| Screenshot |
Title |
Original airdate |
Prod # |
#
|
| 100px |
"The Man Trap" |
September 8, 1966 |
006 |
1
|
| A shape-shifting, salt-hungry creature terrorizes the crew of the Enterprise, while McCoy's old love returns.
|
|
|
| 100px |
"Charlie X" |
September 15, 1966 |
008 |
2
|
| The Enterprise picks up an unstable teenage boy who has been living with aliens for most of his life. He has dangerous mental powers, and doesn't know how to control them.
|
|
|
| 100px |
"Where No One Has Gone Before" |
September 22, 1966 |
002 |
3
|
| The Enterprise journeys to the edge of the galaxy, where two crew members develop dangerous psychic powers, and one goes on to declare himself a god.
|
|
|
| 100px |
"The Naked Time" |
September 29, 1966 |
007 |
4
|
| A strange virus infects the crew of the Enterprise, causing them to behave as if they were intoxicated with alcohol.
|
|
|
| 100px |
"The Enemy Within" |
October 6, 1966 |
005 |
5
|
| A transporter mishap creates Captain Kirk's evil twin.
|
|
|
| 100px |
"Mudd's Women" |
October 13, 1966 |
004 |
6
|
| The Enterprise picks up a traveling con man, Harry Mudd, and his "beautiful" female cargo; the females seem to have a strange effect on the male crew.
|
|
|
| 100px |
"What Are Little Girls Made Of?" |
October 20, 1966 |
010 |
7
|
| Nurse Chapel searches for her long lost fiance, and uncovers his secret plan for galactic conquest.
|
|
|
| 100px |
"Miri" |
October 27, 1966 |
012 |
8
|
| The Enterprise discovers an exact duplicate of Earth, where the only survivors of a deadly plague are the planet's prepubescent children.
|
|
|
| 100px |
"Dagger of the Mind" |
November 3, 1966 |
011 |
9
|
| The Enterprise visits a prison planet where a new treatment for the criminally insane (a machine that affects their mind and memories) has deadly results.
|
|
|
| 100px |
"The Corbomite Maneuver" |
November 10, 1966 |
003 |
10
|
| The Enterprise initially encounters a cube-shaped probe in space; further investigation reveals the probe's source (a massive starship with an unusual pilot).
|
|
|
| 100px |
"The Menagerie, Part I" |
November 17, 1966 |
016 |
11
|
| Spock violates Federation orders by helping his former captain, Christopher Pike, return to Talos IV.
|
|
|
| 100px |
"The Menagerie, Part II" |
November 24, 1966 |
016 |
12
|
| Spock is put on trial for helping his former captain, Christopher Pike, return to Talos IV.
|
|
|
| 100px |
"The Conscience of the King" |
December 8, 1966 |
013 |
13
|
| Captain Kirk encounters a travelling company of actors, one of whom may have once been a murderous dictator.
|
|
|
| 100px |
"Balance of Terror" |
December 15, 1966 |
009 |
14
|
| The crew of the Enterprise confronts a hostile, space-faring race, whose appearance causes suspicion about Spock.
|
|
|
| 100px |
"Shore Leave" |
December 29, 1966 |
017 |
15
|
| The crew of the Enterprise visits a bizarre planet of dangerous illusions, encountering the rabbit from "Alice in Wonderland", fighter planes and Samurai.
|
|
|
| 100px |
"The Galileo Seven" |
January 5, 1967 |
014 |
16
|
| Mr. Spock commands a team aboard an Enterprise shuttlecraft that has crashed on the surface of an unexplored planet with aggressive humanoid creatures.
|
|
|
| 100px |
"The Squire of Gothos" |
January 12, 1967 |
018 |
17
|
| A powerful being dressed up as an 18th century Squire torments the crew of the Enterprise.
|
|
|
| 100px |
"Arena" |
January 19, 1967 |
019 |
18
|
| After the colony on Cestus III is destroyed , the Enterprise pursues an alien ship into unknown territory. Both the ships are disabled by a mysterious force and Captain Kirk is forced to fight in a bare-handed duel with the lizard-like, alien captain of the other ship.
|
|
|
| 100px |
"Tomorrow is Yesterday" |
January 26, 1967 |
021 |
19
|
| The crew of the Enterprise travels back to 1960's Earth, and must correct damage they caused to the timeline.
