After an explosion on their moon, the Klingons have an estimated 50 years before their ozone layer is completely depleted, and they all die. They have only one choice - to make peace with the Federation, which will mean an end to 70 years of conflict. Captain James T. Kirk and crew are called upon to help in the negotiations because of their "experience" with the Klingon race. Peace talks don't quite go to plan, and eventually Kirk and McCoy are tried and convicted of assassination, and sent to...

An alien phenomenon of unprecedented size and power is approaching Earth, destroying everything in its path. The only starship in range is the U.S.S. Enterprise--still in drydock after a major overhaul. As Captain Decker readies his ship and his crew to face this menace, the legendary Admiral James T. Kirk arrives with orders to take command of the Enterprise and intercept the intruder. But it has been three years since Kirk last commanded the Enterprise on its historic five year mission...is he...

To save Earth from a destructive space probe, Kirk and his fugitive crew go back in time to 20th century Earth to recover two humpback whales, who are the only Earth beings who can respond to it.