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The Best Episodes of Star Trek Season 1

Every episode of Star Trek Season 1 ranked from best to worst. Discover the Best Episodes of Star Trek Season 1!

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Space. The Final Frontier. The U.S.S. Enterprise embarks on a five year mission to explore the galaxy. The Enterprise is under the command of Captain James T. Kirk with First Officer Mr. Spock, from the

Airs on

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Episode Rankings

  1. #1 Fan Favorite
    Star Trek Season 1 Episode 1 - The Man Trap
    7.2/10(6751 votes)

    #1 - The Man Trap

    S1:E1

    Doctor Leonard “Bones” McCoy meets a former girlfriend when the enterprise brings supplies to a remote archaeological survey group. Still attractive to McCoy, the woman's current appearance hides a dark and deadly secret.

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  2. Star Trek Season 1 Episode 2 - Charlie X
    7.0/10(6301 votes)

    #2 - Charlie X

    S1:E2

    Raised from boyhood by non-corporeal beings, 17 year old Charles Evans is picked up and transferred to the Enterprise. On board the ship, the teenager proves dangerously unable to wield his enormous psionic powers with maturity.

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  3. Star Trek Season 1 Episode 3 - Where No Man Has Gone Before
    7.7/10(7253 votes)

    #3 - Where No Man Has Gone Before

    S1:E3

    When Enterprise encounters a Force Field at the edge of the Galaxy, one of the crew members psionic abilities are accelerated to God like proportions causing him to become a powerful murderous being.

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  4. Star Trek Season 1 Episode 4 - The Naked Time
    7.8/10(5923 votes)

    #4 - The Naked Time

    S1:E4

    An alien virus strips the enterprise crew of their inhibitions, causing chaos as each crew member is overcome by hidden emotions. Meanwhile, the Enterprise is being pulled inexorably into a nearby planet's gravity well.

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  5. Star Trek Season 1 Episode 5 - The Enemy Within
    7.6/10(5619 votes)

    #5 - The Enemy Within

    S1:E5

    Split by a transporter malfunction into two beings with very different personalities, the resulting twin Captain Kirk proves that neither a purely evil nor a sweetly good captain can survive without the missing half.

    Director:Leo Penn

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  6. Star Trek Season 1 Episode 6 - Mudd's Women
    6.7/10(5507 votes)

    #6 - Mudd's Women

    S1:E6

    Rescuing the crew of a ship from an asteroid belt, the Enterprise plays host to conman extraordinaire, the cunning Harry Mudd and his cargo: three beautiful women looking for suitors.

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  8. Star Trek Season 1 Episode 7 - What Are Little Girls Made Of?
    7.5/10(5331 votes)

    #7 - What Are Little Girls Made Of?

    S1:E7

    Helping nurse Christine Chapel search for her fiancé, the Enterprise finds a detached Dr. Korby working on a plan to create Android duplicates of key figures, beginning with James Kirk.

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  9. Star Trek Season 1 Episode 8 - Miri
    6.9/10(5164 votes)

    #8 - Miri

    S1:E8

    On a planet populated by children whose aging process has been slowed artificially. Kirk’s landing party members contract a virus that kills adults. Despite their violent attacks, Kirk is determined to help the children.

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  10. Star Trek Season 1 Episode 9 - Dagger of the Mind
    7.4/10(5005 votes)

    #9 - Dagger of the Mind

    S1:E9

    When a wild eyed maniac escaping from the Tantalus Penal Colony turns out to be one of the psychiatric staff, Kirk investigates the institution and discovers a chilling exercise in mind control.

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  11. Star Trek Season 1 Episode 10 - The Corbomite Maneuver
    8.0/10(5624 votes)

    #10 - The Corbomite Maneuver

    S1:E10

    Threatened by the sinister captain of a powerful alien vessel, Kirk claims that the Enterprise carries a powerful explosive which will destroy both ships. The move produces unexpected actions from the alien adversary.

    Writer:Jerry Sohl

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  12. Star Trek Season 1 Episode 11 - The Menagerie (1)
    8.2/10(5589 votes)

    #11 - The Menagerie (1)

    S1:E11

    Apparently summoned to Star Base 11, Kirk, Spock and McCoy visit a former Enterprise Commander, the paralyzed and horribly disfigured Christopher Pike. Uncharacteristically, Spock commandeers the Enterprise, then turns himself in for court martial.

