Worst Star Trek Episodes

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1. Star Trek: The Original Series (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: 2,500

2. Star Trek: The Original Series (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: 2,299

3. Star Trek: The Original Series (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: 2,160

4. Star Trek: The Original Series (1966–1969)
Episode: The Way to Eden (1969)

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

A group of idealistic hippies, led by an irrational leader, come aboard the U.S.S. Enterprise.

Director: David Alexander | Stars: William Shatner, Leonard Nimoy, DeForest Kelley, Skip Homeier

Votes: 2,143

5. Star Trek: The Next Generation (1987–1994)
Episode: Code of Honor (1987)

TV-PG | 46 min | Action, Adventure, Mystery

When the leader of an alien culture takes a romantic interest in Lt. Yar, he claims her for his own, to the dismay of his own wife, who, in turn, challenges Tasha in a fight to the death.

Directors: Russ Mayberry, Les Landau | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Denise Crosby

Votes: 2,878

6. Star Trek: The Next Generation (1987–1994)
Episode: Angel One (1988)

TV-PG | 46 min | Action, Adventure, Mystery

Riker, Troi, Data and Yar beam down to a planet ruled by a matriarchal government in the hopes of locating a missing freighter crew.

Director: Michael Ray Rhodes | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Denise Crosby

Votes: 2,434

7. Star Trek: The Next Generation (1987–1994)
Episode: The Child (1988)

TV-PG | 45 min | Action, Adventure, Mystery

Deanna is impregnated by a unknown alien life-form, and Dr. Katherine Pulaski joins the Enterprise as the ship's new Chief Medical Officer.

Director: Rob Bowman | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 2,489

8. Star Trek: The Next Generation (1987–1994)
Episode: Shades of Gray (1989)

TV-PG | 45 min | Action, Adventure, Mystery

When Commander Riker comes down with a dangerous alien infection after an away mission, the only way to treat it may be through reliving his memories.

Director: Rob Bowman | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 2,605

9. Star Trek: The Next Generation (1987–1994)
Episode: Man of the People (1992)

TV-PG | 45 min | Action, Adventure, Mystery

When the Enterprise comes to the rescue of an ambassador and his "mother", Deanna finds herself attracted to him, and seeks to comfort him upon her death.

Director: Winrich Kolbe | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 1,796

10. Star Trek: The Next Generation (1987–1994)
Episode: Sub Rosa (1994)

TV-PG | 46 min | Action, Adventure, Mystery

Dr. Crusher meets the man in her dead grandmother's life when she tries to put her affairs in order, whom one of the local people warn her to stay away from by not lighting a candle that has been lit for generations.

Director: Jonathan Frakes | Stars: Patrick Stewart, Jonathan Frakes, LeVar Burton, Michael Dorn

Votes: 2,051

11. Star Trek: Deep Space Nine (1993–1999)
Episode: Meridian (1994)

TV-PG | 46 min | Action, Adventure, Drama

Dax falls in love with one of the residents of a multi-dimensional planet, while on DS9 an alien requests a holosuite program of Kira from Quark.

Director: Jonathan Frakes | Stars: Avery Brooks, Rene Auberjonois, Alexander Siddig, Terry Farrell

Votes: 1,313

12. Star Trek: Deep Space Nine (1993–1999)
Episode: The Muse (1996)

TV-PG | 46 min | Action, Adventure, Drama

A mysterious woman approaches Jake about his future as a writer. Odo promises to do whatever it takes to help Lwaxana Troi keep her baby over the father's wishes - even if it means marrying her himself.

Director: David Livingston | Stars: Avery Brooks, Rene Auberjonois, Michael Dorn, Terry Farrell

Votes: 1,208

13. Star Trek: Deep Space Nine (1993–1999)
Episode: Let He Who Is Without Sin... (1996)

TV-PG | 60 min | Action, Adventure, Drama

While vacationing on Risa, Worf and Dax meet a group of fundamentalist protesters who claim that the Federation has gone soft.

Director: Rene Auberjonois | Stars: Avery Brooks, Rene Auberjonois, Michael Dorn, Terry Farrell

Votes: 1,259

14. Star Trek: Deep Space Nine (1993–1999)
Episode: Resurrection (1997)

TV-PG | 46 min | Action, Adventure, Drama

Major Kira takes a romantic interest in the mirror universe counterpart of her deceased lover Bareil after he transports himself into her universe and onto DS9.

Director: LeVar Burton | Stars: Avery Brooks, Rene Auberjonois, Michael Dorn, Terry Farrell

Votes: 1,126

15. Star Trek: Voyager (1995–2001)
Episode: Threshold (1996)

TV-PG | 46 min | Action, Adventure, Sci-Fi

Tom's attempt to cross the time warp threshold and make a name for himself results in rapid physical mutation.

Director: Alexander Singer | Stars: Kate Mulgrew, Robert Beltran, Roxann Dawson, Jennifer Lien

Votes: 1,480

16. Star Trek: Voyager (1995–2001)
Episode: The Fight (1999)

TV-PG | 46 min | Action, Adventure, Sci-Fi

As unseen aliens adjust his neural pathways, Chakotay recalls both boxing at the academy under groundskeeper Boothby's management and watching after his "crazy old" grandfather.

Director: Winrich Kolbe | Stars: Kate Mulgrew, Robert Beltran, Roxann Dawson, Robert Duncan McNeill

Votes: 1,176

17. Star Trek: Enterprise (2001–2005)
Episode: These Are the Voyages... (2005)

TV-PG | 43 min | Action, Adventure, Drama

In 2370, Commander William T. Riker is trying to clear his mind and relives the last mission of the first Enterprise on the holodeck.

Director: Allan Kroeker | Stars: Scott Bakula, John Billingsley, Jolene Blalock, Dominic Keating

Votes: 1,684



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