地球を含む複数の惑星で構成される惑星連邦が設立されて約1世紀。西暦2264年、未知の惑星の調査や知的生命体との友好的接触を目的として、惑星連邦の宇宙艦隊が誇る全長289メートル、コンスティテューション級の宇宙船U.S.S.エンタープライズNCC-1701が430名の乗組員を乗せ、人類未踏の地－宇宙へ旅立った。エンタープライズ号を率いるのは、30歳の若さで船長に抜擢された不屈の精神力を持つ男ジェイムズ・T・カーク。地球人と異星人バルカン人の間に生まれ理性を重んじる副長のスポックや、人間味溢れる医療主任のドクター・マッコイといった優秀なクルーの力も得て、エンタープライズ号は広大な宇宙空間で起こる想像もできないような神秘現象、高度な文明を持つ生命体との遭遇などさまざまな冒険を繰り広げるのだ。
放送日: 1968-09-20
上映時間: 51 min
概要: An alien female beams aboard the ship and, after incapacitating the rest of the crew, surgically removes Spock's brain. Kirk and the crew have just hours to locate and replace it before Spock's body dies.
放送日: 1968-09-27
上映時間: 51 min
概要: The crew of the Enterprise are on a secret mission to steal a Romulan cloaking device.
放送日: 1968-10-04
上映時間: 51 min
概要: An alien device on a primitive planet erases Captain Kirk's memory, and he begins a new life with the planet's indigenous people.
放送日: 1968-10-11
上映時間: 51 min
概要: On a distant planet, Kirk, Spock and McCoy find a scientific team dead, and their children who, unknown to the crew, have great powers at their disposal.
放送日: 1968-10-18
上映時間: 51 min
概要: The Enterprise travels with an alien ambassador whose appearance induces madness.
放送日: 1968-10-25
上映時間: 51 min
概要: Having been found trespassers into Melkotian space, Captain Kirk and his companions are sent to die in a re-enactment of the gunfight at the O.K. Corral.
放送日: 1968-11-01
上映時間: 51 min
概要: An alien force drives the crew of the Enterprise into brutal conflict with the Klingons.
放送日: 1968-11-08
上映時間: 51 min
概要: The crew of the Enterprise rush to stop an asteroid from colliding with a Federation world, but discover the asteroid is actually an inhabited generation ship.
放送日: 1968-11-15
上映時間: 50 min
概要: Captain Kirk is caught between dimensions while the crew of the Enterprise works to retrieve him. All the while, the Tholians demand that the Enterprise leave their space.
放送日: 1968-11-22
上映時間: 51 min
概要: The crew of the Enterprise encounters an ageless and sadistic race of humanoids with the power of telekinesis and who claim to have organized their society around Ancient Greek ideals.
放送日: 1968-11-29
上映時間: 51 min
概要: Invisible "time-accelerated" aliens take over the Enterprise and attempt to abduct the crew for use as "genetic stock".
放送日: 1968-12-06
上映時間: 51 min
概要: While visiting a doomed planet, the landing party is subject to torturous experiments by powerful aliens.
放送日: 1968-12-20
上映時間: 51 min
概要: The USS Enterprise ferries a spoiled princess whose betrothal to a royal Troyian is hoped will bring peace to a star system at war.
放送日: 1969-01-03
上映時間: 51 min
概要: Captain Kirk faces off with a demented shape-shifting starship captain determined to control the universe.
放送日: 1969-01-10
上映時間: 51 min
概要: The Enterprise encounters two duo-chromatic and mutually belligerent aliens who put the ship in the middle of their old conflict.
放送日: 1969-01-17
上映時間: 51 min
概要: A race of overpopulated aliens abduct Captain Kirk to solve their problem.
放送日: 1969-01-24
上映時間: 51 min
概要: Kirk, McCoy, and Sulu are stranded on a barren planet where a mysterious woman attempts to kill them one at a time, while the Enterprise must travel halfway across the galaxy to rescue them.
放送日: 1969-01-31
上映時間: 51 min
概要: Strange incorporeal aliens threaten the Memory Alpha station and the Enterprise.
放送日: 1969-02-14
上映時間: 51 min
概要: The crew of the Enterprise encounter an immortal human in this science fiction variation on Shakespeare's The Tempest.
放送日: 1969-02-21
上映時間: 51 min
概要: The Enterprise picks up a group of space "hippies" looking for Eden.
放送日: 1969-02-28
上映時間: 51 min
概要: Captain Kirk races against time to acquire plague-fighting minerals from a world in the midst of a civil uprising against a grievous social class disparity.
放送日: 1969-03-07
上映時間: 51 min
概要: Aliens force Captain Kirk and First Officer Spock to join forces with "Abraham Lincoln" and "Surak" to battle villains in a contest of good vs. evil.
放送日: 1969-03-14
上映時間: 51 min
概要: Kirk, Spock and McCoy are trapped in two parts of another planet's past - a world threatened with destruction when its sun goes supernova.
放送日: 1969-06-03
上映時間: 51 min
概要: The Enterprise is in danger when Janice Lester, one of Kirk's former lovers, steals his body.
