7.2/106,195 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
7.0/105,776 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
7.7/106,720 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
7.8/105,458 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
7.6/105,174 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
6.7/105,039 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
7.5/104,882 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
6.9/104,708 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
7.4/104,577 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
8.0/105,142 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
8.2/105,104 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
8.1/104,893 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
7.1/104,438 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
8.8/105,980 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
7.4/104,663 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
7.6/104,472 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
7.2/104,375 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
7.9/104,748 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
7.9/104,531 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
7.4/104,190 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
7.1/104,073 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
8.7/105,671 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
8.0/104,405 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
7.8/104,279 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
8.3/104,535 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
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 6195 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".