The WORST episodes of Star Trek
Every episode of Star Trek ever, ranked from worst to best by thousands of votes from fans of the show. The worst 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 - The Empath
Season 3 - Episode 12 - Aired 12/6/1968
On a planet doomed to destruction, Kirk, Spock & McCoy become involved with two aliens who use them as laboratory animals in a bizarre series of tests on an alien empath who may be the savior of her planet.
#2 - Bread and Circuses
Season 2 - Episode 25 - Aired 3/15/1968
The Enterprise investigates the disappearance of a merchant ship crew on a planet ruled by a twentieth-century incarnation of ancient Rome.
#3 - And the Children Shall Lead
Season 3 - Episode 4 - Aired 10/11/1968
The Enterprise travels to a planet where the members of a scientific team appear to have killed themselves. Their orphaned children are brought back to the ship, where they begin exhibiting odd behavior.
#4 - The Immunity Syndrome
Season 2 - Episode 18 - Aired 1/19/1968
The Enterprise must destroy an enormous space amoeba before it reproduces and threatens known space.
#5 - Metamorphosis
Season 2 - Episode 9 - Aired 11/10/1967
When their shuttle is diverted to a planetoid, Kirk meets one of the pioneers of space flight, Zefram Cochrane.
#6 - The Alternative Factor
Season 1 - Episode 27 - Aired 3/30/1967
Kirk and Spock encounter an alien named Lazarus who claims to be from an anti-matter universe.
#7 - The Savage Curtain
Season 3 - Episode 22 - Aired 3/7/1969
Kirk and Spock meet Abraham Lincoln and Surak of Vulcan and must do battle with some of histories most terrible villians.
#8 - The Mark of Gideon
Season 3 - Episode 16 - Aired 1/17/1969
Kirk beams down on a diplomatic mission... and finds himself in an Enterprise where all the crew have vanished and only a mysterious woman resides.
#9 - Let That Be Your Last Battlefield
Season 3 - Episode 15 - Aired 1/10/1969
The Enterprise finds itself host to two alien beings from the same planet, who share an intense and self-destructive hatred of each other.
#10 - The Omega Glory
Season 2 - Episode 23 - Aired 3/1/1968
The Enterprise investigates the disappearance of another starship and discovers a planet where the inhabitants are immortal... and engaged in a strange parallel of Earth's Cold War period.
#11 - A Private Little War
Season 2 - Episode 19 - Aired 2/2/1968
Kirk becomes involved in an arms race when the Klingons equip a native people with superior weaponry.
#12 - The Apple
Season 2 - Episode 5 - Aired 10/13/1967
Kirk attempts to assist a primitive people that are ruled over by a computer named Vaal.
#13 - Wolf in the Fold
Season 2 - Episode 14 - Aired 12/22/1967
A serial killer stalks a planet... and Scotty is the prime suspect.
#14 - The Gamesters of Triskelion
Season 2 - Episode 16 - Aired 1/5/1968
Kirk, Chekov, and Uhura are kidnapped and forced to participate in a series of gladiatorial games.
#15 - Return to Tomorrow
Season 2 - Episode 20 - Aired 2/9/1968
The Enterprise discovers three discorporeal intelligences who seek their help in gaining physical bodies... but one of them has plans of his own.
#16 - Catspaw
Season 2 - Episode 7 - Aired 10/27/1967
When a landing party disappears and one man is beamed up dead, Kirk and Spock investigate and meet a pair of aliens who seem capable of performing magic.
#17 - Turnabout Intruder
Season 3 - Episode 24 - Aired 6/3/1969
The Enterprise is in danger when Janice Lester, one of Kirk's former lovers, steals his body.
#18 - The Lights of Zetar
Season 3 - Episode 18 - Aired 1/31/1969
The Enterprise must deal with discorporeal cloud-like corporeal aliens who have already destroyed the inhabitants of a library planet and plan to eliminate the Enterprise crew if they cannot acquire a human host.
#19 - By Any Other Name
Season 2 - Episode 22 - Aired 2/23/1968
The Enterprise's command crew must thwart an invasion by aliens from another galaxy who plan to conquer this one.
#21 - Spock's Brain
Season 3 - Episode 1 - Aired 9/20/1968
Kirk leads the Enterprise in pursuit of a mysterious alien woman after she beams aboard the bridge and steals Spock's brain.
#22 - Elaan of Troyius
Season 3 - Episode 13 - Aired 12/20/1968
The Enterprise must escort an alien princess to her marriage to seal an interplanetary alliance... but she becomes attracted to Kirk.
#23 - 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.
#24 - Patterns of Force
Season 2 - Episode 21 - Aired 2/16/1968
The Enterprise seek out a historical researcher and discover he has contaminated a culture, rendering it into a near-duplicate of Nazi Germany.
#25 - Is There in Truth No Beauty?
Season 3 - Episode 5 - Aired 10/18/1968
The Enterprise hosts an alien ambassador whose outward appearance induces madness in humanoids. When Spock is driven mad after an unfortunate oversight, only the ambassador's jealous telepathic companion can save his mind.