Spock (Leonard Nimoy)’s Timeline and Summary

Recently brought back to life, Spock struggles to figure out his emotions.
Spock travels back to Earth with the crew of Enterprise.
Upon hearing the probe's signal, Spock determines that it's the song of a humpback whale—a species that is now extinct.
Spock makes the calculations for time travel. The crew ends up in 1986.
Kirk and Spock find humpbacks at a local whale institute.
Spock goes swimming with the whales and reads their thoughts.
Later, Spock helps the crew beam the whales aboard the ship.
Spock once again performs the calculations for time travel, and the crew warps back to the present.
The crew saves the world.
Spock volunteers to accept punishment with the rest of the crew for their actions in previous films, even though he is not being charged himself.
Spock bonds with his father, Sarek.