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.

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.

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.

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.

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 most of his senior officers find themselves adrift in space with time enough to tell their stories of the Kobayashi Maru, a Starfleet Academy test given to command cadets. Discover how Starfleet Cadets Kirk, Chekov, Scotty, and Sulu each faced the test and became Starfleet officers.

Kirk beams down to a strange planet to negotiate its admission into the Federation, leaving Dr. McCoy in command. However, the doctor soon learns that command is a double-edged sword when Kirk disappears without a trace.

Star Empire is the Federation's most powerful new weapon - a dreadnought, first in a class of super-starships - capable of outgunning a dozen Klingon cruisers. On the eve of her maiden voyage, Star Empire is stolen by terrorists who demand a rendezvous with the Enterprise.

The capture of a Starfleet officer by the Romulans forces an undercover Federation agent to make a fateful choice - between maintaining her cover and saving the life of Dr. Leonard McCoy.

Klingon Captain Krenn is a ruthless war strategist. But on a mission to Earth, Krenn learns a lesson in peace. Only Krenn can prevent a war -- at the risk of his own life!

An international consortium of the world's top scientists have conspired to create the Chrysalis Project, a top-secret experiment in human genetic engineering.

There is sabotage aboard the Enterprise, and Spock's investigation leads him into defiance of the Federation and a bizarre alliance with the Romulan and Klingon Empires against the bloodthirsty Tomarii, a savage race for whom war and battle are life itself.

Kirk is wanted for questioning in connection with the theft of transwarp, the Federation's newest, most advanced propulsion system.

A Starfleet research expedition to the farthest reaches of the galaxy has unearthed a powerful force and brought its silent evil back to the planet Vulcan.

Captain Kirk and the Enterprise join the Klingons to avert disaster in the Taygeta V system - where a time/space warp has swallowed a spaceship without a trace. Spock suspects a link between the anomaly and the inhabitants of Taygeta, semi-aquatic creatures killed for the jewel-like tears secreted at the moment of death. But a mutinous Klingon officer threatens the vital mission.

Kirk's new, quiet life changes when he meets a scientist named G'dath who is on the brink of perhaps the greatest scientific discovery in a century. G'dath's invention could mean tremendous strides in Federation technology, or - in the wrong hands - the subjugation of countless worlds. When Klingon agents capture this new technology, Admiral Kirk and Lt. Commander Riley are all that stands between peace and devastation for the entire Federation.

The children of Chrysalis have grown to adulthood and are rapidly demonstrating that superior abilities spawn superior ambition. The most formidable of this new breed of supermen is the charismatic Khan Noonien Singh.

A dark plan has been unleashed in the galaxy. Captain Kirk must battle the seductive force of the Totality's will.

Captain Kirk and his crew are on a mission to investigate the mysterious wave of violence that has overtaken the Helvans. This chaos is all part of an experiment by an unimaginable power that soon grips even the crew of the Enterprise.

Corona, a sentient force of protostars, has taken control of a stranded team of Vulcan scientists. The Enterprise has come on a rescue mission, with a female reporter and a new computer that can override Kirk's command. Suddenly, the rescuers must save themselves and the entire Universe - before Corona unleashes a Big Bang!