The BEST Episodes of Star Trek: Discovery
Every episode ever - ranked by fan votes!
Last Updated: Sep 30, 2020
Network: CBS All Access
Set roughly ten years before the events of the original Star Trek, the series follows the crew of the USS Discovery as they discover new worlds and civilizations, while exploring the franchise's signature contemporary themes. The season-long story line revolves around an incident and an event in Star Trek history that's been talked about but never been explored.
#1 - Such Sweet Sorrow (2)
Season 2 - Episode 14 - Aired Apr 18, 2019
The U.S.S. Discovery battles against Control in a fight not only for their lives but for the future, with a little help from some unexpected friends. Spock and Burnham discern vital new connections between the red signals while Burnham faces one of life’s harshest truths: the right decisions are often the hardest to make.
8.26 
#2 - Into the Forest I Go
Season 1 - Episode 9 - Aired Nov 12, 2017
Bypassing Starfleet’s orders, Lorca uses the U.S.S. Discovery crew’s ultimate asset, the ship itself, in an effort to end the war with the Klingons once and for all.
8.11 
#3 - Project Daedalus
Season 2 - Episode 9 - Aired Mar 14, 2019
When the Discovery crew infiltrates Section 31’s headquarters, suspicions arise that the crew may have a traitor in their midst. Burnham tries to help Spock but her efforts don’t go as planned.
8.05 
#4 - If Memory Serves
Season 2 - Episode 8 - Aired Mar 7, 2019
Spock and Burnham head to Talos IV, where the process of healing Spock forces the siblings to confront their troubled past. Stamets desperately tries to reconnect with Hugh, while Tyler struggles to shed the crew’s suspicions of him due to his past as Voq.
8.02 
#5 - New Eden
Season 2 - Episode 2 - Aired Jan 24, 2019
A new signal appears, prompting Stamets’ emotional return to the mycelial network and leading Burnham, Pike and Owosekun to a pre-warp planet, where they face a complex ethical dilemma. Tilly’s overeagerness lands her in trouble but when the planet – and Discovery’s landing party – are threatened, her curiosity may be the one thing that can save them.
8.01 
#6 - What's Past is Prologue
Season 1 - Episode 13 - Aired Jan 28, 2018
Lorca plans to move forward with a coup against the Emperor, propelling Burnham to make a quick decision to save not only herself, but the U.S.S. Discovery.
8.01 
#7 - Vaulting Ambition
Season 1 - Episode 12 - Aired Jan 21, 2018
Burnham heads to the ISS Charon with a special “gift” for the Emperor. With the help of an unexpected source, Stamets gains clarity while trapped inside the mycelial network. Saru asks for L’Rell’s help.
7.99 
#8 - Such Sweet Sorrow (1)
Season 2 - Episode 13 - Aired Apr 11, 2019
When the U.S.S. Discovery’s crucial mission does not go according to plan, Burnham realizes what must ultimately be done. The crew prepares for the battle of a lifetime as Leland’s Control ships get closer.
7.97 
#9 - The Red Angel
Season 2 - Episode 10 - Aired Mar 21, 2019
Burnham is stunned when she learns her ties to Section 31 run deeper than she ever fathomed. Armed with the identity of the Red Angel, the U.S.S. Discovery goes to work on its most critical mission to date.
7.94 
#10 - The War Without, the War Within
Season 1 - Episode 14 - Aired Feb 4, 2018
Burnham and the U.S.S. Discovery crew are faced with the harsh reality of the war during their absence. In order to move forward, Starfleet must use unconventional tactics and sources to take their next action against the Klingons.
7.92 
#11 - Through the Valley of Shadows
Season 2 - Episode 12 - Aired Apr 4, 2019
A fourth signal leads the U.S.S. Discovery to an insular world, where Pike is forced to make a life-changing choice. Burnham and Spock investigate a Section 31 ship gone rogue, leading to a discovery with catastrophic consequences.
