Tell-All Book Reveals the Uncensored History of 'Star Trek' Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Leonard Nimoy as Commander Spock (Mr. Spock) speaking thru a communication device in the STAR TREK: The Original Series episode, 'The Cage.' ( CBS / Getty ) Produced by PRI and WNYC