The BEST episodes of Star Trek
Every episode of Star Trek ever, ranked from best to worst by thousands of votes from fans of the show. 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 James T. Kirk, who is assisted by First Officer Mr. Spock, from the planet Vulcan, and Chief Medical Officer Dr. Leonard 'Bones' McCoy. With a determined crew, the Enterprise encounters Klingons, Romulans, time paradoxes, tribbles and genetic supermen led by Khan Noonien Singh. Their mission: to explore strange new worlds, to seek new life and new civilizations, to boldly go where no man has gone before.
#1 - Balance of Terror
Season 1 - Episode 14 - Aired 12/15/1966
Kirk pits the Enterprise against an invisible spaceship testing the Federation's defenses.
#2 - 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.
#3 - 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.
#4 - The Trouble with Tribbles
Season 2 - Episode 15 - Aired 12/29/1967
Kirk must defuse a Klingon scheme to destroy a grain shipment... and cope with a seemingly benign creature known as a tribble, which reproduces at amazing speed.
#5 - Amok Time
Season 2 - Episode 1 - Aired 9/15/1967
Spock must go to Vulcan in order to perform the Vulcan mating ritual.
#6 - Tomorrow is Yesterday
Season 1 - Episode 19 - Aired 1/26/1967
The Enterprise collides with a black hole and is thrown back to Earth in the 20th century, where they must find a way back and erase any trace of their presence. Matters become complicated when they rescue an Air Force pilot and cannot return him without changing history... but if he disappears that will change history as well.
#7 - This Side of Paradise
Season 1 - Episode 24 - Aired 3/2/1967
The Enterprise crew is trapped in paradise when they come to rescue colonists who have fallen to pacifying alien spores and become infected themselves.
#8 - Assignment: Earth
Season 2 - Episode 26 - Aired 3/29/1968
The Enterprise is sent on a mission back to Earth in the year 1968, where the crew encounters the mysterious Gary Seven, who claims to have been sent by advanced beings to save the planet.
#9 - The Ultimate Computer
Season 2 - Episode 24 - Aired 3/8/1968
The Enterprise is used to test a new super-sophisticated computer, but it soon develops a mind of its own.
#10 - Mirror, Mirror
Season 2 - Episode 4 - Aired 10/6/1967
Kirk and three of his officers are accidentally transported into a parallel "mirror" universe where violence, greed, and evil are commonplace.
#11 - The Paradise Syndrome
Season 3 - Episode 3 - Aired 10/4/1968
Spock and the Enterprise crew race to destroy an asteroid threatening a primitive world where an amnesiac Kirk is proclaimed a god by its indigenous people.
#12 - 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.
#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.
#14 - 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.
#15 - 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.
#16 - 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.
#17 - 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.
#18 - Journey to Babel
Season 2 - Episode 10 - Aired 11/17/1967
Spock meets his estranged father when the Enterprise escorts a group of ambassadors to a conference on the planet Babel.
#19 - 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.
#20 - The Enterprise Incident
Season 3 - Episode 2 - Aired 9/27/1968
An unusually tense and irritable Kirk orders his ship into the Romulan Neutral Zone, where it is promptly surrounded. Beamed to a Romulan ship, Kirk lies about the intrusion, then attacks Spock, who responds with a Vulcan death grip. While the female Romulan commander courts Spock, a secret mission unfolds.
#21 - All Our Yesterdays
Season 3 - Episode 23 - Aired 3/14/1969
Kirk, Spock, and McCoy become trapped in the past of another world.
#22 - 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 two crewmen godlike powers.
#23 - The Changeling
Season 2 - Episode 3 - Aired 9/29/1967
The Enterprise encounters an ancient Earth probe bent on the sterilization of all life.
#24 - The Doomsday Machine
Season 2 - Episode 6 - Aired 10/20/1967
The Enterprise must stop an ancient doomsday weapon that is capable of destroying entire worlds... and has already totalled one Constellation-class cruiser.
#25 - 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.