The WORST episodes of Star Trek: Discovery

Every episode of Star Trek: Discovery ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Star Trek: Discovery!

Ten years before Kirk, Spock, and the Enterprise, the USS Discovery discovers new worlds and lifeforms as one Starfleet officer learns to understand all things alien.

Last Updated: 12/6/2024Network: Paramount+Status: Ended
All Is Possible
star
7.00
2139 votes

#1 - All Is Possible

Season 4 - Episode 4 - Aired 12/9/2021

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

Directors: John Ottman
Watch Now:Amazon
Jinaal
star
7.09
1259 votes

#2 - Jinaal

Season 5 - Episode 3 - Aired 4/11/2024

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.

Directors: Andi Armaganian
Watch Now:Amazon
Whistlespeak
star
7.14
1163 votes

#3 - Whistlespeak

Season 5 - Episode 6 - Aired 5/2/2024

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.

Watch Now:Amazon
Stormy Weather
star
7.15
2092 votes

#4 - Stormy Weather

Season 4 - Episode 6 - Aired 12/23/2021

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.

Directors: Jonathan Frakes
Watch Now:Amazon
Choose to Live
star
7.19
2187 votes

#5 - Choose to Live

Season 4 - Episode 3 - Aired 12/2/2021

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

Watch Now:Amazon
Red Directive
star
7.23
1421 votes

#6 - Red Directive

Season 5 - Episode 1 - Aired 4/4/2024

Discovery investigates an ancient Romulan vessel where they face-off with some unexpected guests and uncover a vast mystery that sends them on a race across the galaxy. Meanwhile, Saru is presented with a unique opportunity.

Watch Now:Amazon
Rosetta
star
7.25
1895 votes

#7 - Rosetta

Season 4 - Episode 11 - Aired 3/3/2022

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.

Watch Now:Amazon
Mirrors
star
7.28
1203 votes

#8 - Mirrors

Season 5 - Episode 5 - Aired 4/25/2024

Captain Burnham and Book journey into extradimensional space in search of the next clue to the location of the Progenitors' power. Meanwhile, Rayner navigates his first mission in command of the U.S.S. Discovery, and Culber opens up to Tilly.

Directors: Jen McGowan
Watch Now:Amazon
Anomaly
star
7.28
2335 votes

#9 - Anomaly

Season 4 - Episode 2 - Aired 11/25/2021

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.

Watch Now:Amazon
Life, Itself
star
7.29
1222 votes

#10 - Life, Itself

Season 5 - Episode 10 - Aired 5/30/2024

Trapped inside a mysterious alien portal that defies familiar rules of time, space, and gravity, Captain Burnham must fight Moll -- and the environment itself -- in order to locate the Progenitors' technology and secure it for the Federation. Meanwhile, Book puts himself in harm's way to help Burnham survive and Rayner leads the U.S.S. Discovery in an epic winner-takes-all battle against Breen forces.

Watch Now:Amazon
Under the Twin Moons
star
7.31
1318 votes

#11 - Under the Twin Moons

Season 5 - Episode 2 - Aired 4/4/2024

On the heels of their startling discovery, Captain Burnham and the crew investigate a seemingly abandoned planet in their continued quest to solve the galaxy’s greatest mystery. Meanwhile, Saru helps Burnham make an important decision.

Watch Now:Amazon
All In
star
7.34
1946 votes

#12 - All In

Season 4 - Episode 8 - Aired 2/10/2022

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

Writer: Sean Cochran
Watch Now:Amazon
The Galactic Barrier
star
7.34
1905 votes

#13 - The Galactic Barrier

Season 4 - Episode 10 - Aired 2/24/2022

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

Watch Now:Amazon
The Examples
star
7.35
2114 votes

#14 - The Examples

Season 4 - Episode 5 - Aired 12/16/2021

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.

Directors: Lee Rose
Writer: Kyle Jarrow
Watch Now:Amazon
Rubicon
star
7.36
1885 votes

#15 - Rubicon

Season 4 - Episode 9 - Aired 2/17/2022

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.

Directors: Andi Armaganian
Watch Now:Amazon
Labyrinths
star
7.36
1136 votes

#16 - Labyrinths

Season 5 - Episode 8 - Aired 5/16/2024

When Captain Burnham is trapped within a "mindscape" designed to test her worthiness to retrieve the Progenitor’s powerful technology, Book, Rayner, and the crew of the U.S.S. Discovery must hold off the Breen long enough for her to escape.

Watch Now:Amazon
Erigah
star
7.37
1178 votes

#17 - Erigah

Season 5 - Episode 7 - Aired 5/9/2024

With Moll and L'ak finally in custody, the Federation is pulled into a diplomatic and ethical firestorm when the Breen arrive and demand they be handed over. Meanwhile, a frustrated Book looks for ways to help as Tilly, Adira, and Reno work to decipher the latest clue.

Directors: Jon Dudkowski
Watch Now:Amazon
…But to Connect
star
7.39
2072 votes

#18 - …But to Connect

Season 4 - Episode 7 - Aired 12/30/2021

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.

Directors: Lee Rose
Watch Now:Amazon
Terra Firma (1)
star
7.40
2198 votes

#19 - Terra Firma (1)

Season 3 - Episode 9 - Aired 12/10/2020

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

Directors: Omar Madha
Watch Now:Amazon
The Sanctuary
star
7.41
2243 votes

#20 - The Sanctuary

Season 3 - Episode 8 - Aired 12/3/2020

Burnham and the Discovery crew travel to Book's home planet to help rescue it from Osyraa, the formidable leader of the Emerald Chain. Stamets and Adira continue their search for valuable information about the origin of the Burn.

Directors: Jonathan Frakes
Watch Now:Amazon
Face the Strange
star
7.44
1264 votes

#21 - Face the Strange

Season 5 - Episode 4 - Aired 4/18/2024

On the way to the next clue, the U.S.S. Discovery is sabotaged by a mysterious weapon, leaving Captain Burnham, Rayner, and Stamets as the only crew members who can possibly save the ship in time.

Directors: Lee Rose
Writer: Sean Cochran
Watch Now:Amazon
Kobayashi Maru
star
7.45
2476 votes

#22 - Kobayashi Maru

Season 4 - Episode 1 - Aired 11/18/2021

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

Watch Now:Amazon
Terra Firma (2)
star
7.46
2213 votes

#23 - Terra Firma (2)

Season 3 - Episode 10 - Aired 12/17/2020

Georgiou uncovers the truth about the plot against her, leading her to a revelation about how deeply her time on the U.S.S. Discovery changed her.

Directors: Chloe Domont
Watch Now:Amazon
Coming Home
star
7.46
1944 votes

#24 - Coming Home

Season 4 - Episode 13 - Aired 3/17/2022

The DMA approaches Earth and Ni'Var. With evacuations underway, Burnham and the team aboard the U.S.S. Discovery must find a way to communicate and connect with a species far different from their own before time runs out.

Watch Now:Amazon
Lagrange Point
star
7.49
1140 votes

#25 - Lagrange Point

Season 5 - Episode 9 - Aired 5/23/2024

After Moll and the Breen capture a mysterious structure that contains the Progenitors' power, Captain Burnham must lead a covert mission to retrieve it before the Breen figure out how to use it.

Directors: Jonathan Frakes
Watch Now:Amazon