Part 6/10:
The second pilot, "Where No Man Has Gone Before," brought William Shatner on board as Captain James T. Kirk, alongside Leonard Nimoy's Spock and DeForest Kelley as Dr. Leonard McCoy. The casting of female first officer, Number One (originally portrayed by Majel Barrett), reflected Roddenberry’s forward-thinking vision of gender roles, even though she was ultimately replaced by the equally iconic Nyota Uhura, played by Nichelle Nichols.