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  • NBC
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  • Action Adventure Drama Science-fiction



Spock's Brain
Episode overview
Kirk leads the Enterprise in pursuit of a mysterious alien woman after she beams aboard the bridge and steals Spock's brain.
The Enterprise Incident
Episode overview
An unusually tense and irritable Kirk orders his ship into the Romulan Neutral Zone, where it is promptly surrounded. Beamed to a Romulan ship, Kirk lies about the intrusion, then .. show full overview
The Paradise Syndrome
Episode overview
Spock and the Enterprise crew race to destroy an asteroid threatening a primitive world where an amnesiac Kirk is proclaimed a god by its indigenous people.
And the Children Shall Lead
Episode overview
The Enterprise travels to a planet where the members of a scientific team appear to have killed themselves. Their orphaned children are brought back to the ship, where they begin exhibiting odd behavior.
Is There in Truth No Beauty?
Episode overview
The Enterprise hosts an alien ambassador whose outward appearance induces madness in humanoids. When Spock is driven mad after an unfortunate oversight, only the ambassador's jealous telepathic companion can save his mind.
Spectre of the Gun
Episode overview
When coming to an exaphobic isolationist planet, Captain Kirk and his landing party are punished for trepassing. They are sentenced to death in a surreal recreation of the Gunfight at the OK Corral with the landing on the losing side.
Day of the Dove
Episode overview
When the Enterprise brings aboard Klingon prisoners, an alien entity pits both sides against each other in an ever-escalating struggle.
For the World is Hollow and I Have Touched the Sky
Episode overview
The Enterprise must deflect an asteroid on a collision course with an inhabited planet... but discover the asteroid is a spaceship with a population unaware of the outside world.
The Tholian Web
Episode overview
Captain Kirk finds himself trapped between dimensions on a disintegrating starship. The Enterprise crew works against time to rescue him as the Tholians weave a destructive energy web around their ship.
Plato's Stepchildren
Episode overview
Kirk and his crew find themselves at the mercy of powerful individuals who possess mind-over-matter powers... and plan to use the Enterprise crew for their twisted entertainment.
Wink of an Eye
Episode overview
Invisible to humans due to their time-accelerated state, a group of aliens invade the Enterprise and attempt to abduct members of the crew to serve as breeding stock for their dying planet.
The Empath
Episode overview
On a planet doomed to destruction, Kirk, Spock & McCoy become involved with two aliens who use them as laboratory animals in a bizarre series of tests on an alien empath who may be the savior of her planet.
Elaan of Troyius
Episode overview
The Enterprise must escort an alien princess to her marriage to seal an interplanetary alliance... but she becomes attracted to Kirk.
Whom Gods Destroy
Episode overview
Kirk and Spock investigate an insane asylum where a former Starfleet captain is being held, only to discover that he has freed the inmates and is running the place.
Let That Be Your Last Battlefield
Episode overview
The Enterprise finds itself host to two alien beings from the same planet, who share an intense and self-destructive hatred of each other.
The Mark of Gideon
Episode overview
Kirk beams down on a diplomatic mission... and finds himself in an Enterprise where all the crew have vanished and only a mysterious woman resides.
That Which Survives
Episode overview
Kirk, McCoy, and Sulu are stranded on a barren planet where a mysterious woman attempts to kill them one at a time, while the Enterprise must travel halfway across the galaxy to rescue them.
The Lights of Zetar
Episode overview
The Enterprise must deal with discorporeal cloud-like corporeal aliens who have already destroyed the inhabitants of a library planet and plan to eliminate the Enterprise crew if they cannot acquire a human host.
Requiem for Methuselah
Episode overview
While seeking a cure for a fever ravaging the Enterprise, Kirk and Spock encounter Flint, a hermit-like Earthman, and his beautiful young ward.
The Way to Eden
Episode overview
The Enterprise picks up a group of space "hippies" looking for Eden.
The Cloud Minders
Episode overview
Kirk must resolve a mining dispute on a the cloud city of Stratos to acquire the resources to cure a space plague.
The Savage Curtain
Episode overview
Kirk and Spock meet Abraham Lincoln and Surak of Vulcan and must do battle with some of histories most terrible villians.
All Our Yesterdays
Episode overview
Kirk, Spock, and McCoy become trapped in the past of another world.
Turnabout Intruder
Episode overview
The Enterprise is in danger when Janice Lester, one of Kirk's former lovers, steals his body.