|
|
|
| 100px |
"Court Martial" |
February 2, 1967 |
015 |
20
|
| Captain Kirk stands trial on charges of negligence leading to the death of a crewman, and the Enterprise computer is the main witness against him.
|
|
|
| 100px |
"The Return of the Archons" |
February 9, 1967 |
022 |
21
|
| The crew of the Enterprise encounters a world with a dysfunctional society controlled by an unseen leader.
|
|
|
| 100px |
"Space Seed" |
February 16, 1967 |
024 |
22
|
| The Enterprise re-awakes a dangerous genetically-enhanced dictator from Earth's Eugenics Wars in the 1990s - Khan Noonien Singh.
|
|
|
| 100px |
"A Taste of Armageddon" |
February 23, 1967 |
023 |
23
|
| The crew of the Enterprise visits a planet whose people fight a strange, computerized war with a neighboring enemy planet.
|
|
|
| 100px |
"This Side of Paradise" |
March 2, 1967 |
025 |
24
|
| The Enterprise visits a planet where the inhabitants are kept in check by the spores of some strange plant life.
|
|
|
| 100px |
"The Devil in the Dark" |
March 9, 1967 |
026 |
25
|
| Captain Kirk faces off with a deadly subterranean creature, that is killing off miners.
|
|
|
| 100px |
"Errand of Mercy" |
March 16, 1967 |
027 |
26
|
| In a state of war with the Klingons, Kirk and Spock attempt to sway the primitive and incomprehensibly placid population of a planet to their side.
|
|
|
| 100px |
"The Alternative Factor" |
March 23, 1967 |
020 |
27
|
| The crew of the Enterprise encounters a madman with the ability to jump from our matter universe to our opposite anti-matter universe.
|
|
|
| 100px |
"The City on the Edge of Forever" |
April 6, 1967 |
028 |
28
|
| The crew of the Enterprise discover a portal through space and time, which leads to McCoy accidentally altering Earth history in the early 20th Century. Kirk and Spock follow him to help stop the Nazis from winning World War II.
|
|
|
| 100px |
"Operation: Annihilate" |
April 13, 1967 |
029 |
29
|
| The crew of the Enterprise encounter neurologically parasitic creatures that have destroyed a Federation colony, and are set to continue their murderous swarm across the galaxy.
|
|
|
| Screenshot |
Title |
Original airdate |
Prod # |
#
|
| 100px |
"Amok Time" |
September 15, 1967 |
034 |
30
|
| Mr. Spock gets into a murderous rage and has to return to his homeworld for a Vulcan marriage ritual to cure him.
|
|
|
| 100px |
"Who Mourns for Adonais" |
September 22, 1967 |
033 |
31
|
| The crew of the Enterprise are held captive by an alien who claims to be the Greek god Apollo.
|
|
|
| 100px |
"The Changeling" |
September 29, 1967 |
037 |
32
|
| The crew of the Enterprise deals with Nomad -- an indestructible, planet destroying space probe that thinks Kirk is its creator.
|
|
|
| 100px |
"Mirror, Mirror" |
October 6, 1967 |
039 |
33
|
| A transporter mishap slips Captain Kirk and his companions into a parallel universe (and their counter-parts into our universe).
|
|
|
| 100px |
"The Apple" |
October 13, 1967 |
038 |
34
|
| The crew of the Enterprise visits a mysterious paradise planet which they discover is controlled by a computer.
|
|
|
| 100px |
"The Doomsday Machine" |
October 20, 1967 |
035 |
35
|
| The Enterprise plays a deadly game of cat-and-mouse with an alien planet-killing machine that travels in space from star to star.
|
|
|
| 100px |
"Catspaw" |
October 27, 1967 |
030 |
36
|
| Two powerful aliens threaten the well being of the "Enterprise" and her crew, with their magic powers.
|
|
|
| 100px |
"I, Mudd" |
November 3, 1967 |
041 |
37
|
| Captain Kirk and the crew has a second run in with the con man, Harry Mudd, this time finding him as the king of a planet with an army of androids.
|
|
|
| 100px |
"Metamorphosis" |
November 10, 1967 |
031 |
38
|
| A shuttle crew from the Enterprise encounters a castaway (who appears to be Zefram Cochrane, the inventor of warp drive) and his mysterious alien companion.
