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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!

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 planet Vulcan. With a determined crew, the Enterprise encounters Klingons, Romulans, time paradoxes, tribbles and genetic supermen led by Khan Noonian Singh. Their mission is to explore strange new worlds, to seek new life and new civilizations, and to boldly go where no man has gone before.

Genres:Sci-Fi & FantasyDrama
Network:NBC

Season 1 Ratings Summary

The best episode of "Star Trek" season 1 is "The Man Trap", rated 7.2/10 from 6125 user votes. It was directed by Marc Daniels and written by George Clayton Johnson. "The Man Trap" aired on 9/8/1966 and is rated 0.2 point(s) higher than the second highest rated, "Charlie X".

  • The Man Trap
    7.2/10 6,125 votes

    #1 - The Man Trap

    Season 1 Episode 1 - Aired 9/8/1966

    Kirk and his crew are at deadly risk from an alien creature that feeds on the salt in a human body and can take on any form.

    Director: Marc Daniels

    Writer: George Clayton Johnson

  • Charlie X
    7.0/10 5,709 votes

    #2 - Charlie X

    Season 1 Episode 2 - Aired 9/15/1966

    Charlie Evans, the sole survivor of a transport crash, is transferred to the Enterprise from a different ship. Why are they so eager to rid themselves of him, though? There's more to Charlie than meets the eye...

    Director: Lawrence Dobkin

    Writer: Gene Roddenberry, D.C. Fontana

  • Where No Man Has Gone Before
    7.7/10 6,649 votes

    #3 - Where No Man Has Gone Before

    Season 1 Episode 3 - Aired 9/22/1966

    While exploring the edge of the galaxy, the Enterprise encounters an energy barrier that gives some crewmen strange powers.

    Director: James Goldstone

    Writer: Samuel A. Peeples

  • The Naked Time
    7.8/10 5,396 votes

    #4 - The Naked Time

    Season 1 Episode 4 - Aired 9/29/1966

    A strange alien substance causes the crew to lose their inhibitions.

    Director: Marc Daniels

    Writer: John D. F. Black

  • The Enemy Within
    7.6/10 5,108 votes

    #5 - The Enemy Within

    Season 1 Episode 5 - Aired 10/6/1966

    A transporter malfunction causes Captain Kirk to split into his "good" and "evil" selves, and a landing party will freeze to death if they don't merge the two back together.

    Director: Leo Penn

    Writer: Richard Matheson

  • Mudd's Women
    6.7/10 4,976 votes

    #6 - Mudd's Women

    Season 1 Episode 6 - Aired 10/13/1966

    The Enterprise picks up a intergalactic conman, Harry Mudd, and three incredibly beautiful women who harbor a dark secret.

    Director: Harvey Hart

    Writer: Gene Roddenberry, Stephen Kandel

  • What Are Little Girls Made Of?
    7.5/10 4,809 votes

    #7 - What Are Little Girls Made Of?

    Season 1 Episode 7 - Aired 10/20/1966

    Nurse Christine Chapel is reunited with her old fiance on Exo III, but the scientist has plans for Captain Kirk and the Federation.

    Director: James Goldstone

    Writer: Robert Bloch

  • Miri
    6.9/10 4,645 votes

    #8 - Miri

    Season 1 Episode 8 - Aired 10/27/1966

    Kirk and a landing party are stranded on a planet due to a disease that causes any adult to die a painful death, and must deal with the local children who have survived.

    Director: Vincent McEveety

    Writer: Adrian Spies

  • Dagger of the Mind
    7.4/10 4,516 votes

    #9 - Dagger of the Mind

    Season 1 Episode 9 - Aired 11/3/1966

    Kirk investigates an experimental facility for holding prisoners and finds a sinister scheme.

    Director: Vincent McEveety

    Writer: Shimon Wincelberg

  • The Corbomite Maneuver
    8.0/10 5,073 votes

    #10 - The Corbomite Maneuver

    Season 1 Episode 10 - Aired 11/10/1966

    The Enterprise encounters a vast alien ship that threatens the Enterprise with destruction.

    Director: Joseph Sargent

    Writer: Jerry Sohl

  • The Menagerie (1)
    8.2/10 5,043 votes

    #11 - The Menagerie (1)

    Season 1 Episode 11 - Aired 11/17/1966

    Spock kidnaps his former captain, the crippled Christopher Pike, and heads for a quarantined planet, putting his career and Kirk's life on the line.

