Season 3

Episode Guide

Spock's Brain

S3 E1
Sep 20, 1968
Kirk pursues aliens who have taken Spock's brain

The Enterprise Incident

S3 E2
Sep 27, 1968
Disguised as a Romulan, Kirk steals a cloaking device

The Paradise Syndrome

S3 E3
Oct 4, 1968
Kirk loses his memory and begins a life in a native village

And the Children Shall Lead

S3 E4
Oct 11, 1968
A group of children are being controlled by an evil force

Is There In Truth No Beauty?

S3 E5
Oct 18, 1968
The sight of a Medusan ambassador causes insanity

Spectre of the Gun

S3 E6
Oct 25, 1968
As punishment for trespassing, Kirk and crew are forced to re-enact the shootout at the OK Corral

Day of the Dove

S3 E7
Nov 1, 1968
A malevolent entity pits Klingons against the Enterprise crew

For the World Is Hollow and I Have Touched the Sky

S3 E8
Nov 8, 1968
An inhabited asteroid is on a collision course with a Federation planet

The Tholian Web

S3 E9
Nov 15, 1968
Kirk is trapped in interphase, while the Enterprise is trapped by a powerful energy web

Plato's Stepchildren

S3 E10
Nov 22, 1968
Platonians use psychokinetic power to toy with the crew

Wink of an Eye

S3 E11
Nov 29, 1968
Hyperaccelerated aliens, invisible to the naked eye, take over the Enterprise

The Empath

S3 E12
Dec 6, 1968
The landing party is used to test an empathic race

Elaan of Troyius

S3 E13
Dec 20, 1968
Kirk is distracted while the Enterprise is threatened

Whom Gods Destroy

S3 E14
Jan 3, 1969
Kirk is confronted by one of his heroes, now criminally insane

Let That Be Your Last Battlefield

S3 E15
Jan 10, 1969
Two survivors of a devasted planet remain committed to destroying one another

The Mark of Gideon

S3 E16
Jan 17, 1969
Kirk is abducted by aliens who wish to use him to help solve their overpopulation problem

That Which Survives

S3 E17
Jan 24, 1969
A deadly computer image protects a long dead outpost

The Lights of Zetar

S3 E18
Jan 31, 1969
Zetarians threaten Lieutenant Mira Romaine

Requiem for Methuselah

S3 E19
Feb 14, 1969
Kirk and crew meet an immortal human named Flint.

The Way to Eden

S3 E20
Feb 21, 1969
A charismatic leader and his followers hijack the Enterprise in their search for "Eden"

The Cloud Minders

S3 E21
Feb 28, 1969
Kirk is forced into negotiating peace on a planet with severe class inequities

The Savage Curtain

S3 E22
Mar 7, 1969
Kirk and Spock are forced into a battle of good and evil.

All Our Yesterdays

S3 E23
Mar 14, 1969
Kirk, Spock and McCoy enter a time portal and get stuck in the past on a planet about to be consumed by a nova.

Turnabout Intruder

S3 E24
Jun 3, 1969
A woman from Kirk's past exchanges bodies with him and takes control of the ship.