Worst & Best Star Trek ( Original Series 1966 ) Episodes/List

Title: Star Trek (1966)
Genre: US Sci-Fi Series
Series: 3
Episodes: 79
Runtime: 50 min
First Transmission: 1966-1969
Channel: NBC

Follow the adventures of the starship USS Enterprise (NCC-1701) and its crew.

 

Episode Rankings

 

Best Episode [ S1 Ep28 ]

The City on the Edge of Forever – A temporarily insane Dr McCoy accidentally changes history when he journeys through a time portal. Kirk and Spock follow him to prevent the disaster, but they have to pay a high price.
6 April 1967

 

Worst Episode [ S3 Ep4 ]

And the Children Shall Lead – The Enterprise reaches a Federation colony where the adults have all killed themselves but the children still play happily.
11 October 1968

 

Full Episode Guide

Key:-
Blue episodes rated above par.
Brown episodes rated below par.

Series One

#1 The Man Trap (1966) –
Dr McCoy discovers his old flame is not what she seems after crew members start dying from a sudden lack of salt in their bodies.
#2 Charlie X (1966) –
A 17-year-old boy with amazing psychokinetic abilities causes mayhem on the Enterprise.
#3 Where No Man Has Gone Before (1966) –
The flight recorder of the 200-year-old U.S.S. Valiant reveals a magnetic storm at the edge of the galaxy!
#4 The Naked Time (1966) –
The Enterprise is infected with a mysterious disease that removes people’s inhibitions to a dangerous degree.
#5 The Enemy Within (1966) –
A transporter malfunction splits Captain Kirk into two people; one meek and indecisive, the other cruel and manipulative.
#6 Mudd’s Women (1966) –
Harry Mudd comes aboard accompanied by three beautiful women who put a spell on all the male crew members.
#7 What Are Little Girls Made Of? (1966) –
Nurse Chapel’s old fiancé makes an android duplicate of Captain Kirk.
#8 Miri (1966) –
The Enterprise encounters a duplicate Earth populated by children who contract a deadly disease on entering puberty.
#9 Dagger of the Mind (1966) –
Kirk and psychiatrist Helen Noel are trapped in a maximum-security penal colony where mind control experiments are performed.
#10 The Corbomite Maneuver (1966) –
After destroying a dangerous marker buoy, the Enterprise is threatened by a gigantic alien ship.
#11 The Menagerie: Part 1 (1966) –
Spock kidnaps the crippled Capt. Pike, hijacks the Enterprise and then surrenders for court-martial.
#12 The Menagerie: Part 2 (1966) –
At the court-martial, Spock explains himself with mysterious footage showing Capt. Pike being kidnapped by powerful illusion casting aliens.
#13 The Conscience of the King (1966) –
Captain Kirk investigates whether an actor is actually a presumed dead mass murderer.
#14 Balance of Terror (1966) –
A Romulan ship makes a hostile armed probe of Federation territory.
#15 Shore Leave (1966) –
The crew takes a well-earned break on a weird planet.
#16 The Galileo Seven (1967) –
The Galileo Seven, under Spock’s command, crash-lands on a hostile planet. The Enterprise must find the crew fast.
#17 The Squire of Gothos (1967) –
A being that controls matter wants to play with the Enterprise crew.
#18 Arena (1967) –
Captain Kirk is pitted in mortal combat against the reptilian captain of an alien ship
#19 Tomorrow Is Yesterday (1967) –
The Enterprise is thrown back in time to 1960s Earth.
#20 Court Martial (1967) –
Kirk is court-martialled for the negligent death of a crewman.
#21 The Return of the Archons (1967) –
The Enterprise encounters a peaceful society under a 6000-year autocratic rule that kills those it cannot absorb.
#22 Space Seed (1967) –
Captain Kirk and his crew find and revive a genetically engineered world conqueror and his acolytes from Earth’s 20th century.
#23 A Taste of Armageddon (1967) –
The Enterprise’s crew is declared killed in action in a bizarre computer-simulated war.
#24 This Side of Paradise (1967) –
The Enterprise investigates a planet whose colonists should all be dead.
#25 The Devil in the Dark (1967) –
The Enterprise is sent to a mining colony that is being terrorised by a mysterious monster.
#26 Errand of Mercy (1967) –
Kirk and Spock attempt to stop the occupation of a peaceful planet by the klingons.
#27 The Alternative Factor (1967) –
Existence itself comes under threat from a man’s power-struggle with his alternate self.
#28 The City on the Edge of Forever (1967) –
Kirk and Spock go back in time to prevent McKoy from changing history.
#29 Operation: Annihilate! (1967) –
The Enterprise must stop a plague of amoeba-like creatures from spreading throughout the galaxy.

