Season 1 poster

Season 1

(1966)

Cast

William Shatner as James T. Kirk
William Shatner

as James T. Kirk

Leonard Nimoy as Spock
Leonard Nimoy

as Spock

DeForest Kelley as Dr. McCoy
DeForest Kelley

as Dr. McCoy

James Doohan as Scott
James Doohan

as Scott

George Takei as Sulu
George Takei

as Sulu

Nichelle Nichols as Uhura

Episodes

The Man Trap poster

The Man Trap 7.0

September 8, 1966

Kirk and his crew are at deadly risk from an alien creature that feeds on the salt in a human body and can take on any …

Charlie X poster

Charlie X 6.7

September 15, 1966

Charlie Evans, the sole survivor of a transport crash, is transferred to the Enterprise from a different ship. Why are …

Where No Man Has Gone Before poster

Where No Man Has Gone Before 7.0

September 22, 1966

While exploring the edge of the galaxy, the Enterprise encounters an energy barrier that gives some crewmen strange pow…

The Naked Time poster

The Naked Time 7.2

September 29, 1966

A strange alien substance causes the crew to lose their inhibitions.

The Enemy Within poster

The Enemy Within 7.3

October 6, 1966

A transporter malfunction causes Captain Kirk to split into his "good" and "evil" selves, and a landing party will free…

Mudd's Women poster

Mudd's Women 6.5

October 13, 1966

The Enterprise picks up a intergalactic conman, Harry Mudd, and three incredibly beautiful women who harbor a dark secr…

What Are Little Girls Made Of? poster

What Are Little Girls Made Of? 7.1

October 20, 1966

Nurse Christine Chapel is reunited with her old fiance on Exo III, but the scientist has plans for Captain Kirk and the…

Miri poster

Miri 7.0

October 27, 1966

Kirk and a landing party are stranded on a planet due to a disease that causes any adult to die a painful death, and mu…

Dagger of the Mind poster

Dagger of the Mind 6.9

November 3, 1966

Kirk investigates an experimental facility for holding prisoners and finds a sinister scheme.

The Corbomite Maneuver poster

The Corbomite Maneuver 7.5

November 10, 1966

The Enterprise encounters a vast alien ship that threatens the Enterprise with destruction.

The Menagerie (1) poster

The Menagerie (1) 7.7

November 17, 1966

Spock kidnaps his former captain, the crippled Christopher Pike, and heads for a quarantined planet, putting his career…

The Menagerie (2) poster

The Menagerie (2) 7.8

November 24, 1966

Spock's court-martial continues as he attempts to justify his abduction of Pike, the theft of the Enterprise, and his h…

The Conscience of the King poster

The Conscience of the King 6.6

December 8, 1966

Kirk is one of the last survivors who can identify a mass killer, who lurks among a Shakespearean troupe aboard the Ent…

Balance of Terror poster

Balance of Terror 8.3

December 15, 1966

Kirk pits the Enterprise against an invisible spaceship testing the Federation's defenses.

Shore Leave poster

Shore Leave 6.6

December 29, 1966

The Enterprise crew take shore leave on a peaceful, pastoral planet... where their dreams and fantasies come to life.

The Galileo Seven poster

The Galileo Seven 7.3

January 5, 1967

Spock commands a stranded away team when their shuttlecraft is stranded on a planet with hostile natives.

The Squire of Gothos poster

The Squire of Gothos 6.9

January 12, 1967

The Enterprise finds itself at the mercy of a seemingly omnipotent being who fancies himself an 18th century Englishman.

Arena poster

Arena 7.4

January 19, 1967

When a mysterious alien race destroy an Earth colony, the Enterprise pursues, but Kirk and the alien captain are forced…

Tomorrow Is Yesterday poster

Tomorrow Is Yesterday 7.4

January 26, 1967

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

Court Martial poster

Court Martial 7.3

February 2, 1967

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 poster

The Return of the Archons 7.2

February 9, 1967

The Enterprise encounters a seemingly peaceful civilization run by a "benevolent" being named Landru... who intends for…

Space Seed poster

Space Seed 8.4

February 16, 1967

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

A Taste of Armageddon poster

A Taste of Armageddon 7.9

February 23, 1967

The Enterprise arrives at a planet to establish diplomatic relations and finds itself in the middle of a "peaceful" war…

This Side of Paradise poster

This Side of Paradise 7.7

March 2, 1967

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

The Devil in the Dark poster

The Devil in the Dark 7.9

March 9, 1967

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

Errand of Mercy poster

Errand of Mercy 8.0

March 23, 1967

The Federation and the Klingon Empire teeter on the brink of war as Kirk investigates Organia, a humble planet, inhabit…

The Alternative Factor poster

The Alternative Factor 5.4

March 30, 1967

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

The City on the Edge of Forever poster

The City on the Edge of Forever 8.6

April 6, 1967

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

Operation: Annihilate! poster

Operation: Annihilate! 7.0

April 13, 1967

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