Leonard Nimoy as Spock: "I need your advice."

DeForest Kelley as McCoy: "Then I need a drink. You need advice from me? You must be kidding."

Nimoy: "I do not joke, Doctor."

William Shatner: "A sweet odor, like honey."

William Shatner: "It was years ago... on another planet... A thing with a... an odor like that."

James Doohan as Mr. Scott: "Captain, we can't do it! If we keep this speed, we'll blow up any minute now!"

Enterprise computer: "Working."

DeForest Kelley: "He's dead, Jim."

DeForest Kelley: "She's dead, Jim."

DeForest Kelley: "She'd dead, Jim."

Walter Koenig as Chekov: "I was making a little joke, sir."

Leonard Nimoy as Spock: "Extremely little, ensign."

Leonard Nimoy: "Odors cannot travel through the vacuum of space."