Star Trek: Discovery

10 Worst Episodes of Star Trek: Discovery

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.

Written by Sophie and last updated on feb 12, 2023.

PS: The following content contains spoilers!

PPS: I will admit that parts of this page was written with the help of AI - it makes my work so much easier to not start from a blank page!

Star Trek: Discovery - S3E9

#10 - Terra Firma (1) (Season 3 - Episode 9)

The U.S.S. Discovery crew journey to a mysterious planet in hopes of finding a cure for Georgiou's deteriorating condition. Stamets and Adira make a stunning breakthrough with the newly acquired Burn data.

The episode was rated 7.41 from 2023 votes.

Star Trek: Discovery - S4E10

#9 - The Galactic Barrier (Season 4 - Episode 10)


Captain Burnham and her crew must go where few have gone before: beyond the Galactic Barrier. Meanwhile, Book learns the truth of what drives Ruon Tarka.

The episode was rated 7.40 from 1666 votes.

Star Trek: Discovery - S4E9

#8 - Rubicon (Season 4 - Episode 9)

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.

The episode was rated 7.39 from 1640 votes.

Star Trek: Discovery - S4E8

#7 - All In (Season 4 - Episode 8)


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.

The episode was rated 7.38 from 1697 votes.

Star Trek: Discovery - S4E5

#6 - The Examples (Season 4 - Episode 5)

Burnham and Book race to evacuate a group of stranded colonists in the anomaly’s path as one of the Federation’s brightest scientists comes aboard the U.S.S. Discovery to do high-stakes research with Saru and Stamets.

The episode was rated 7.38 from 1843 votes.

Star Trek: Discovery - S4E2

#5 - Anomaly (Season 4 - Episode 2)


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.

The episode was rated 7.30 from 2083 votes.

Star Trek: Discovery - S4E11

#4 - Rosetta (Season 4 - Episode 11)

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.

The episode was rated 7.28 from 1654 votes.

Star Trek: Discovery - S4E3

#3 - Choose to Live (Season 4 - Episode 3)


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.

The episode was rated 7.21 from 1931 votes.

Star Trek: Discovery - S4E6

#2 - Stormy Weather (Season 4 - Episode 6)

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.

The episode was rated 7.17 from 1828 votes.

Star Trek: Discovery - S4E4

#1 - All Is Possible (Season 4 - Episode 4)


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.

The episode was rated 7.02 from 1885 votes.

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