    Director: Marc Daniels, Robert Butler

    Writer: Gene Roddenberry

  • The Menagerie (2)
    8.1/10 4,832 votes

    #12 - The Menagerie (2)

    Season 1 Episode 12 - Aired 11/24/1966

    Spock's court-martial continues as he attempts to justify his abduction of Pike, the theft of the Enterprise, and his heading for a planet declared forbidden by Starfleet.

    Director: Marc Daniels, Robert Butler

    Writer: Gene Roddenberry

  • The Conscience of the King
    7.1/10 4,381 votes

    #13 - The Conscience of the King

    Season 1 Episode 13 - Aired 12/8/1966

    Kirk is one of the last survivors who can identify a mass killer, who lurks among a Shakespearean troupe aboard the Enterprise.

    Director: Gerd Oswald

    Writer: Barry Trivers

  • Balance of Terror
    8.8/10 5,900 votes

    #14 - Balance of Terror

    Season 1 Episode 14 - Aired 12/15/1966

    Kirk pits the Enterprise against an invisible spaceship testing the Federation's defenses.

    Director: Vincent McEveety

    Writer: Paul Schneider

  • Shore Leave
    7.4/10 4,598 votes

    #15 - Shore Leave

    Season 1 Episode 15 - Aired 12/29/1966

    The Enterprise crew take shore leave on a peaceful, pastoral planet... where their dreams and fantasies come to life.

    Director: Robert Sparr

    Writer: Theodore Sturgeon

  • The Galileo Seven
    7.6/10 4,411 votes

    #16 - The Galileo Seven

    Season 1 Episode 16 - Aired 1/5/1967

    Spock commands a stranded away team when their shuttlecraft is stranded on a planet with hostile natives.

    Director: Robert Gist

    Writer: Shimon Wincelberg, Oliver Crawford

  • The Squire of Gothos
    7.2/10 4,313 votes

    #17 - The Squire of Gothos

    Season 1 Episode 17 - Aired 1/12/1967

    The Enterprise finds itself at the mercy of a seemingly omnipotent being who fancies himself an 18th century Englishman.

    Director: Donnie McDougall

    Writer: Paul Schneider

  • Arena
    7.9/10 4,679 votes

    #18 - Arena

    Season 1 Episode 18 - Aired 1/19/1967

    When a mysterious alien race destroy an Earth colony, the Enterprise pursues, but Kirk and the alien captain are forced to fight each other by powerful aliens.

    Director: Joseph Pevney

    Writer: Fredric Brown, Gene L. Coon

  • Tomorrow Is Yesterday
    7.9/10 4,466 votes

    #19 - Tomorrow Is Yesterday

    Season 1 Episode 19 - Aired 1/26/1967

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

    Director: Michael O'Herlihy

    Writer: D.C. Fontana

  • Court Martial
    7.4/10 4,125 votes

    #20 - Court Martial

    Season 1 Episode 20 - Aired 2/2/1967

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

    Director: Marc Daniels

    Writer: Don Mankiewicz, Steven W. Carabatsos

  • The Return of the Archons
    7.1/10 4,013 votes

    #21 - The Return of the Archons

    Season 1 Episode 21 - Aired 2/9/1967

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

    Director: Joseph Pevney

    Writer: Gene Roddenberry, Boris Sobelman

  • Space Seed
    8.7/10 5,592 votes

    #22 - Space Seed

    Season 1 Episode 22 - Aired 2/16/1967

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

    Director: Marc Daniels

    Writer: Gene L. Coon, Carey Wilber

  • A Taste of Armageddon
    8.0/10 4,337 votes

    #23 - A Taste of Armageddon

    Season 1 Episode 23 - Aired 2/23/1967

    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.

    Director: Joseph Pevney

    Writer: Robert Hamner, Gene L. Coon

  • This Side of Paradise
    7.8/10 4,209 votes

    #24 - This Side of Paradise

    Season 1 Episode 24 - Aired 3/2/1967

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

    Director: Ralph Senensky

    Writer: Jerry Sohl, D.C. Fontana

  • The Devil in the Dark
    8.3/10 4,465 votes

    #25 - The Devil in the Dark

    Season 1 Episode 25 - Aired 3/9/1967

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

    Director: Joseph Pevney

    Writer: Gene L. Coon