Spock's unbreakable bond with Captain Kirk and his chaotic, tempestuous friendship with Dr. Leonard "Bones" McCoy (DeForest Kelley) formed the central trio of Star Trek: The Original Series.

When the Doctor is, very inconveniently, left alone aboard ship in Caretaker, he concludes with, "I believe someone has ...

L: The Shuttle Enterprise with 'Star Trek' cast. From L-R: Dr. James D. Fletcher, NASA Administrator, DeForest Kelley (Dr. "Bones" McCoy), George Takei (Mr. Sulu), James Doohan (Mr. Scott ...