Season 1

Star TrekSeason 1

1966
29 Episodes

Episodes

The Man Trap
S01E01
7.0

The Man Trap

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.

08 Sept 196650m
Charlie X
S01E02
6.7

Charlie X

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.

15 Sept 196651m
Where No Man Has Gone Before
S01E03
7.1

Where No Man Has Gone Before

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.

22 Sept 196651m
The Naked Time
S01E04
7.3

The Naked Time

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.

29 Sept 196651m
The Enemy Within
S01E05
7.3

The Enemy Within

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.

06 Oct 196650m
Mudd's Women
S01E06
6.5

Mudd's Women

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.

13 Oct 196650m
What Are Little Girls Made Of?
S01E07
7.2

What Are Little Girls Made Of?

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.

20 Oct 196650m
Miri
S01E08
6.9

Miri

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.

27 Oct 196650m
Dagger of the Mind
S01E09
6.9

Dagger of the Mind

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.

03 Nov 196650m
The Corbomite Maneuver
S01E10
7.5

The Corbomite Maneuver

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.

10 Nov 196650m
The Menagerie (1)
S01E11
7.9

The Menagerie (1)

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.

17 Nov 196649m
The Menagerie (2)
S01E12
7.9

The Menagerie (2)

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.

24 Nov 196650m
The Conscience of the King
S01E13
6.7

The Conscience of the King

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.

08 Dec 196650m
Balance of Terror
S01E14
8.4

Balance of Terror

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.

15 Dec 196650m
Shore Leave
S01E15
6.7

Shore Leave

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.

29 Dec 196650m
The Galileo Seven
S01E16
7.4

The Galileo Seven

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.

05 Jan 196750m
The Squire of Gothos
S01E17
7.0

The Squire of Gothos

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.

12 Jan 196750m
Arena
S01E18
7.4

Arena

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.

19 Jan 196751m
Tomorrow Is Yesterday
S01E19
7.5

Tomorrow Is Yesterday

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

26 Jan 196750m
Court Martial
S01E20
7.3

Court Martial

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

02 Feb 196750m
The Return of the Archons
S01E21
7.2

The Return of the Archons

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

09 Feb 196750m
Space Seed
S01E22
8.5

Space Seed

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

16 Feb 196750m
A Taste of Armageddon
S01E23
7.9

A Taste of Armageddon

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.

23 Feb 196750m
This Side of Paradise
S01E24
7.7

This Side of Paradise

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

02 Mar 196750m
The Devil in the Dark
S01E25
8.0

The Devil in the Dark

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

09 Mar 196750m
Errand of Mercy
S01E26
8.0

Errand of Mercy

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.

23 Mar 196750m
The Alternative Factor
S01E27
5.6

The Alternative Factor

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

30 Mar 196751m
The City on the Edge of Forever
S01E28
8.7

The City on the Edge of Forever

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

06 Apr 196750m
Operation: Annihilate!
S01E29
7.1

Operation: Annihilate!

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

13 Apr 196750m