Overview
A surprise visit from Spock's father provides a startling revelation: McCoy is harboring Spock's living essence.
Cast & Crew
Director: Leonard Nimoy
Cast: William Shatner, DeForest Kelley, James Doohan, George Takei, Walter Koenig, Nichelle Nichols, Christopher Lloyd, Robin Curtis, Mark Lenard, Merritt Butrick, Judith Anderson, James B. Sikking
