While surveying Ceti Alpha V for the Genesis Project, the starship Reliant discovers the camp of Khan Noonien Singh and his followers. Kirk and his crew must prevent Khan from destroying the Enterprise and detonating the Genesis device.

As Spock, Sarek and Kirk struggle to preserve Vulcan's future, the planet's innermost secrets are laid before us, from its savage prehistory and merciless tribal warfare to the exploration of space and the development of o'thia -- the ruling ethic of logic.

The U.S.S. Enterpriseis orbiting Eeiauo in a desperate race to save the inhabitants before a deadly plague destroys them. Uhura's secret songs may hold the key to a cure.

Captain Kirk and the crew of the USS Enterprise NCC-1701 are faced with their most challenging mission yet - rescuing renowned scientist Zefram Cochrane from captors who want to use his skills to conquer the galaxy. Meanwhile, ninety-nine years in the future on the Enterprise NCC-1701-D, Picard must rescue an important and mysterious person whose safety is vital to the survival of the Federation.

Spock, McCoy and the rest of the former crew of the Enterprise travel to Talin, a world now ruined because of their actions. They must find out how this tragedy occurred and discover what has become of their captain.

Spock's mother is dying and Spock returns to the planet Vulcan where he and Sarek enjoy a rare moment of rapprochement. But just as his wife's illness grows worse, duty calls Sarek away. Yet soon Sarek and Spock must put aside their differences and work together to foil a far-reaching plot to destroy the Federation - a plot that Sarek has seen in the making for nearly his entire career.

Time in the galaxy has stopped running its normal course. That can only mean one thing - the Guardian of Forever is malfunctioning. To save the universe, Starfleet command reunites three of its most legendary figures - Admiral James T. Kirk, Spock of Vulcan, and Dr. Leonard McCoy - and sends them on a desperate mission to contact the Guardian, a journey that ultimately takes them 5,000 years into the past.

One brave woman ventures alone into a parallel universe to save her old shipmates, exiled there decades earlier by a mysterious device called the Transfer Key.

Khan and his genetically engineered followers from the twentieth century find themselves trapped in a desperate struggle for survival on Ceti Alpha V.

For Dr. McCoy life takes two paradoxically divergent paths. In one he saves a woman from dying and in doing so alters Earth's history. In the other, he is prevented from saving the woman's life, allowing Earth's history to remain unchanged.

As the threat to Earth looms ever larger, Bloodwing and Enterprise lead an armada toward the Romulan homeworld for a final reckoning that will decide the future of the Rihannsu people.

An outbreak of deadly Rigelian fever threatens the crew of the U.S.S. Enterprise. Dr. Phillip Boyce comes up with a highly experimental and untested new treatment that might save the crew.

The story of Kirk’s first starship command and the remarkable achievements by which Starfleet’s youngest captain earned the right to succeed Christopher Pike as the commander of the famous Enterprise. From his early battles with the Klingons to the rescue of endangered civilizations, Kirk grapples with difficult questions: Is he a warrior or a peacemaker? Should he obey regulations or trust his instincts??

The Syhaari prepare to take its first steps on to the galactic stage. But did the Enterprise crew leak advanced technology to the alien civilization during their first encounter, in violation of the Prime Directive?

For years, Starfleet Intelligence agents have carried out undercover assignments deep within the Klingon Empire. Surgically altered and rigorously trained in Klingon culture, they operate in plain sight and without any direct support, while collecting information and infiltrating the highest levels of imperial power. Their actions have given Starfleet valuable insight into the inner workings of Klingon government and its relentless military apparatus. After three of Starfleet’s longest serving agents fear exposure, they initiate emergency extraction procedures. Their planned rendezvous with the USS Endeavour goes awry, threatening to reveal their activities and the damaging intelligence they’ve collected during their mission.

The planet Vok is holding its first free elections after years of oppressive military rule. Captain James T. Kirk and the crew of the Starship Enterprise have been dispatched by Starfleet to serve as impartial observers, but remaining neutral proves a challenge, as Kirk confronts a tangled web of scandal, conspiracy, and assassination plots—with the stability of an entire sector at stake. To make matters worse, Dr. Leonard McCoy has vanished while on a mission of mercy to Braco, a nearby planet only a system away. With Kirk unable to abandon his vital mission on Vok to hunt for his friend, it’s up to First Officer Spock and Christine Chapel to lead a team in search of the missing doctor, even if it means risking whatever fate befell McCoy.

The Enterprise is sent back to the site of a previous skirmish with the Klingons for a confrontation with the I.K.S. D'k Tahg. Even as the two ships face each other, trouble is brewing among their crews. On the Enterprise, Lieutenant Leslie Parrish is pregnant with a half-Klingon child and Section Chief Michael Fuller still carries the wounds of the twenty-five-year-old Battle of Donatu V.

An alien scientist invents the Intergalactic Inversion Drive, an engine system that transcends warp drive, the U.S.S Enterprise will be the first to test it. The Klingons attempt to thwart the test, but a greater danger looms when strange symptoms surface among the crew, and time becomes meaningless.

Their historic five-year mission is over. Kirk, Spock, McCoy, Scotty all the crew have scattered to other jobs or other lives. Now, they are back together again on a fabulously refitted USS Enterprise as an incredibly destructive power threatens earth and the human race.

The Romulans attack the planet Gateway, where Federation scientists are studying the Guardian of Forever - the mysterious portal to the past. The Enterprise must protect the Guardian ... or destroy it, but Spock has already used the portal to journey to the past. On the planet Sarpedion, 5,000 years ago, Spock knew a beautiful, primitive woman. Now he has gone back to meet his son!

Admiral Kirk attempts to defuse a critical hostage situation, Mr. Spock finds the one thing he least expected, and Dr. McCoy finds himself in the middle of an incident that could trigger an interstellar bloodbath.

A young Enterprise crew puts aside their differences when a monstrous starship appears on their nascent flight path.

When the Romulans kidnap Vulcans to genetically harness their mind power, Romulan Commander Ael t' Rlailiiu joins Captain Kirk in a secret pact to destroy a research laboratory and free the captive Vulcans.

The Enterprise is summoned to transport a dangerous criminal to rehabilitation: the brilliant physicist, Dr. Georges Mordreaux, who is accused of promising to send people back in time, then killing them instead. But when a crazed Mordreaux escapes, he inexplicably bursts onto the bridge and murders Captain Kirk before the crew's eyes. Now Spock must journey back in time to avert the disaster before it occurs.

Kirk and McCoy accompany Spock to the Vulcan Academy Hospital seeking experimental treatment for a badly wounded Enterprise crew member. Spock's mother is also a patient in the hospital, and Kirk soon becomes involved in the complex drama of Spock's family. Suddenly, patients are dying, and Kirk suspects the unthinkable - murder on Vulcan! But can he convince the Vulcans that something as illogical as murder is possible?