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Star Trek: The Original Series

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Episode Breakdown

Normal Episodes: 80
TV Specials: 0
TV Movies: 0

Episode Guide | Episode List | Schedule

Season 1

1x00

1966

The Cage (Pilot)

1x01

Sep. 08, 1966

1x02

Sep. 15, 1966

1x03

Sep. 22, 1966

Where No Man Has Gone Before

1x04

Sep. 29, 1966

1x05

Oct. 06, 1966

The Enemy Within

1x06

Oct. 13, 1966

1x07

Oct. 20, 1966

What Are Little Girls Made Of?

1x08

Oct. 27, 1966

1x09

Nov. 03, 1966

Dagger of the Mind

1x10

Nov. 10, 1966

The Corbomite Maneuver

1x11

Nov. 17, 1966

The Menagerie Part I

1x12

Nov. 24, 1966

The Menagerie Part II

1x13

Dec. 08, 1966

The Conscience of the King

1x14

Dec. 15, 1966

Balance of Terror

1x15

Dec. 29, 1966

1x16

Jan. 05, 1967

The Galileo Seven

1x17

Jan. 12, 1967

The Squire of Gothos

1x18

Jan. 19, 1967

1x19

Jan. 26, 1967

Tomorrow is Yesterday

1x20

Feb. 02, 1967

1x21

Feb. 09, 1967

The Return of the Archons

1x22

Feb. 16, 1967

1x23

Feb. 23, 1967

A Taste of Armageddon

1x24

Mar. 02, 1967

This Side of Paradise

1x25

Mar. 09, 1967

The Devil in the Dark

1x26

Mar. 23, 1967

Errand of Mercy

1x27

Mar. 30, 1967

The Alternative Factor

1x28

Apr. 06, 1967

The City on the Edge of Forever

1x29

Apr. 13, 1967

Operation -- Annihilate!

2x01

Sep. 15, 1967

2x02

Sep. 22, 1967

Who Mourns for Adonais?

2x03

Sep. 29, 1967

2x04

Oct. 06, 1967

2x05

Oct. 13, 1967

2x06

Oct. 20, 1967

The Doomsday Machine

2x07

Oct. 27, 1967

2x08

Nov. 03, 1967

2x09

Nov. 10, 1967

2x10

Nov. 17, 1967

Journey to Babel

2x11

Dec. 01, 1967

2x12

Dec. 08, 1967

The Deadly Years

2x13

Dec. 15, 1967

2x14

Dec. 22, 1967

Wolf in the Fold

2x15

Dec. 29, 1967

The Trouble with Tribbles

2x16

Jan. 05, 1968

The Gamesters of Triskelion

2x17

Jan. 12, 1968

A Piece of the Action

2x18

Jan. 19, 1968

The Immunity Syndrome

2x19

Feb. 02, 1968

A Private Little War

2x20

Feb. 09, 1968

Return to Tomorrow

2x21

Feb. 16, 1968

Patterns of Force

2x22

Feb. 23, 1968

By Any Other Name

2x23

Mar. 01, 1968

The Omega Glory

2x24

Mar. 08, 1968

The Ultimate Computer

2x25

Mar. 15, 1968

Bread and Circuses

2x26

Mar. 29, 1968

Assignment: Earth

3x01

Sep. 20, 1968

3x02

Sep. 27, 1968

The Enterprise Incident

3x03

Oct. 04, 1968

The Paradise Syndrome

3x04

Oct. 11, 1968

And the Children Shall Lead

3x05

Oct. 18, 1968

Is There in Truth No Beauty?

3x06

Oct. 25, 1968

Spectre of the Gun

3x07

Nov. 01, 1968

Day of the Dove

3x08

Nov. 08, 1968

For the World is Hollow and I Have Touched the Sky

3x09

Nov. 15, 1968

The Tholian Web

3x10

Nov. 22, 1968

Plato's Stepchildren

3x11

Nov. 29, 1968

3x12

Dec. 06, 1968

3x13

Dec. 20, 1968

Elaan of Troyius

3x14

Jan. 03, 1969

Whom Gods Destroy

3x15

Jan. 10, 1969

Let That Be Your Last Battlefield

3x16

Jan. 17, 1969

The Mark of Gideon

3x17

Jan. 24, 1969

That Which Survives

3x18

Jan. 31, 1969

The Lights of Zetar

3x19

Feb. 14, 1969

Requiem for Methuselah

3x20

Feb. 21, 1969

The Way to Eden

3x21

Feb. 28, 1969

The Cloud Minders

3x22

Mar. 07, 1969

The Savage Curtain

3x23

Mar. 14, 1969

All Our Yesterdays

3x24

Jun. 03, 1969

Turnabout Intruder

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Episode Screenshots

01x29 - Operation -- Annihilate!

Season 1, Episode 29

01x16 - The Galileo Seven

Season 1, Episode 16

02x26 - Assignment: Earth

Season 2, Episode 26

02x24 - The Ultimate Computer

Season 2, Episode 24

01x05 - The Enemy Within

Season 1, Episode 05