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Star Trek: The Original Series (season 3)

This is a list of episodes from the third and final season of the original Star Trek series.

Star Trek: The Original Series (season 3)
Star Trek The Original Series season 3.png
DVD cover
Country of origin United States
No. of episodes 24
Original network NBC
Original release September 20, 1968 (1968-09-20) – June 3, 1969 (1969-06-03)
Season chronology
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Season 2
List of Star Trek: The Original Series episodes


Broadcast historyEdit

The season originally aired Fridays at 10:00-11:00 pm (EST) on NBC. The final episode aired on Tuesday, Sept. 2, 1969, at 7:30-8:30 pm (EST).


No. in
Title Stardate[1] Directed by Written by Original air date [2] Prod.
56 1 "Spock's Brain" 5431.4 Marc Daniels Lee Cronin[a] September 20, 1968 (1968-09-20) 61
Captain Kirk pursues aliens who have stolen Spock's brain.[3]
57 2 "The Enterprise Incident" 5027.3 John Meredyth Lucas D. C. Fontana September 27, 1968 (1968-09-27) 59
The crew of the Enterprise attempts to steal a Romulan cloaking device.[3]
58 3 "The Paradise Syndrome" 4842.6 Jud Taylor Margaret Armen October 4, 1968 (1968-10-04) 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.[3]
59 4 "And the Children Shall Lead" 5029.5 Marvin Chomsky Edward J. Lakso October 11, 1968 (1968-10-11) 60
The crew of the Enterprise rescues a group of children stranded on a planet, along with their evil "imaginary" friend.[3]
60 5 "Is There in Truth No Beauty?" 5630.7 Ralph Senensky Jean Lisette Aroeste October 18, 1968 (1968-10-18) 62
The Enterprise travels with an alien ambassador who must travel inside a special case because his appearance causes insanity.[3]
61 6 "Spectre of the Gun" 4385.3 Vincent McEveety Lee Cronin[a] October 25, 1968 (1968-10-25) 56
For trespassing on an alien world, Captain Kirk and his companions are forced to re-enact the famous shoot-out at the O.K. Corral with themselves cast as the losing side.[3]
62 7 "Day of the Dove" 5630.3 Marvin Chomsky Jerome Bixby November 1, 1968 (1968-11-01) 66
An alien energy-based life form that feeds on negative emotions (such as fear, anger, hatred) drives the crew of the Enterprise into brutal conflict with the Klingons.[3]
63 8 "For the World Is Hollow and I Have Touched the Sky" 5476.3 Tony Leader Rik Vollaerts November 8, 1968 (1968-11-08) 65
As McCoy discovers he is dying of an incurable disease, the crew of the Enterprise rush to stop an asteroid from colliding with a Federation world, only to discover that the asteroid is, in fact, a disguised alien vessel. They find an entire civilization living in the ship who believe they are actually on a planet and a dictatorial "Oracle" who forbids any attempt to discover the truth.[3]
64 9 "The Tholian Web" 5693.2 Herb Wallerstein Judy Burns and Chet Richards November 15, 1968 (1968-11-15) 64
Captain Kirk is caught between dimensions while the Enterprise is trapped by an energy draining web spun by mysterious aliens. The two-part Enterprise episode "In a Mirror, Darkly" serves as a sequel to this episode.[3]
65 10 "Plato's Stepchildren" 5784.2 David Alexander Meyer Dolinsky November 22, 1968 (1968-11-22) 67
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.[3]
66 11 "Wink of an Eye" 5710.5 Jud Taylor Story by : Lee Cronin[a]
Teleplay by : Arthur Heinemann
November 29, 1968 (1968-11-29) 68
Invisible "time-accelerated" aliens take over the Enterprise and attempt to abduct the crew for use as "genetic stock".[3]