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  13. Star Trek Season 1 Episode 12 - The Menagerie (2)
    8.1/10(5343 votes)

    #12 - The Menagerie (2)

    S1:E12

    Spock's court martial reveals the actions of Captain Pike on his previous visit to Talos IV, where the powerful Talosians tried to persuade Pike to breed with women provided for the purpose.

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  14. Star Trek Season 1 Episode 13 - The Conscience of the King
    7.1/10(4849 votes)

    #13 - The Conscience of the King

    S1:E13

    Contacted by one of the other two witnesses to the crimes of mass murderer “Kodos the Executioner,” Kirk is persuaded that the criminal may be disguising himself as an actor in a traveling theatrical troupe.

    Director:Gerd Oswald

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  15. Star Trek Season 1 Episode 14 - Balance of Terror
    8.8/10(6511 votes)

    #14 - Balance of Terror

    S1:E14

    Despite the earlier Romulan war, the Romulans have never been seen in person. The Enterprise, in pursuit of a Romulan aggressor, makes a discovery that causes suspicion about a senior crew member.

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  16. Star Trek Season 1 Episode 15 - Shore Leave
    7.3/10(5076 votes)

    #15 - Shore Leave

    S1:E15

    When McCoy sees the White Rabbit from Alice in Wonderland, the crew begins to realize that the planet they are visiting seems to have the dangerous power to turn any thought into reality.

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  17. Star Trek Season 1 Episode 16 - The Galileo Seven
    7.6/10(4884 votes)

    #16 - The Galileo Seven

    S1:E16

    Crash landing on a planet populated by hostile giants, the 7-man crew of the shuttlecraft Galileo find themselves unable to communicate with the enterprise or to escape the planet's atmosphere.

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  18. Star Trek Season 1 Episode 17 - The Squire of Gothos
    7.2/10(4786 votes)

    #17 - The Squire of Gothos

    S1:E17

    Encountering an uncharted planet in an empty region of space, Kirk and his crew are entertained by Trelane, a playful being who lacks the self-control to wield his great psionic powers with discipline.

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  19. Star Trek Season 1 Episode 18 - Arena
    7.9/10(5199 votes)

    #18 - Arena

    S1:E18

    With both their ships held captive by powerful beings, Kirk and the captain of the alien vessel are placed on an asteroid to fight for their lives and the lives of their crews.

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  20. Star Trek Season 1 Episode 19 - Tomorrow Is Yesterday
    7.9/10(4961 votes)

    #19 - Tomorrow Is Yesterday

    S1:E19

    In a freak accident the Enterprise is sent back to 20th century Earth, and must find their way back without changing history.

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  21. Star Trek Season 1 Episode 20 - Court Martial
    7.4/10(4586 votes)

    #20 - Court Martial

    S1:E20

    Captain Kirk's career is at stake when he is put on trial for the loss of a crewman during an ion storm.

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  22. Star Trek Season 1 Episode 21 - The Return of the Archons
    7.1/10(4448 votes)

    #21 - The Return of the Archons

    S1:E21

    The Enterprise encounters a seemingly peaceful civilization run by a "benevolent" being named Landru... who intends for them to join his people.

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  23. Star Trek Season 1 Episode 22 - Space Seed
    8.7/10(6195 votes)

    #22 - Space Seed

    S1:E22

    The Enterprise picks up a crew of genetic supermen from the 20th century... and their leader, Khan, plans to create a new empire.

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  24. Star Trek Season 1 Episode 23 - A Taste of Armageddon
    8.0/10(4808 votes)

    #23 - A Taste of Armageddon

    S1:E23

    The Enterprise arrives at a planet to establish diplomatic relations and finds itself in the middle of a "peaceful" war that threatens to destroy the ship.

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  25. Star Trek Season 1 Episode 24 - This Side of Paradise
    7.8/10(4665 votes)

    #24 - This Side of Paradise

    S1:E24

    The Enterprise crew try to rescue colonists from deadly radiation, but instead encounter strange alien spores that seem to offer paradise.

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  26. Star Trek Season 1 Episode 25 - The Devil in the Dark
    8.3/10(4960 votes)

    #25 - The Devil in the Dark

    S1:E25

    Kirk investigates a series of grisly murders on a mining planet that are the work of a seemingly hostile alien creature.

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Season 1 Ratings Summary

"The Man Trap" is the best rated episode of "Star Trek" season 1. It scored 7.2/10 based on 6751 votes. Directed by Marc Daniels and written by George Clayton Johnson, it aired on 9/8/1966. This episode is rated 0.2 points higher than the second-best, "Charlie X".