Worst Star Trek: The Original Series Episodes

by ChestnutProphecy | created - 13 Jan 2020 | updated - 10 Aug 2020 | Public

Most illogical

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1. Star Trek (1966–1969)
Episode: The Alternative Factor (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

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.

Director: Gerd Oswald | Stars: William Shatner, Leonard Nimoy, Robert Brown, DeForest Kelley

Votes: 3,885

2. Star Trek (1966–1969)
Episode: The Omega Glory (1968)

TV-PG | 50 min | Action, Adventure, Sci-Fi

Responding to a distress signal, Kirk finds Captain Tracey of the U.S.S. Exeter violating the prime directive and interfering with a war between the Yangs and the Kohms to find the secret of their longevity.

Director: Vincent McEveety | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Morgan Woodward

Votes: 3,441

3. Star Trek (1966–1969)
Episode: Catspaw (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

Very alien visitors to our galaxy attempt to connect with human consciousness but miss, winding up tapping into the regions of human nightmares instead.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Antoinette Bower

Votes: 3,590

4. Star Trek (1966–1969)
Episode: And the Children Shall Lead (1968)

TV-PG | 51 min | Action, Adventure, Sci-Fi

The Enterprise reaches a Federation colony where the adults have all killed themselves but the children play without care.

Director: Marvin J. Chomsky | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Craig Huxley

Votes: 3,409

5. Star Trek (1966–1969)
Episode: Arena (1967)

TV-PG | 50 min | Action, Adventure, Sci-Fi

For bringing hostility into their solar system, a superior alien race brings Captain Kirk into mortal combat against the reptilian captain of an alien ship he was pursuing.

Director: Joseph Pevney | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, George Takei

Votes: 4,514

6. Star Trek (1966–1969)
Episode: Mudd's Women (1966)

TV-PG | 50 min | Action, Adventure, Sci-Fi

The Enterprise picks up untrustworthy entrepreneur Harry Mudd accompanied by three beautiful women who immediately put a spell on all the male crew members.

Director: Harvey Hart | Stars: William Shatner, Leonard Nimoy, Roger C. Carmel, Karen Steele

Votes: 4,810

7. Star Trek (1966–1969)
Episode: Spock's Brain (1968)

TV-PG | 51 min | Action, Adventure, Sci-Fi

The crew of the Enterprise pursues a mysterious woman who has abducted Spock's brain.

Director: Marc Daniels | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Marj Dusay

Votes: 3,624

8. Star Trek (1966–1969)
Episode: The Savage Curtain (1969)

TV-PG | 51 min | Action, Adventure, Sci-Fi

Kirk, Spock, Abraham Lincoln and Vulcan legend Surak are pitted in battle against notorious villains from history for the purpose of helping a conscious rock creature's understanding of a concept he does not understand, "good vs. evil".

Director: Herschel Daugherty | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Lee Bergere

Votes: 3,073

9. Star Trek (1966–1969)
Episode: That Which Survives (1969)

TV-PG | 51 min | Action, Adventure, Sci-Fi

After the Enterprise landing party beams down to investigate a geologically interesting planet, their ship is hurled across the galaxy. Kirk and company find a deserted outpost guarded by the deadly image of a beautiful woman.

Director: Herb Wallerstein | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Lee Meriwether

Votes: 2,946

10. Star Trek (1966–1969)
Episode: The Lights of Zetar (1969)

TV-PG | 51 min | Action, Adventure, Sci-Fi

A mysterious, twinkling mass of sapient energy ravages an important archive and Scotty's new girlfriend may be linked to it.

Director: Herbert Kenwith | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Jan Shutan

Votes: 2,893



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