7.92 
#12 - Brother
Season 2 - Episode 1 - Aired Jan 17, 2019
The crew of the U.S.S. Discovery joins forces with Captain Pike to unravel the mystery of seven mysterious red signals that have appeared across the universe.
7.90 
#13 - Context Is for Kings
Season 1 - Episode 3 - Aired Oct 1, 2017
Michael’s shuttle is intercepted by Captain Gabriel Lorca of the mysterious U.S.S. Discovery, who orders her to join a dangerous recovery mission.
7.90 
#14 - Perpetual Infinity
Season 2 - Episode 11 - Aired Mar 28, 2019
Burnham receives the reunion she’s been longing for, but it doesn’t go quite as she imagined. Georgiou and Tyler sense a disturbing change in Leland.
7.90 
#15 - The Sound of Thunder
Season 2 - Episode 6 - Aired Feb 21, 2019
When a new signal appears over Saru’s home planet, Burnham, Saru and the crew embark on a perilous mission that puts Saru in danger and raises questions about the Red Angel’s intentions. Hugh struggles to come to terms with his new reality.
7.90 
#16 - Battle at the Binary Stars
Season 1 - Episode 2 - Aired Sep 24, 2017
Escaping from the brig while the ship is under attack, Burnham joins the captain in an audacious plan to end a battle rapidly escalating into war.
7.87 
#17 - Will You Take My Hand?
Season 1 - Episode 15 - Aired Feb 11, 2018
With Georgiou at the helm of the plan to end the Klingon war once and for all, the U.S.S. Discovery crew struggles to fathom and tolerate her hostile tactics. Memories of past hardships are rekindled within Burnham.
7.86 
#18 - Light and Shadows
Season 2 - Episode 7 - Aired Feb 28, 2019
Burnham goes to Vulcan in search of Spock, where she unearths surprising family secrets. In researching what is left of the Red Angel’s signal over Kaminar, Pike and Tyler end up in battle with time itself. Georgiou has a few tricks up her sleeve for Leland and Section 31.
7.82 
#19 - Despite Yourself
Season 1 - Episode 10 - Aired Jan 7, 2018
While in unfamiliar territory, the U.S.S. Discovery crew is forced to get creative in their next efforts to survive opposing and unprecedented forces and return home.
7.81 
#20 - The Wolf Inside
Season 1 - Episode 11 - Aired Jan 14, 2018
The crew continues their guise, and Burnham is ordered on a merciless mission to end the resistance in hopes of returning home. Meanwhile, Tilly works on restoring Stamets’ neurofunction.
7.81 
#21 - Lethe
Season 1 - Episode 6 - Aired Oct 22, 2017
Michael uses her connection to Sarek to help locate him after he is wounded in an assassination attempt. Lorca deals with an unexpected visitor.
7.79 
#22 - Choose Your Pain
Season 1 - Episode 5 - Aired Oct 15, 2017
When Lorca is kidnapped by the Klingons and imprisoned with an eccentric cell mate, the Discovery is assigned to rescue him despite Michael’s doubts.
7.78 
#23 - The Butcher's Knife Cares Not for the Lamb's Cry
Season 1 - Episode 4 - Aired Oct 8, 2017
Voq faces a powerful challenge in his pursuit of T’Kuvma’s agenda, while Michael discovers a possible solution to the ship’s propulsion difficulties.
7.78 
#24 - An Obol for Charon
Season 2 - Episode 4 - Aired Feb 7, 2019
A mysterious sphere threatens the U.S.S. Discovery even as May, in her original form, implements a plan that puts Tilly’s life in danger. Saru and Burnham’s bond grows when Saru is forced to acknowledge a deeply unsettling Kelpien truth. Pike receives new intel on Spock from a loyal friend.
7.77 
#25 - Magic to Make the Sanest Man Go Mad
Season 1 - Episode 7 - Aired Oct 29, 2017
A figure familiar to Lorca and Lt. Tyler from the Klingon prison ship attacks the Discovery, intending to deliver the ship to their former captors.
7.76