William Shatner as Kirk: "Remarkably peaceful and tranquil."

Leonard Nimoy as Spock: "Someone or some thing is attempting to attract our attention."

William Shatner as Kirk: "Someone or something has succeeded."

DeForest Kelley as McCoy: "I will not peddle flesh! I'm a physician!"

Leonard Nimoy: "I do not know... Not even a Vulcan can know the unknown, Captain."

James Doohan as the voice of Sargon: "It is the energy of my thoughts which has touched your instruments and directed you here."

James Doohan as the voice of Sargon: "Sealed in this receptacle is the essence of my mind."

Leonard Nimoy as Spock: "Pure energy. Matter without form."

James Doohan as the voice of Sargon: "All your questions will be answered in time, Captain Kirk."

Leonard Nimoy: "Sensors detect no life of any kind."

William Shatner: "The transference is complete."

DeForest Kelley as McCoy: "What in blazes is this?"

William Shatner: "We're here to find out what's happened because I don't know."

DeForest Kelley: "How'd they manage that?"

William Shatner: "Maybe they had help."

Leonard Nimoy: "What impressed me most was his treatment of Earth history as causes and motivations rather than dates and events."

Leonard Nimoy: "You should make a very convincing Nazi."

Nichelle Nichols as Uhura: "No response on any Star Fleet channel."

William Shatner: "You've gotta talk... You've gotta tell 'em what happened!"