which removed the katra from McCoy and implanted it into Spock's regenerated body. Subsequently, Spock recovered, although it took some time to fully retrain his mind. Eventually, Spock's original memories apparently reasserted themselves, and he resumed his duties in Starfleet, albeit with trial and error before the 'old' Spock was completely back. The Vulcan language was the first alien language introduced in the "Star Trek" franchise, in the "Star Trek: The Original Series" episode "Amok Time", including the concept of “pon farr” (time of mating). Afterwards, one word was said in the episode "Journey to Babel" and some others in