Kirk returns to the planet where he spent time 13 years before. A friend from his previous visit is now leader of his people. While trying to uphold the Federation's prime directive, the Klingons are providing more advanced technology to their enemies. Written by
Did You Know?
An obvious reference to the western classic cliché of white and black hats (white hat = good guy, black hat = bad guy), the use of blond hair for the 'good guys' and black hair for the 'bad guys'. See more
After Spock is shot and is falling to the ground, there is no gunshot wound on his back, and no blood is visible. When Kirk reaches Spock, there is suddenly a great deal of green blood on both the front and back of his shirt, but there's still no apparent entry wound, as the shirt isn't ripped or torn in any way. See more
[speaking through communicator
Spock, are you alive?
[on the bridge of the Enterprise
An illogical question, Doctor, since obviously you are hearing my voice.
Well, I don't know why I was worried. You can't kill a computer.