Captain Kirk and the crew of the Enterprise are sent to evacuate a frontier colony that is on the brink of an extinction-level event threatening not only all of the colonists, but biological products that are vital to Starfleet.

When a rogue pulsar sweeps through a star system and threatens to destroy all life on a planet, the Federation is faced with a daunting choice: stand by and witness the extinction of a thriving civilization, or violate the Prime Directive and mount a desperate effort to protect the planet. The Enterprise is sent to aid the doomed planet.

Captain Kirk first encountered Gary Seven on twentieth-century Earth. Now Seven, a time-traveling operative for unknown alien forces, makes a surprise visit to the U.S.S. Enterprise. Kirk is on an urgent mission to bring relief to a disaster ravaged planet, but Seven has an agenda of his own - and he's not above hijacking the Starship Enterprise and sending it on a perilous journey deep into the heart of the Romulan Empire.

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

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.

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.

When Sulu and Chekov find themselves framed for murder and treason, the two officers are forced to go into hiding. As Admiral Kirk and Uhura frantically search for evidence to prove Sulu and Chekov innocent, they uncover a plot that threatens the very foundations of Starfleet. The web of conspiracy is woven tighter as the real culprits and Federation agents close in on the fugitives.

Kirk helps a determined band of pioneers colonize a harsh and unforgiving world, defend the vulnerable settlers from the constant threat of alien invasion, and protect the planet's unique and precious resources for the sake of the entire Federation.

Aliens have contaminated Belle Terre's atmosphere with a destructive biochemical agent that will soon render the entire world hostile to human life. Spock races to find a scientific solution to their dire predicament, while Kirk takes the battle to the enemy.

After defeating a hostile computer program guarding an abandoned Kalandan outpost, Captain Kirk and his crew attempt to unlock the secrets of an ancient artifact that had hurled the Enterprise more than one thousand light years in an instant.

Assisting the alien Dumada, who is attempting to make the stationary planet Rimillia spin on its axis, Captain Kirk is called upon to rescue a kidnapped scientist who is pivotal to the project.

Kirk embarks on a secret mission back to the planet Neural where he might be the only person who can prevent an interstellar war.