Star Trek Season 3 poster

Star Trek — Season 3

To boldly go where no man has gone before

196824 episodes6.9/10 (910 votes)

About this season

Space. The Final Frontier. The U.S.S. Enterprise embarks on a five year mission to explore the galaxy. The Enterprise is under the command of Captain James T. Kirk with First Officer Mr. Spock, from the planet Vulcan. With a determined crew, the Enterprise encounters Klingons, Romulans, time paradoxes, tribbles and genetic supermen led by Khan Noonian Singh. Their mission is to explore strange new worlds, to seek new life and new civilizations, and to boldly go where no man has gone before.

Episodes (24)

Spock's Brain
E1

1. Spock's Brain

6.2

Aired 20 September 1968 • 51 min

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.

The Enterprise Incident
E2

2. The Enterprise Incident

7.9

Aired 27 September 1968 • 51 min

The crew of the Enterprise are on a secret mission to steal a Romulan cloaking device.

The Paradise Syndrome
E3

3. The Paradise Syndrome

6.6

Aired 4 October 1968 • 51 min

An alien device on a primitive planet erases Captain Kirk's memory, and he begins a new life with the planet's indigenous people.

And the Children Shall Lead
E4

4. And the Children Shall Lead

5.8

Aired 11 October 1968 • 51 min

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.

Is There in Truth No Beauty?
E5

5. Is There in Truth No Beauty?

7.1

Aired 18 October 1968 • 51 min

The Enterprise travels with an alien ambassador whose appearance induces madness.

Spectre of the Gun
E6

6. Spectre of the Gun

6.8

Aired 25 October 1968 • 51 min

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.

Day of the Dove
E7

7. Day of the Dove

7.5

Aired 1 November 1968 • 51 min

An alien force drives the crew of the Enterprise into brutal conflict with the Klingons.

For the World Is Hollow and I Have Touched the Sky
E8

8. For the World Is Hollow and I Have Touched the Sky

7.2

Aired 8 November 1968 • 51 min

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.

The Tholian Web
E9

9. The Tholian Web

7.5

Aired 15 November 1968 • 50 min

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.

Plato's Stepchildren
E10

10. Plato's Stepchildren

6.8

Aired 22 November 1968 • 51 min

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.

Wink of an Eye
E11

11. Wink of an Eye

7.4

Aired 29 November 1968 • 51 min

Invisible "time-accelerated" aliens take over the Enterprise and attempt to abduct the crew for use as "genetic stock".

The Empath
E12

12. The Empath

6.5

Aired 6 December 1968 • 51 min

While visiting a doomed planet, the landing party is subject to torturous experiments by powerful aliens.

Elaan of Troyius
E13

13. Elaan of Troyius

6.8

Aired 20 December 1968 • 51 min

The USS Enterprise ferries a spoiled princess whose betrothal to a royal Troyian is hoped will bring peace to a star system at war.

Whom Gods Destroy
E14

14. Whom Gods Destroy

6.9

Aired 3 January 1969 • 51 min

Captain Kirk faces off with a demented shape-shifting starship captain determined to control the universe.

Let That Be Your Last Battlefield
E15

15. Let That Be Your Last Battlefield

7.4

Aired 10 January 1969 • 51 min

The Enterprise encounters two duo-chromatic and mutually belligerent aliens who put the ship in the middle of their old conflict.

The Mark of Gideon
E16

16. The Mark of Gideon

6.8

Aired 17 January 1969 • 51 min

A race of overpopulated aliens abduct Captain Kirk to solve their problem.

That Which Survives
E17

17. That Which Survives

6.6

Aired 24 January 1969 • 51 min

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.

The Lights of Zetar
E18

18. The Lights of Zetar

6.6

Aired 31 January 1969 • 51 min

Strange incorporeal aliens threaten the Memory Alpha station and the Enterprise.

Requiem for Methuselah
E19

19. Requiem for Methuselah

7.1

Aired 14 February 1969 • 51 min

The crew of the Enterprise encounter an immortal human in this science fiction variation on Shakespeare's The Tempest.

The Way to Eden
E20

20. The Way to Eden

6.2

Aired 21 February 1969 • 51 min

The Enterprise picks up a group of space "hippies" looking for Eden.

The Cloud Minders
E21

21. The Cloud Minders

7.1

Aired 28 February 1969 • 51 min

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.

The Savage Curtain
E22

22. The Savage Curtain

6.7

Aired 7 March 1969 • 51 min

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.

All Our Yesterdays
E23

23. All Our Yesterdays

7.8

Aired 14 March 1969 • 51 min

Kirk, Spock and McCoy are trapped in two parts of another planet's past - a world threatened with destruction when its sun goes supernova.

Turnabout Intruder
E24

24. Turnabout Intruder

7.0

Aired 3 June 1969 • 51 min

The Enterprise is in danger when Janice Lester, one of Kirk's former lovers, steals his body.

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