The Best Episodes of Star Trek

Episode Rankings

1. #1 Fan Favorite
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   9.2/10(7472 votes)

   #1 - The City on the Edge of Forever

   S1:E284/6/1967

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

   Director:Joseph Pevney

   Writers:D.C. Fontana, Harlan Ellison

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   Director:Joseph Pevney

   Writers:D.C. Fontana, Harlan Ellison
2. 

   9.0/10(5839 votes)

   #2 - Mirror, Mirror

   S2:E410/6/1967

   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

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   Director:Marc Daniels

   Writer:Jerome Bixby
3. 

   8.8/10(6491 votes)

   #3 - Balance of Terror

   S1:E1412/15/1966

   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.

   Director:Vincent McEveety

   Writer:Paul Schneider

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   Director:Vincent McEveety

   Writer:Paul Schneider
4. 

   8.7/10(6170 votes)

   #4 - Space Seed

   S1:E222/16/1967

   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

   Writers:Gene L. Coon, Carey Wilber

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   Director:Marc Daniels

   Writers:Gene L. Coon, Carey Wilber
5. 

   8.7/10(5171 votes)

   #5 - The Doomsday Machine

   S2:E610/20/1967

   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

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   Director:Marc Daniels

   Writer:Norman Spinrad
6. 

   8.7/10(5599 votes)

   #6 - The Trouble With Tribbles

   S2:E1512/29/1967

   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

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   Director:Joseph Pevney

   Writer:David Gerrold
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7. 

   8.6/10(5429 votes)

   #7 - Amok Time

   S2:E19/15/1967

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

   Director:Joseph Pevney

   Writer:Theodore Sturgeon

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   Director:Joseph Pevney

   Writer:Theodore Sturgeon
8. 

   8.5/10(4614 votes)

   #8 - Journey to Babel

   S2:E1011/17/1967

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

   Director:Joseph Pevney

   Writer:D.C. Fontana

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   Director:Joseph Pevney

   Writer:D.C. Fontana
9. 

   8.4/10(4456 votes)

   #9 - The Enterprise Incident

   S3:E29/27/1968

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

   Director:John Meredyth Lucas

   Writer:D.C. Fontana

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   Director:John Meredyth Lucas

   Writer:D.C. Fontana
10. 

    8.3/10(4940 votes)

    #10 - The Devil in the Dark

    S1:E253/9/1967

    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

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    Director:Joseph Pevney

    Writer:Gene L. Coon
11. 

    8.2/10(5574 votes)

    #11 - The Menagerie (1)

    S1:E1111/17/1966

    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.

    Directors:Marc Daniels, Robert Butler

    Writer:Gene Roddenberry

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    Directors:Marc Daniels, Robert Butler

    Writer:Gene Roddenberry
12. 

    8.1/10(5331 votes)

    #12 - The Menagerie (2)

    S1:E1211/24/1966

    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.

    Directors:Marc Daniels, Robert Butler

    Writer:Gene Roddenberry

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    Directors:Marc Daniels, Robert Butler

    Writer:Gene Roddenberry
13. 

    8.1/10(4650 votes)

    #13 - Errand of Mercy

    S1:E263/23/1967

    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

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    Director:John Newland

    Writer:Gene L. Coon
14. 

    8.1/10(3900 votes)

    #14 - All Our Yesterdays

    S3:E233/14/1969

    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

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    Director:Marvin J. Chomsky

    Writer:Jean Lisette Aroeste
15. 

    8.0/10(5606 votes)

    #15 - The Corbomite Maneuver

    S1:E1011/10/1966

    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.

    Director:Joseph Sargent

    Writer:Jerry Sohl

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    Director:Joseph Sargent

    Writer:Jerry Sohl
16. 

    8.0/10(4792 votes)

    #16 - A Taste of Armageddon

    S1:E232/23/1967

    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

    Writers:Gene L. Coon, Robert Hamner

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    Director:Joseph Pevney

    Writers:Gene L. Coon, Robert Hamner
17. 

    8.0/10(3991 votes)

    #17 - The Ultimate Computer

    S2:E243/8/1968

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

    Director:John Meredyth Lucas

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

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    Director:John Meredyth Lucas

    Writers:D.C. Fontana, Laurence N. Wolfe
18. 

    8.0/10(3915 votes)

    #18 - The Tholian Web

    S3:E911/15/1968

    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.

    Directors:Ralph Senensky, Herb Wallerstein

    Writers:Judy Burns, Chet Richards

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    Directors:Ralph Senensky, Herb Wallerstein

    Writers:Judy Burns, Chet Richards
19. 

    7.9/10(5183 votes)

    #19 - Arena

    S1:E181/19/1967

    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.

    Director:Joseph Pevney

    Writers:Gene L. Coon, Fredric Brown

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    Director:Joseph Pevney

    Writers:Gene L. Coon, Fredric Brown
20. 

    7.9/10(4945 votes)

    #20 - Tomorrow Is Yesterday

    S1:E191/26/1967

    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

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    Director:Michael O'Herlihy

    Writer:D.C. Fontana
21. 

    7.8/10(5901 votes)

    #21 - The Naked Time

    S1:E49/29/1966

    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.

    Director:Marc Daniels

    Writer:John D. F. Black

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    Director:Marc Daniels

    Writer:John D. F. Black
22. 

    7.8/10(4646 votes)

    #22 - This Side of Paradise

    S1:E243/2/1967

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

    Director:Ralph Senensky

    Writers:D.C. Fontana, Jerry Sohl

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    Director:Ralph Senensky

    Writers:D.C. Fontana, Jerry Sohl
23. 

    7.7/10(7229 votes)

    #23 - Where No Man Has Gone Before

    S1:E39/22/1966

    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.

    Director:James Goldstone

    Writer:Samuel A. Peeples

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    Director:James Goldstone

    Writer:Samuel A. Peeples
24. 

    7.7/10(4380 votes)

    #24 - A Piece of the Action

    S2:E171/12/1968

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

    Director:James Komack

    Writers:Gene L. Coon, David P. Harmon

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    Director:James Komack

    Writers:Gene L. Coon, David P. Harmon
25. 

    7.7/10(3832 votes)

    #25 - Day of the Dove

    S3:E711/1/1968

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

    Director:Marvin J. Chomsky

    Writer:Jerome Bixby

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    Director:Marvin J. Chomsky

    Writer:Jerome Bixby