|
|
|
| 100px |
"Journey to Babel" |
November 17, 1967 |
044 |
39
|
| While the Enterprise is transporting dignitaries to an important peace conference, an assassin is discovered.
|
|
|
| 100px |
"Friday's Child" |
December 1, 1967 |
032 |
40
|
| The crew of the Enterprise become entangled in a planet's tribal power struggle, but it has been mixed up with the Klingons.
|
|
|
| 100px |
"The Deadly Years" |
December 8, 1967 |
040 |
41
|
| Strange radiation exposes the command crew of the Enterprise to the effects of rapid aging.
|
|
|
| 100px |
"Obsession" |
December 15, 1967 |
047 |
42
|
| Captain Kirk becomes obsessed with destroying a murderous entity that killed many of the crew of his old ship.
|
|
|
| 100px |
"Wolf in the Fold" |
December 22, 1967 |
036 |
43
|
| A series of bizarre murders points to Mr. Scott as the primary suspect, but in fact it is a demonic alien.
|
|
|
| 100px |
"The Trouble With Tribbles" |
December 29, 1967 |
042 |
44
|
| Little, fuzzy critters called Tribbles invade and over-populate a Federation star base--and expose the Klingons' plans.
|
|
|
| 100px |
"The Gamesters of Triskelion" |
January 5, 1968 |
046 |
45
|
| Captain Kirk and his companions are sent to fight as gladiators for the gambling entertainment of three disembodied beings.
|
|
|
| 100px |
"A Piece of the Action" |
January 12, 1968 |
049 |
46
|
| The Enterprise visits a planet with an Earth-like, violent, 1920's, gangster culture.
|
|
|
| 100px |
"The Immunity Syndrome" |
January 19, 1968 |
048 |
47
|
| The crew of the Enterprise encounters an energy-draining space creature.
|
|
|
| 100px |
"A Private Little War" |
February 2, 1968 |
045 |
48
|
| Captain Kirk must decide how to save a primitive people from the technological interference of the Klingons.
|
|
|
| 100px |
"Return to Tomorrow" |
February 9, 1968 |
051 |
49
|
| Telepathic aliens take control of Kirk and Spock's bodies with the intention to build new, mechanized bodies for themselves.
|
|
|
| 100px |
"Patterns of Force" |
February 16, 1968 |
052 |
50
|
| The crew of the Enterprise visits a planet dominated by a Nazi culture and at war with its planetary neighbor.
|
|
|
| 100px |
"By Any Other Name" |
February 23, 1968 |
050 |
51
|
| Beings from the Andromeda Galaxy steal the Enterprise, technically modify it, and attempt to return home.
|
|
|
| 100px |
"The Omega Glory" |
March 1, 1968 |
054 |
52
|
| Captain Kirk must battle a deadly virus and prevent a meaningless intertribal war.
|
|
|
| 100px |
"The Ultimate Computer" |
March 8, 1968 |
053 |
53
|
| A new battle computer being tested on board the Enterprise (with the intention of eventually replacing most of the human crew), instead causes havoc.
|
|
|
| 100px |
"Bread and Circuses" |
March 15, 1968 |
043 |
54
|
| Captain Kirk and his companions are forced to fight in gladiatorial games on a planet modeled after the Roman Empire.
|
|
|
| 100px |
"Assignment: Earth" |
March 29, 1968 |
055 |
55
|
| Time warping back to Earth of the 1960's, the crew of the Enterprise encounters an intergalactic superspy, Gary Seven who tries to interfere with 20th Century events.
|
|
|
| Screenshot |
Title |
Original airdate |
Prod # |
#
|
| 100px |
"Spock's Brain" |
September 20, 1968 |
061 |
56
|
| Captain Kirk pursues aliens who have stolen Spock's brain.
|
|
|
| 100px |
"The Enterprise Incident" |
September 27, 1968 |
059 |
57
|
| The crew of the Enterprise attempts to steal a Romulan cloaking device.
|
|
|
| 100px |
"The Paradise Syndrome" |
October 4, 1968 |
058 |
58
|
| A mysterious alien device on a planet with a predominantly American Indian culture erases Captain Kirk's memory, and he begins a life with them as a member of their tribe.
|
|
|
| 100px |
"And the Children Shall Lead" |
October 11, 1968 |
060 |
59
|
| The crew of the Enterprise rescues a group of children stranded on a planet, along with their evil "imaginary" friend.
