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The Best Episodes of Star Trek

Every episode of Star Trek ranked from best to worst. Let's dive into the Best Episodes of Star Trek!

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

Best Episodes Summary

"The City on the Edge of Forever" is the best rated episode of "Star Trek". It scored 9.2/10 based on 6881 votes. Directed by Joseph Pevney and written by D.C. Fontana, Harlan Ellison, it aired on 4/6/1967. This episode scored 0.2 points higher than the second highest rated, "Mirror, Mirror".

  • The City on the Edge of Forever
    9.2/106,881 votes
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    #1 - The City on the Edge of Forever

    Season 1 Episode 28 - Aired 4/6/1967

    Kirk and Spock must travel into the past in order to correct a change that will alter history.

    Director: Joseph Pevney

    Writer: D.C. Fontana, Harlan Ellison

  • Mirror, Mirror
    9.0/105,386 votes
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    #2 - Mirror, Mirror

    Season 2 Episode 4 - Aired 10/6/1967

    A transporter mishap swaps Captain Kirk and his companions with their evil counterparts in a parallel universe. In the so-called Mirror Universe, the Enterprise is a ship of the Terran Empire, an organization as evil as the United Federation of Planets is benevolent.

    Director: Marc Daniels

    Writer: Jerome Bixby

  • Balance of Terror
    8.8/105,961 votes
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    #3 - 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

  • Space Seed
    8.7/105,651 votes
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    #4 - 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

  • The Trouble With Tribbles
    8.7/105,158 votes
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    #5 - The Trouble With Tribbles

    Season 2 Episode 15 - Aired 12/29/1967

    The Enterprise must protect a very important shipment of grain from both Klingons and some adorable creatures called tribbles.

    Director: Joseph Pevney

    Writer: David Gerrold

  • Amok Time
    8.6/104,973 votes
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    #6 - Amok Time

    Season 2 Episode 1 - Aired 9/15/1967

    First Officer Spock returns to his home world for a brutal Vulcan mating ritual.

    Director: Joseph Pevney

    Writer: Theodore Sturgeon

  • The Doomsday Machine
    8.6/104,736 votes
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    #7 - The Doomsday Machine

    Season 2 Episode 6 - Aired 10/20/1967

    The starship Enterprise and its heavily-damaged sister ship, the USS Constellation, must work together to stop an alien planet-killing machine headed for the heart of Federation territory.

    Director: Marc Daniels

    Writer: Norman Spinrad

  • Journey to Babel
    8.5/104,230 votes
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    #8 - Journey to Babel

    Season 2 Episode 10 - Aired 11/17/1967

    The Enterprise must transport dignitaries to a peace conference, with an assassin on the loose.

    Director: Joseph Pevney

    Writer: D.C. Fontana

  • The Enterprise Incident
    8.4/104,073 votes
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    #9 - The Enterprise Incident

    Season 3 Episode 2 - Aired 9/27/1968

    The crew of the Enterprise are on a secret mission to steal a Romulan cloaking device.

    Director: John Meredyth Lucas

    Writer: D.C. Fontana

  • The Devil in the Dark
    8.3/104,518 votes
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    #10 - 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

  • The Menagerie (1)
    8.2/105,090 votes
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    #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)
    8.1/104,878 votes
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    #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

  • Errand of Mercy
    8.1/104,253 votes
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    #13 - Errand of Mercy

    Season 1 Episode 26 - Aired 3/23/1967

    The Federation and the Klingon Empire teeter on the brink of war as Kirk investigates Organia, a humble planet, inhabited by pacifists, that is unwittingly caught in the middle.

    Director: John Newland

    Writer: Gene L. Coon

  • All Our Yesterdays
    8.1/103,548 votes
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    #14 - All Our Yesterdays

    Season 3 Episode 23 - Aired 3/14/1969

    Kirk, Spock and McCoy are trapped in two parts of another planet's past - a world threatened with destruction when its sun goes supernova.

    Director: Marvin J. Chomsky

    Writer: Jean Lisette Aroeste

  • The Corbomite Maneuver
    8.0/105,126 votes
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    #15 - 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

  • A Taste of Armageddon
    8.0/104,385 votes
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    #16 - 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

  • The Ultimate Computer
    8.0/103,645 votes
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    #17 - The Ultimate Computer

    Season 2 Episode 24 - Aired 3/8/1968

    A skeleton Enterprise crew are assigned to test a revolutionary computer system that is given total control of the ship.

    Director: John Meredyth Lucas

    Writer: D.C. Fontana, Laurence N. Wolfe

  • The Tholian Web
    8.0/103,579 votes
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    #18 - The Tholian Web

    Season 3 Episode 9 - Aired 11/15/1968

    Captain Kirk is caught between dimensions while the crew of the Enterprise works to retrieve him. All the while, the Tholians demand that the Enterprise leave their space.

    Director: Ralph Senensky, Herb Wallerstein

    Writer: Judy Burns, Chet Richards

  • Arena
    7.9/104,726 votes
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    #19 - 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
    7.9/104,511 votes
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    #20 - 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

  • The Naked Time
    7.8/105,443 votes
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    #21 - 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

  • This Side of Paradise
    7.8/104,256 votes
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    #22 - 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

  • Where No Man Has Gone Before
    7.7/106,704 votes
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    #23 - 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

  • A Piece of the Action
    7.7/104,004 votes
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    #24 - A Piece of the Action

    Season 2 Episode 17 - Aired 1/12/1968

    The Enterprise visits a planet with an Earth-like 1920s gangster culture.

    Director: James Komack

    Writer: Gene L. Coon, David P. Harmon

  • Day of the Dove
    7.7/103,522 votes
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    #25 - Day of the Dove

    Season 3 Episode 7 - Aired 11/1/1968

    An alien force drives the crew of the Enterprise into brutal conflict with the Klingons.

    Director: Marvin J. Chomsky

    Writer: Jerome Bixby