Star Trek
Star Trek: Season 3

Air Date

September 20, 1968

Episodes

24 episodes

Star Trek

Season 3

Episodes

Spock's Brain

1. Spock's Brain

5.9
September 20, 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

2. The Enterprise Incident

7.7
September 27, 1968
51 min

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

The Paradise Syndrome

3. The Paradise Syndrome

6.6
October 4, 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

4. And the Children Shall Lead

5.5
October 11, 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?

5. Is There in Truth No Beauty?

7.1
October 18, 1968
51 min

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

Spectre of the Gun

6. Spectre of the Gun

6.8
October 25, 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

7. Day of the Dove

7.4
November 1, 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

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

7.0
November 8, 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

9. The Tholian Web

7.4
November 15, 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

10. Plato's Stepchildren

6.9
November 22, 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

11. Wink of an Eye

7.4
November 29, 1968
51 min

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

The Empath

12. The Empath

6.3
December 6, 1968
51 min

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

Elaan of Troyius

13. Elaan of Troyius

6.7
December 20, 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

14. Whom Gods Destroy

6.9
January 3, 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

15. Let That Be Your Last Battlefield

7.2
January 10, 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

16. The Mark of Gideon

6.6
January 17, 1969
51 min

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

That Which Survives

17. That Which Survives

6.6
January 24, 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

18. The Lights of Zetar

6.5
January 31, 1969
51 min

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

Requiem for Methuselah

19. Requiem for Methuselah

6.9
February 14, 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

20. The Way to Eden

5.9
February 21, 1969
51 min

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

The Cloud Minders

21. The Cloud Minders

7.0
February 28, 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

22. The Savage Curtain

6.6
March 7, 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

23. All Our Yesterdays

7.6
March 14, 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

24. Turnabout Intruder

7.0
June 3, 1969
51 min

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