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The Worst Episodes of Star Trek: Discovery

Every episode of Star Trek: Discovery ranked from worst to best. Explore the Worst Episodes of Star Trek: Discovery!

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Follow the voyages of Starfleet on their missions to discover new worlds and new life forms, and one Starfleet officer who must learn that to truly understand all things alien, you must first understand yourself.

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Episode Rankings

  1. #1 Worst Episode
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    Star Trek: Discovery Season 4 Episode 4 - All Is Possible
    5.3/10(3469 votes)

    #1 - All Is Possible

    S4:E4

    Tilly and Adira lead a team of Starfleet Academy cadets on a training mission that takes a dangerous turn. Meanwhile, Burnham is pulled into tense negotiations on Ni’Var.

    Director:John Ottman
    Writers:Alan B. McElroy, Eric J. Robbins

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  2. Star Trek: Discovery Season 4 Episode 2 - Anomaly
    5.5/10(3529 votes)

    #2 - Anomaly

    S4:E2

    Saru returns to help the U.S.S. Discovery uncover the mystery of an unusually destructive new force. As Burnham leads the crew, she must also find a way to help Book cope with an unimaginable loss.

    Director:Olatunde Osunsanmi
    Writers:Anne Cofell Saunders, Glenise Mullins

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  3. Star Trek: Discovery Season 4 Episode 6 - Stormy Weather
    5.5/10(3033 votes)

    #3 - Stormy Weather

    S4:E6

    Seeking answers, the U.S.S. Discovery ventures into a subspace rift created by the Dark Matter Anomaly. Meanwhile, Book faces a strange visitor from his past.

    Director:Jonathan Frakes
    Writers:Brandon Schultz, Anne Cofell Saunders

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  4. Star Trek: Discovery Season 4 Episode 3 - Choose to Live
    5.6/10(3245 votes)

    #4 - Choose to Live

    S4:E3

    Burnham and Tilly hunt the killer of a Starfleet officer as Stamets and the science team race against the clock to prevent the anomaly from killing anyone else.

    Director:Christopher J. Byrne
    Writer:Terri Hughes

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  5. Star Trek: Discovery Season 4 Episode 11 - Rosetta
    5.6/10(2349 votes)

    #5 - Rosetta

    S4:E11

    While Captain Burnham leads an away mission to a planet that was once home to the aliens responsible for the DMA, Book and Tarka secretly infiltrate the U.S.S. Discovery.

    Director:Jeffrey W. Byrd
    Writer:Terri Hughes

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  6. Star Trek: Discovery Season 4 Episode 8 - All In
    5.7/10(2456 votes)

    #6 - All In

    S4:E8

    Following a hunch, Captain Burnham tracks Book to an old haunt from their courier days and gets drawn into a high-stakes competition for a powerful weapon.

    Director:Christopher J. Byrne
    Writer:Sean Cochran

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  7. Star Trek: Discovery Season 5 Episode 6 - Whistlespeak
    5.7/10(1654 votes)

    #7 - Whistlespeak

    S5:E6

    While undercover in a pre-warp society, Captain Burnham is forced to consider breaking the Prime Directive when a local tradition threatens Tilly's life. Meanwhile, Culber tries to connect with Stamets, and Adira steps up when Rayner assigns them a position on the bridge.

    Director:Christopher J. Byrne
    Writers:Brandon Schultz, Kenneth Lin

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  8. Star Trek: Discovery Season 3 Episode 8 - The Sanctuary
    5.8/10(3933 votes)

    #8 - The Sanctuary

    S3:E8

    Osyraa attacks Book's home planet and the Discovery travels there to help. Stamets and Adira investigate The Burn.

    Director:Jonathan Frakes
    Writers:Brandon Schultz, Kenneth Lin

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  9. Star Trek: Discovery Season 5 Episode 3 - Jinaal
    5.8/10(1801 votes)

    #9 - Jinaal

    S5:E3

    On Trill, Captain Burnham, Book, and Culber must pass a dangerous test to prove themselves worthy of the next clue. Adira reconnects with Gray and Saru’s first day as ambassador is complicated by his engagement to T'Rina.

    Director:Andi Armaganian
    Writers:Kyle Jarrow, Lauren Wilkinson

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  10. Star Trek: Discovery Season 4 Episode 1 - Kobayashi Maru
    5.9/10(4170 votes)

    #10 - Kobayashi Maru

    S4:E1

    After months spent reconnecting the Federation with distant worlds, Captain Michael Burnham and the crew of the U.S.S. Discovery are sent to assist a damaged space station – a seemingly routine mission that reveals the existence of a terrifying new threat.

    Director:Olatunde Osunsanmi
    Writers:Alex Kurtzman, Michelle Paradise, Jenny Lumet

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  11. Star Trek: Discovery Season 4 Episode 7 - ...But to Connect
    5.9/10(2740 votes)

    #11 - ...But to Connect

    S4:E7

    Tensions rise as representatives from across the galaxy gather to confront the threat of the Dark Matter Anomaly. Zora's new sentience raises difficult questions.

    Director:Lee Rose
    Writers:Terri Hughes, Carlos Cisco

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  12. Star Trek: Discovery Season 4 Episode 9 - Rubicon
    5.9/10(2284 votes)

    #12 - Rubicon

    S4:E9

    Captain Burnham and the U.S.S. Discovery race to stop Book and Ruon Tarka from launching a rogue plan that could inadvertently endanger the galaxy.