Best Star Trek Episodes (The Original Series)

View:
Log in to copy items to your own lists.
1.
Star Trek (1966 TV Series)
Episode: Balance of Terror (1966)
    1 2 3 4 5 6 7 8 9 10 9.0/10 X  
The Enterprise must decide on its response when a Romulan ship makes a destructively hostile armed probe of Federation territory. (50 mins.)
 
2.
Star Trek (1966 TV Series)
Episode: The Doomsday Machine (1967)
    1 2 3 4 5 6 7 8 9 10 8.8/10 X  
The USS Enterprise encounters the wrecked USS Constellation and its distraught captain who's determined to stop the giant planet-destroying robot ship that killed his crew. (50 mins.)
 
3.
Star Trek (1966 TV Series)
Episode: The Immunity Syndrome (1968)
    1 2 3 4 5 6 7 8 9 10 7.6/10 X  
The Enterprise encounters a gigantic energy draining space organism that threatens the galaxy. (50 mins.)
 
4.
Star Trek (1966 TV Series)
Episode: The Corbomite Maneuver (1966)
    1 2 3 4 5 6 7 8 9 10 8.2/10 X  
After the Enterprise is forced to destroy a dangerous marker buoy, a gigantic alien ship arrives to capture and condemn the crew as trespassers. (50 mins.)
 
5.
Star Trek (1966 TV Series)
Episode: The Devil in the Dark (1967)
    1 2 3 4 5 6 7 8 9 10 8.5/10 X  
The Enterprise is sent to a mining colony that is being terrorized by a mysterious monster. (50 mins.)
 
6.
Star Trek (1966 TV Series)
Episode: The Changeling (1967)
    1 2 3 4 5 6 7 8 9 10 7.8/10 X  
A powerful artificially intelligent Earth probe, with a murderously twisted imperative, comes aboard the Enterprise and confuses Capt. Kirk as his creator. (50 mins.)
 
7.
Star Trek (1966 TV Series)
Episode: The Ultimate Computer (1968)
    1 2 3 4 5 6 7 8 9 10 8.0/10 X  
Kirk and a sub-skeleton crew are ordered to test out an advanced artificially intelligent control system - the M-5 Multitronic system, which could potentially render them all redundant. Star fleet is very optimistic, but, Kirk fears - even in a testing situation - removing humans from the equation is a very dangerous position to be left in. A position of life or death. (50 mins.)
 
8.
Star Trek (1966 TV Series)
Episode: Spectre of the Gun (1968)
    1 2 3 4 5 6 7 8 9 10 7.4/10 X  
As punishment for ignoring their warning and trespassing on their planet, the Melkot condemn Capt. Kirk and his landing party to the losing side of a surreal recreation of the 1881 historic gunfight at the OK Corral. (50 mins.)
 
9.
Star Trek (1966 TV Series)
Episode: Metamorphosis (1967)
    1 2 3 4 5 6 7 8 9 10 7.4/10 X  
While returning to the Enterprise aboard the shuttlecraft, Kirk, Spock, McCoy and a seriously ill Federation diplomat find themselves kidnapped by an energized cloud. (50 mins.)
 
10.
Star Trek (1966 TV Series)
Episode: The Tholian Web (1968)
    1 2 3 4 5 6 7 8 9 10 8.1/10 X  
With Capt. Kirk and the derelict USS Defiant apparently lost, the Enterprise grapples with an insanity causing plague and an attack by the Tholians. (50 mins.)
 
11.
Star Trek (1966 TV Series)
    1 2 3 4 5 6 7 8 9 10 9.3/10 X  
When a temporarily insane Dr. McCoy accidentally changes history and destroys his time, Kirk and Spock follow him to prevent the disaster, but the price to do so is high. (50 mins.)
 
12.
Star Trek (1966 TV Series)
Episode: Mirror, Mirror (1967)
    1 2 3 4 5 6 7 8 9 10 9.2/10 X  
A transporter accident places Capt. Kirk's landing party in an alternate universe, where the Federation is a barbarically brutal empire. (50 mins.)
 
13.
Star Trek (1966 TV Series)
Episode: The Enemy Within (1966)
    1 2 3 4 5 6 7 8 9 10 7.8/10 X  
A transporter malfunction splits Captain Kirk into two halves: one meek and indecisive, the other violent and ill tempered. The remaining crew members stranded on the planet cannot be beamed up to the ship until a problem is fixed. (50 mins.)
 
14.
Star Trek (1966 TV Series)
Episode: The Galileo Seven (1967)
    1 2 3 4 5 6 7 8 9 10 7.8/10 X  
The Galileo, under Spock's command, crash-lands on a hostile planet. As the Enterprise races against time to find the shuttlecraft, Spock's strictly logical leadership clashes with the fear and resentment of his crew. (50 mins.)
 
15.
Star Trek (1966 TV Series)
Episode: Return to Tomorrow (1968)
    1 2 3 4 5 6 7 8 9 10 7.6/10 X  
The Enterprise is guided to a distant, long-dead world where survivors of an extremely ancient race - existing only as disembodied energy - desiring the bodies of Kirk, Spock and astro-biologist Ann Mulhall so that they may live again. (50 mins.)
 