Series Two

#30 Amok Time (1967) –
In the throes of his Pon Farr mating period, Spock must return to Vulcan to meet his intended future wife, betrothed from childhood.
#31 Who Mourns for Adonais? (1967) –
The Greek god Apollo appears and demands that the crew of the Enterprise lands on his planet and worship him.
#32 The Changeling (1967) –
An intelligent Earth probe, with a murderous temperament, comes aboard the Enterprise.
#33 Mirror, Mirror (1967) –
A transporter malfunction sends Captain Kirk’s landing party into an alternate universe, where the Enterprise is in the service of a brutal empire.
#34 The Apple (1967) –
Inhabitants of Gamma Trianguli VI worship a God who orders them to kill visitors.
#35 The Doomsday Machine (1967) –
The Enterprise encounters the wrecked USS Constellation and its distraught commodore who’s determined to stop the giant planet-destroying robot ship that killed his crew.
#36 Catspaw (1967) –
The crew of the Enterprise encounter two aliens from another galaxy with consciousness-altering powers.
#37 I, Mudd (1967) –
Harry Mudd returns and tries to take over the Enterprise by stranding the crew on a planet populated by androids.
#38 Metamorphosis (1967) –
Kirk, Spock, McCoy and a seriously ill Federation diplomat find themselves kidnapped by an energised cloud.
#39 Journey to Babel (1967) –
The Enterprise hosts a number of diplomats, including Spock’s father, but someone on board has murder in mind.
#40 Friday’s Child (1967) –
A sudden coup between a planet’s warrior-minded inhabitants forces Kirk’s party to flee with the now-dead leader’s pregnant wife.
#41 The Deadly Years (1967) –
A landing party from the Enterprise is exposed to a strange form of radiation which rapidly ages them.
#42 Obsession (1967) –
Capt. Kirk obsessively hunts for the mysterious cloud creature he encountered in his youth.
#43 Wolf in the Fold (1967) –
Scotty is accused of murdering women on a pleasure planet.
#44 The Trouble with Tribbles (1967) –
Tiny, furry animals cause much trouble for Kirk.
#45 The Gamesters of Triskelion (1968) –
Kirk, Uhura and Chekov are trapped on a planet where aliens are enslaved and trained to perform as gladiators.
#46 A Piece of the Action (1968) –
The Enterprise crew lands on a planet modeled on 1920s gangster culture.
#47 The Immunity Syndrome (1968) –
The Enterprise encounters a gigantic energy-draining space organism that threatens the galaxy.
#48 A Private Little War (1968) –
Within a primitive society, the Enterprise discovers that the Klingons are providing a Stone Age society with increasingly-advanced weaponry.
#49 Return to Tomorrow (1968) –
An alien being named Sargon, who exists as pure energy, invites a small team to beam down to a planet that had been destroyed half a million years earlier.
#50 Patterns of Force(1968) –
Kirk and Spock find themselves on a planet whose culture has been completely patterned after Nazi Germany.
#51 By Any Other Name (1968) –
Aliens in human form have seized control of the Enterprise.
#52 The Omega Glory (1968) –
Kirk responds to a distress signal, to find Captain Tracey of the U.S.S. Exeter violating the prime directive and interfering with a war between the Yangs and the Kohms for the secret of their longevity.
#53 The Ultimate Computer (1968) –
The Enterprise has to test the M-5 Multitronic system, which could potentially render them all redundant.
#54 Bread and Circuses (1968) –
The Enterprise crew investigates the disappearance of a ship’s crew on a planet that is a modern version of the Roman Empire.
#55 Assignment: Earth (1968) –
Observing Earth in 1968, the Enterprise crew encounters the mysterious Gary Seven.

