* Course heading, Captain?
** "Second star to the right ...and straight on till morning."
* The cast's signatures appearing at the start of the credits. A beautiful gift to the fans from the original crew's final outing.
* Sulu blatantly disregarding Starfleet orders to help Kirk and the others on the Enterprise. He may now be TheCaptain of the other ship, but he's still part of the crew.
** An episode from the [[StarTrekVoyager Voyager]] series adds a little extra heartwarming for good measure.
--> '''Sulu''': You'll find that more happens on the bridge of a starship than just carrying out orders and observing regulations. There is a sense of loyalty to the men and women you serve with; a sense of family. Those two men on trial... I served with them for a long time. I owe them my life a dozen times over. And right now they're in trouble, and I'm going to help them; let the regulations be damned.
--> '''Tuvok''': Sir, that is a most illogical line of reasoning.
--> '''Sulu''': You better believe it. Helm, engage!
* Kirk and Klingon Chancellor Azetbur at the Khitomer Conference. "You've restored my father's faith." "And you've restored my son's."