Lt. Spock's logical decision to dance in the musical finale helps boost subspace rift's 'improbability levels,' aiding the crew in saving the galaxy. A bonding moment between Uhura and La'an ...

Credit: Mike Marsland / WireImage Trailblazing actor Nichelle Nichols, best known for her role as Lt. Nyota Uhura in the original Star Trek series, died on Saturday due to heart failure.