67 12 "The Empath" 5121.5 John Erman Joyce Muskat December 6, 1968 (1968-12-06) 63
While visiting a doomed planet, the landing party is subject to torturous experiments to test an empathic race.[3]
68 13 "Elaan of Troyius" 4372.5 John Meredyth Lucas John Meredyth Lucas December 20, 1968 (1968-12-20) 57
Captain Kirk hosts a spoiled princess, who must bring peace to a star system at war.[3]
69 14 "Whom Gods Destroy" 5718.3 Herb Wallerstein Story by : Lee Erwin and Jerry Sohl
Teleplay by : Lee Erwin
January 3, 1969 (1969-01-03) 71
Captain Kirk visits a mental health facility and confronts an insane starship captain who believes he is destined to control the universe.[3]
70 15 "Let That Be Your Last Battlefield" 5730.2 Jud Taylor Story by : Lee Cronin[a]
Teleplay by : Oliver Crawford
January 10, 1969 (1969-01-10) 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.[3]
71 16 "The Mark of Gideon" 5423.4 Jud Taylor George F. Slavin and Stanley Adams January 17, 1969 (1969-01-17) 72
An overpopulated race of aliens abduct Kirk to solve their problem.[3]
72 17 "That Which Survives" Unknown Herb Wallerstein Story by : Michael Richards[b]
Teleplay by : John Meredyth Lucas
January 24, 1969 (1969-01-24) 69
The crew of the Enterprise visits an abandoned outpost guarded by a mysterious computer.[3]
73 18 "The Lights of Zetar" 5725.3 Herb Kenwith Jeremy Tarcher and Shari Lewis January 31, 1969 (1969-01-31) 73
Strange, energy-based alien life forms threaten the Memory Alpha station and the Enterprise crew.[3]
74 19 "Requiem for Methuselah" 5843.7 Murray Golden Jerome Bixby February 14, 1969 (1969-02-14) 76
The crew of the Enterprise encounters an immortal human who lives as a recluse on his own planet.[3]
75 20 "The Way to Eden" 5832.3 David Alexander Story by : Michael Richards[b] and Arthur Heinemann
Teleplay by : Arthur Heinemann
February 21, 1969 (1969-02-21) 75
The Enterprise is hijacked by a criminal doctor and his loyal, hippie-like followers who are attempting to find paradise.[3]
76 21 "The Cloud Minders" 5818.4 Jud Taylor Story by : David Gerrold and Oliver Crawford
Teleplay by : Margaret Armen
February 28, 1969 (1969-02-28) 74
Kirk races against time to acquire plague-fighting minerals from a world in the midst of a civil uprising.[3]
77 22 "The Savage Curtain" 5906.4 Herschel Daugherty Story by : Gene Roddenberry
Teleplay by : Arthur Heinemann and Gene Roddenberry
March 7, 1969 (1969-03-07) 77
Aliens force Kirk and Spock to battle illusionary villains in a test of good versus evil.[3]
78 23 "All Our Yesterdays" 5943.7 Marvin Chomsky Jean Lisette Aroeste March 14, 1969 (1969-03-14) 78
Kirk, Spock, and McCoy are trapped in the past on a world threatened by a nova.[3]
79 24 "Turnabout Intruder" 5928.5 Herb Wallerstein Story by : Gene Roddenberry
Teleplay by : Arthur Singer
June 3, 1969 (1969-06-03) 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.[3]
  1. ^ a b c d Lee Cronin is a pseudonym for Gene L. Coon.
  2. ^ a b Michael Richards is a pseudonym for D. C. Fontana.

Home releaseEdit

The season was released on DVD and Blu-ray by Paramount Home Entertainment.


  1. ^ Trimble, Bjo (1976). Star Trek Concordance. New York: Ballantine Books. pp. 12–13. ISBN 0-345-25137-7. 
  2. ^ Trimble, Bjo (1976). Star Trek Concordance. New York: Ballantine Books. pp. 37–89. ISBN 0-345-25137-7. 
  3. ^ a b c d e f g h i j k l m n o p q r s t u v w x "Star Trek: Episodes (Season 3)". Archived from the original on 2009-06-09. Retrieved 2009-06-04.