16.
Star Trek (1966 TV Series)
Episode: Assignment: Earth (1968)
    1 2 3 4 5 6 7 8 9 10 7.7/10 X  
While back in time observing Earth in 1968, the Enterprise crew encounters the mysterious Gary Seven who has his own agenda on the planet. (50 mins.)
 
17.
Star Trek (1966 TV Series)
Episode: A Taste of Armageddon (1967)
    1 2 3 4 5 6 7 8 9 10 8.1/10 X  
Kirk and Spock must save their ship's crew when they are declared all killed in action in a bizarre computer simulated war where the actual deaths must occur to continue. (50 mins.)
 
18.
Star Trek (1966 TV Series)
Episode: By Any Other Name (1968)
    1 2 3 4 5 6 7 8 9 10 7.7/10 X  
Galactic alien scouts capture the Enterprise for a return voyage and a prelude to invasion. Kirk's one advantage - they're not used to their adopted human form. (50 mins.)
 
19.
Star Trek (1966 TV Series)
Episode: Obsession (1967)
    1 2 3 4 5 6 7 8 9 10 7.4/10 X  
Capt. Kirk obsessively hunts for a mysterious cloud creature he encountered in his youth. (50 mins.)
 
20.
Star Trek (1966 TV Series)
    1 2 3 4 5 6 7 8 9 10 7.2/10 X  
The Enterprise discovers an apparent asteroid that is on a collision course with a planet is actually an ancient populated generation ship. (50 mins.)
 
21.
Star Trek (1966 TV Series)
Episode: Day of the Dove (1968)
    1 2 3 4 5 6 7 8 9 10 8.0/10 X  
Both humans and Klingons have been lured to a planet by a formless entity that feeds on hatred and has set about to fashion them into a permanent food supply for itself. (50 mins.)
 
22.
Star Trek (1966 TV Series)
Episode: The Menagerie: Part I (1966)
    1 2 3 4 5 6 7 8 9 10 8.4/10 X  
Spock kidnaps the crippled Capt. Pike, hijacks the Enterprise and then surrenders for court martial. (50 mins.)
 
23.
Star Trek (1966 TV Series)
Episode: The Menagerie: Part II (1966)
    1 2 3 4 5 6 7 8 9 10 8.3/10 X  
At Spock's court martial, he explains himself with mysterious footage about when Capt. Pike was kidnapped by powerful illusion casting aliens. (50 mins.)
 
24.
Star Trek (1966 TV Series)
Episode: Wink of an Eye (1968)
    1 2 3 4 5 6 7 8 9 10 7.4/10 X  
A group of aliens who exist in a state of incredible acceleration invade the Enterprise and abduct Capt. Kirk. (50 mins.)
 
25.
Star Trek (1966 TV Series)
    1 2 3 4 5 6 7 8 9 10 8.9/10 X  
To protect a space station with a vital grain shipment, Kirk must deal with Federation bureaucrats, a Klingon battle cruiser and a peddler who sells furry, purring, hungry little creatures as pets. (50 mins.)
 
26.
Star Trek (1966 TV Series)
    1 2 3 4 5 6 7 8 9 10 7.3/10 X  
Seeking the answer to a century-old mystery, Kirk and crew encounter a vacantly peaceful society under a 6000-year autocratic rule that kills all those it can't absorb. (50 mins.)
 
27.
Star Trek (1966 TV Series)
Episode: Operation - Annihilate! (1967)
    1 2 3 4 5 6 7 8 9 10 7.6/10 X  
The Enterprise crew attempts to stop a plague of amoeba-like creatures from possessing human hosts and spreading throughout the galaxy. (50 mins.)
 
28.
Star Trek (1966 TV Series)
    1 2 3 4 5 6 7 8 9 10 7.6/10 X  
Nurse Chapel is reunited with her fianc; but his new obsession leads him to make an android duplicate of Captain Kirk. (50 mins.)
 
29.
Star Trek (1966 TV Series)
Episode: Arena (1967)
    1 2 3 4 5 6 7 8 9 10 8.1/10 X  
For bringing hostility into their solar system, a superior alien race brings Captain Kirk in mortal combat against the reptilian captain of an alien ship he was pursuing. (50 mins.)
 
30.
Star Trek (1966 TV Series)
Episode: Bread and Circuses (1968)
    1 2 3 4 5 6 7 8 9 10 7.3/10 X  
The Enterprise crew investigates the disappearance of a ship's crew on a planet that is a modern version of the Roman Empire. (50 mins.)
 
31.
Star Trek (1966 TV Series)
Episode: The Alternative Factor (1967)
    1 2 3 4 5 6 7 8 9 10 5.9/10 X  
Existence itself comes under threat from a man's power-struggle with his alternate self, with the Enterprise's strained dilithium crystals presenting his key to a final solution. (50 mins.)
 
32.
Star Trek (1966 TV Series)
Episode: Charlie X (1966)
    1 2 3 4 5 6 7 8 9 10 7.2/10 X  
Captain Kirk must learn the limits to the power of a 17-year-old boy with the psychic ability to create anything and destroy anyone. (50 mins.)