|
|
|
| 100px |
"Is There in Truth No Beauty?" |
October 18, 1968 |
062 |
60
|
| The Enterprise travels with an alien ambassador who must travel inside a special black case because his appearance causes insanity.
|
|
|
| 100px |
"Spectre of the Gun" |
October 25, 1968 |
056 |
61
|
| For having trespassed on an alien world, Captain Kirk and his companions are forced to re-enact the shoot out at the O.K. Corral.
|
|
|
| 100px |
"Day of the Dove" |
November 1, 1968 |
066 |
62
|
| An alien energy-based life form drives the crew of the Enterprise into brutal conflict with the Klingons.
|
|
|
| 100px |
"For the World Is Hollow and I Have Touched the Sky" |
November 8, 1968 |
065 |
63
|
| The crew of the Enterprise rush to stop an asteroid from colliding with a Federation world, but discovers that the inside of the asteroid is inhabited.
|
|
|
| 100px |
"The Tholian Web" |
November 15, 1968 |
064 |
64
|
| Captain Kirk is caught between dimensions while the Enterprise is trapped by an energy draining web spun by mysterious aliens.
|
|
|
| 100px |
"Plato's Stepchildren" |
November 22, 1968 |
067 |
65
|
| The crew of the Enterprise encounters an ageless and mischievous race of psychic humanoids who claim to have organized their society around Ancient Greek ideals.
|
|
|
| 100px |
"Wink of an Eye" |
November 29, 1968 |
068 |
66
|
| Invisible "time-accelerated" aliens take over the Enterprise and attempt to abduct the crew for use as "genetic stock".
|
|
|
| 100px |
"The Empath" |
December 6, 1968 |
063 |
67
|
| While visiting a doomed planet, the landing party is subject to torturous experiments to test an empathic race.
|
|
|
| 100px |
"Elaan of Troyius" |
December 20, 1968 |
057 |
68
|
| Captain Kirk hosts a spoiled princess, who must bring peace to a star system at war.
|
|
|
| 100px |
"Whom Gods Destroy" |
January 3, 1969 |
071 |
69
|
| Kirk visits a mental health facility and confronts an insane starship captain who believes he is destined to control the universe.
|
|
|
| 100px |
"Let That Be Your Last Battlefield" |
January 10, 1969 |
070 |
70
|
| The Enterprise picks up the last two survivors of a war torn planet who are still committed to destroying each other aboard the ship.
|
|
|
| 100px |
"The Mark of Gideon" |
January 17, 1969 |
072 |
71
|
| A race of overpopulated aliens abduct Kirk to solve their problem.
|
|
|
| 100px |
"That Which Survives" |
January 24, 1969 |
069 |
72
|
| The crew of the Enterprise visits an abandoned outpost guarded by a mysterious computer.
|
|
|
| 100px |
"The Lights of Zetar" |
January 31, 1969 |
073 |
73
|
| Strange, energy-based alien life forms threaten the Memory Alpha station and the Enterprise crew.
|
|
|
| 100px |
"Requiem for Methuselah" |
February 14, 1969 |
076 |
74
|
| The crew of the Enterprise encounters an immortal human who lives as a recluse on his own planet.
|
|
|
| 100px |
"The Way to Eden" |
February 21, 1969 |
075 |
75
|
| The Enterprise is hijacked by a criminal doctor and his loyal, hippie-like followers who are attempting to find paradise.
|
|
|
| 100px |
"The Cloud Minders" |
February 28, 1969 |
074 |
76
|
| Kirk races against time to acquire plague-fighting minerals from a world in the midst of a civil uprising.
|
|
|
| 100px |
"The Savage Curtain" |
March 7, 1969 |
077 |
77
|
| Aliens force Kirk and Spock to battle illusionary villains in a test of good versus evil.
|
|
|
| 100px |
"All Our Yesterdays" |
March 14, 1969 |
078 |
78
|
| Kirk, Spock, and McCoy are trapped in the past on a world threatened by a supernova.
|
|
|
| 100px |
"Turnabout Intruder" |
June 3, 1969 |
079 |
79
|
| Kirk's consciousness becomes trapped in the body of a woman bent on killing him and taking over his command while inhabiting his body.
|
|
|
