9.2/106,936 votesLoading...#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
9.0/105,422 votesLoading...#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
8.8/106,012 votesLoading...#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
8.7/105,698 votesLoading...#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
8.7/105,195 votesLoading...#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
8.6/105,011 votesLoading...#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
8.6/104,773 votesLoading...#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
8.5/104,266 votesLoading...#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
8.4/104,111 votesLoading...#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
8.3/104,560 votesLoading...#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
8.2/105,139 votesLoading...#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
8.1/104,923 votesLoading...#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
8.1/104,295 votesLoading...#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
8.1/103,582 votesLoading...#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
8.0/105,169 votesLoading...#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
8.0/104,422 votesLoading...#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
8.0/103,679 votesLoading...#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
8.0/103,608 votesLoading...#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
7.9/104,776 votesLoading...#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
7.9/104,557 votesLoading...#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
7.8/105,483 votesLoading...#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
7.8/104,297 votesLoading...#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
7.7/106,749 votesLoading...#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
7.7/104,046 votesLoading...#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
7.7/103,544 votesLoading...#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
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 6936 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".