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?
Neural was the name in the script for Tyree's planet (never heard in the final edit). See more
At the beginning, McCoy's equipment changes position relative to his feet as he, Kirk and Spock beam up to the ship. See more
There's an old custom among my people: When a woman saves a man's life, he is grateful.