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.