Star Trek Season 1 poster

Star Trek — Season 1

To boldly go where no man has gone before

196629 episodes7.4/10 (1,649 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 (29)

The Man Trap
E1

1. The Man Trap

7.0

Aired 8 September 1966 • 50 min

Doctor Leonard “Bones” McCoy meets a former girlfriend when the enterprise brings supplies to a remote archaeological survey group. Still attractive to McCoy, the woman's current appearance hides a dark and deadly secret.

Charlie X
E2

2. Charlie X

6.7

Aired 15 September 1966 • 51 min

Raised from boyhood by non-corporeal beings, 17 year old Charles Evans is picked up and transferred to the Enterprise. On board the ship, the teenager proves dangerously unable to wield his enormous psionic powers with maturity.

Where No Man Has Gone Before
E3

3. Where No Man Has Gone Before

7.1

Aired 22 September 1966 • 51 min

When Enterprise encounters a Force Field at the edge of the Galaxy, one of the crew members psionic abilities are accelerated to God like proportions causing him to become a powerful murderous being.

The Naked Time
E4

4. The Naked Time

7.3

Aired 29 September 1966 • 51 min

An alien virus strips the enterprise crew of their inhibitions, causing chaos as each crew member is overcome by hidden emotions. Meanwhile, the Enterprise is being pulled inexorably into a nearby planet's gravity well.

The Enemy Within
E5

5. The Enemy Within

7.3

Aired 6 October 1966 • 50 min

Split by a transporter malfunction into two beings with very different personalities, the resulting twin Captain Kirk proves that neither a purely evil nor a sweetly good captain can survive without the missing half.

Mudd's Women
E6

6. Mudd's Women

6.5

Aired 13 October 1966 • 50 min

Rescuing the crew of a ship from an asteroid belt, the Enterprise plays host to conman extraordinaire, the cunning Harry Mudd and his cargo: three beautiful women looking for suitors.

What Are Little Girls Made Of?
E7

7. What Are Little Girls Made Of?

7.2

Aired 20 October 1966 • 50 min

Helping nurse Christine Chapel search for her fiancé, the Enterprise finds a detached Dr. Korby working on a plan to create Android duplicates of key figures, beginning with James Kirk.

Miri
E8

8. Miri

6.9

Aired 27 October 1966 • 50 min

On a planet populated by children whose aging process has been slowed artificially. Kirk’s landing party members contract a virus that kills adults. Despite their violent attacks, Kirk is determined to help the children.

Dagger of the Mind
E9

9. Dagger of the Mind

6.9

Aired 3 November 1966 • 50 min

When a wild eyed maniac escaping from the Tantalus Penal Colony turns out to be one of the psychiatric staff, Kirk investigates the institution and discovers a chilling exercise in mind control.

The Corbomite Maneuver
E10

10. The Corbomite Maneuver

7.5

Aired 10 November 1966 • 50 min

Threatened by the sinister captain of a powerful alien vessel, Kirk claims that the Enterprise carries a powerful explosive which will destroy both ships. The move produces unexpected actions from the alien adversary.

The Menagerie (1)
E11

11. The Menagerie (1)

7.9

Aired 17 November 1966 • 49 min

Apparently summoned to Star Base 11, Kirk, Spock and McCoy visit a former Enterprise Commander, the paralyzed and horribly disfigured Christopher Pike. Uncharacteristically, Spock commandeers the Enterprise, then turns himself in for court martial.

The Menagerie (2)
E12

12. The Menagerie (2)

7.9

Aired 24 November 1966 • 50 min

Spock's court martial reveals the actions of Captain Pike on his previous visit to Talos IV, where the powerful Talosians tried to persuade Pike to breed with women provided for the purpose.

The Conscience of the King
E13

13. The Conscience of the King

6.8

Aired 8 December 1966 • 50 min

Contacted by one of the other two witnesses to the crimes of mass murderer “Kodos the Executioner,” Kirk is persuaded that the criminal may be disguising himself as an actor in a traveling theatrical troupe.

