On the eve of retirement, Kirk and McCoy are charged with assassinating the Klingon High Chancellor and imprisoned. The Enterprise crew must help them escape to thwart a conspiracy aimed at sabotaging the last best hope for peace.

Captain Kirk and his crew must deal with Mr. Spock's long-lost half-brother who hijacks the Enterprise for an obsessive search for God at the center of the galaxy.

To save Earth from an alien probe, Admiral James T. Kirk and his fugitive crew go back in time to San Francisco in 1986 to retrieve the only beings who can communicate with it: humpback whales.