Series Three

#56 Spock’s Brain (1968) –
The crew of the Enterprise pursues a mysterious woman who has removed Spock’s brain.
#57 The Enterprise Incident (1968) –
Capt. Kirk has the Enterprise deliberately enter the Romulan Neutral Zone where the ship is immediately captured by the enemy.
#58 The Paradise Syndrome (1968) –
Trapped on a planet, Kirk loses his memory and is proclaimed a God whilst a crippled Enterprise must get back to the planet before it is destroyed by an asteroid.
#59 And the Children Shall Lead (1968) –
The Enterprise reaches a Federation colony where the adults have all killed themselves but the children still play happily.
#60 Is There In Truth No Beauty? (1968) –
A beautiful woman escorts an alien ambassador so ugly that the sight of him can drive a human insane.
#61 Spectre of the Gun (1968) –
As punishment for trespass, the Melkot condemn Capt. Kirk and his landing party to the losing side of a recreation of the 1881 historic gunfight at the OK Corral.
#62 Day of the Dove (1968) –
Both humans and Klingons have been lured to a planet by an entity that feeds on hatred.
#63 For the World Is Hollow and I Have Touched the Sky (1968) –
The Enterprise discovers that an asteroid that is on a collision course with a planet is actually an ancient manned spaceship.
#64 The Tholian Web (1968) –
With Capt. Kirk and the derelict USS Defiant apparently lost, the Enterprise grapples with an insanity causing plague and an attack by the Tholians.
#65 Plato’s Stepchildren (1968) –
The Enterprise discovers a planet inhabited by aliens who were once followers of the Greek philosopher Plato.
#66 Wink of an Eye (1968) –
A group of aliens, who exist in an accelerated state, invade the Enterprise and abduct Capt. Kirk.
#67 The Empath (1968) –
Kirk, Spock and McCoy meet an empath and embark on a series of experiments.
#68 Elaan of Troyius (1968) –
The Enterprise has to transport a demanding Princess whose biochemistry can force men to fall in love with her.
#69 Whom Gods Destroy (1969) –
Kirk and Spock are taken prisoners by a former starship captain named Garth, who has taken over a high-security asylum for the criminally insane.
#70 Let That Be Your Last Battlefield (1969) –
The Enterprise encounters two mutually belligerent aliens who put the ship in the middle of their old conflict.
#71 The Mark of Gideon (1969) –
Kirk beams down to the planet Gideon and finds himself trapped on a deserted Enterprise.
#72 That Which Survives (1969) –
After a landing party beams down to an interesting planet, the Enterprise is hurled across the galaxy.
#73 The Lights of Zetar (1969) –
A mysterious, twinkling mass of energy ravages an important archive and Scotty’s new girlfriend may be linked to it.
#74 Requiem for Methuselah (1969) –
While the Enterprise searches for the cure to a deadly disease, the landing party is confronted by a reclusive man who is willing to kill to preserve his privacy.
#75 The Way to Eden (1969) –
A group of idealistic hippies, led by an irrational leader, come aboard the U.S.S. Enterprise.
#76 The Cloud Minders (1969) –
Kirk and Spock are caught up in a class revolution on a planet.
#77 The Savage Curtain (1969) –
A rock creature needs to understand the concept of “good” vs “evil.”
#78 All Our Yesterdays (1969) –
Kirk, Spock and McCoy find themselves trapped in the past.
#79 Turnabout Intruder (1969) –
Captain Kirk’s ex-lover Dr Janice Lester forcibly switches bodies with him in order to take over the Enterprise.