Balance of Terror
E14

14. Balance of Terror

8.4

Aired 15 December 1966 • 50 min

Despite the earlier Romulan war, the Romulans have never been seen in person. The Enterprise, in pursuit of a Romulan aggressor, makes a discovery that causes suspicion about a senior crew member.

Shore Leave
E15

15. Shore Leave

6.7

Aired 29 December 1966 • 50 min

When McCoy sees the White Rabbit from Alice in Wonderland, the crew begins to realize that the planet they are visiting seems to have the dangerous power to turn any thought into reality.

The Galileo Seven
E16

16. The Galileo Seven

7.4

Aired 5 January 1967 • 50 min

Crash landing on a planet populated by hostile giants, the 7-man crew of the shuttlecraft Galileo find themselves unable to communicate with the enterprise or to escape the planet's atmosphere.

The Squire of Gothos
E17

17. The Squire of Gothos

7.0

Aired 12 January 1967 • 50 min

Encountering an uncharted planet in an empty region of space, Kirk and his crew are entertained by Trelane, a playful being who lacks the self-control to wield his great psionic powers with discipline.

Arena
E18

18. Arena

7.4

Aired 19 January 1967 • 51 min

With both their ships held captive by powerful beings, Kirk and the captain of the alien vessel are placed on an asteroid to fight for their lives and the lives of their crews.

Tomorrow Is Yesterday
E19

19. Tomorrow Is Yesterday

7.5

Aired 26 January 1967 • 50 min

In a freak accident the Enterprise is sent back to 20th century Earth, and must find their way back without changing history.

Court Martial
E20

20. Court Martial

7.3

Aired 2 February 1967 • 50 min

Captain Kirk's career is at stake when he is put on trial for the loss of a crewman during an ion storm.

The Return of the Archons
E21

21. The Return of the Archons

7.2

Aired 9 February 1967 • 50 min

The Enterprise encounters a seemingly peaceful civilization run by a "benevolent" being named Landru... who intends for them to join his people.

Space Seed
E22

22. Space Seed

8.5

Aired 16 February 1967 • 50 min

The Enterprise picks up a crew of genetic supermen from the 20th century... and their leader, Khan, plans to create a new empire.

A Taste of Armageddon
E23

23. A Taste of Armageddon

7.9

Aired 23 February 1967 • 50 min

The Enterprise arrives at a planet to establish diplomatic relations and finds itself in the middle of a "peaceful" war that threatens to destroy the ship.

This Side of Paradise
E24

24. This Side of Paradise

7.7

Aired 2 March 1967 • 50 min

The Enterprise crew try to rescue colonists from deadly radiation, but instead encounter strange alien spores that seem to offer paradise.

The Devil in the Dark
E25

25. The Devil in the Dark

8.0

Aired 9 March 1967 • 50 min

Kirk investigates a series of grisly murders on a mining planet that are the work of a seemingly hostile alien creature.

Errand of Mercy
E26

26. Errand of Mercy

8.0

Aired 23 March 1967 • 50 min

The Federation and the Klingon Empire teeter on the brink of war as Kirk investigates Organia, a humble planet, inhabited by pacifists, that is unwittingly caught in the middle.

The Alternative Factor
E27

27. The Alternative Factor

5.6

Aired 30 March 1967 • 51 min

Kirk and Spock encounter an alien named Lazarus who claims to be from an anti-matter universe.

The City on the Edge of Forever
E28

28. The City on the Edge of Forever

8.7

Aired 6 April 1967 • 50 min

Kirk and Spock must travel into the past in order to correct a change that will alter history.

Operation: Annihilate!
E29

29. Operation: Annihilate!

7.1

Aired 13 April 1967 • 50 min

Kirk and the Enterprise must combat parasitic aliens threatening the lives of millions.

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