When a destructive space entity is spotted approaching Earth, Admiral Kirk resumes command of the Starship Enterprise to intercept, examine, and stop it.
Admiral Kirk's midlife crisis is interrupted by the return of an old enemy looking for revenge and a potentially destructive device.
Admiral Kirk and his bridge crew risk their careers stealing the decommissioned Enterprise to return to the restricted Genesis planet to recover Spock's body.
To save Earth from an alien probe, Kirk and his crew go back in time to retrieve the only beings who can communicate with it, humpback whales.
Spock's half brother hijacks the Enterprise for an obsessive search for God.
The crews of the Enterprise and the Excelsior must stop a plot to prevent a peace treaty between the Klingon Empire and the Federation.