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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...
Genres:Sci-Fi & FantasyDrama
Network:NBC

Season 1 Ratings Summary

"The Man Trap" is the best rated episode of "Star Trek" season 1. It scored 7.2/10 based on 6218 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".

  • The Man Trap
    7.2/106,218 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
    7.0/105,798 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
    7.7/106,747 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
    7.8/105,478 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
    7.6/105,191 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
    6.7/105,058 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?
    7.5/104,905 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
    6.9/104,729 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
    7.4/104,598 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
    8.0/105,167 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)
    8.2/105,136 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)
    8.1/104,919 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
    7.1/104,457 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
    8.8/106,006 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
    7.3/104,679 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
    7.6/104,490 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
    7.2/104,390 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
    7.9/104,770 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
    7.9/104,552 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
    7.4/104,208 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
    7.1/104,088 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
    8.7/105,692 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
    8.0/104,420 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: Gene L. Coon, Robert Hamner

  • This Side of Paradise
    7.8/104,297 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: D.C. Fontana, Jerry Sohl

  • The Devil in the Dark
    8.3/104,559 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