Reviews of Discovery are written and posted as the series airs. Note: All reviews contain spoilers.
Season 1 (2017-2018)
9/24/2017. The Vulcan Hello — While investigating damaged Starfleet equipment on the Klingon border, first officer Michael Burnham of the USS Shenzhou makes a startling discovery that leads to the first contact in a century between the Federation and Klingon Empire.
9/24/2017. Battle at the Binary Stars — Burnham is jailed for mutiny amid a standoff between Federation and Klingon fleets that threatens to escalate into open warfare.
10/1/2017. Context Is for Kings — Six months after her court-martial, Burnham's distressed prison transport is rescued by the USS Discovery, a science vessel co-opted for the war effort, whose captain is determined not to let Burnham's talent and experience go to waste.
10/8/2017. The Butcher's Knife Cares Not for the Lamb's Cry — Burnham is assigned to study the deadly creature found aboard the USS Glenn. Meanwhile, Lorca demands immediate testing of the Discovery's experimental drive in order to come to the aid of a mining colony under Klingon attack.
10/15/2017. Choose Your Pain — Lorca is captured and held prisoner by the Klingons, leaving Saru to face his first command situation and a difficult choice when Burnham reveals the tardigrade may be suffering whenever the Discovery uses the mycelium spore drive.
10/22/2017. Lethe — When Sarek is critically injured during a diplomatic mission, Burnham must reach into his mind to save him, and learns he is harboring a years-old secret about her. Meanwhile, Admiral Cornwell expresses concerns about Lorca's command of the Discovery.
10/29/2017. Magic to Make the Sanest Man Go Mad — The Discovery is trapped in a repeating time loop by Harry Mudd, who plans to seek revenge on Lorca for leaving him in a Klingon prison.
11/5/2017. Si Vis Pacem, Para Bellum — While the Discovery investigates the unique properties of a world that may hold the key to overcoming the Klingons' cloaking technology, Saru has a profoundly mind-altering experience.
11/12/2017. Into the Forest I Go — With the Klingon Ship of the Dead en route to Pahvos, the Discovery crew must devise a plan to protect the planet from certain annihilation while also disobeying Starfleet’s direct order to return to safety.
1/7/2018. Despite Yourself — The Discovery crew must quickly adapt to a new scenario when they find themselves trapped in an alternate universe operated under the brutal rule of the fascist Terran Empire.
1/14/2018. The Wolf Inside — When Burnham is ordered to destroy a rebel base, she alters the mission to learn more about the alliance that stands against the oppresive Terran Empire.
1/21/2018. Vaulting Ambition — Burnham confronts the alternate version of her mentor, Philippa Georgiou, who in the mirror universe rules as emperor over the Terran Empire.
1/28/2018. What's Past Is Prologue — Burnham must choose between Lorca and Georgiou during their power struggle for control of the Terran Empire while the Discovery crew tries to figure out how to return home.
2/4/2018. The War Without, The War Within — The crew of Discovery returns to their own universe to find Starfleet is losing the war with the Klingons and that they may hold the only chance for changing the Federation's fortunes.
2/11/2018. Will You Take My Hand? — Starfleet sends the Discovery, under Emperor Georgiou's command, on a daring mission to Kronos in the hopes of ending the war with the Klingons.
Season 2 (2019)
1/17/2019. Brother — Captain Christopher Pike assumes command of the Discovery to investigate some mysterious anomalies leading to the rescue attempt of survivors from a downed Starfleet vessel. Meanwhile, Burnham must confront the troubled relationship with her Vulcan stepbrother.
1/24/2019. New Eden — When the Discovery investigates a transmission originating from the location of one of the mysterious red bursts, they find a colony of humans who have been living on a world on the other side of the galaxy for 200 years.
1/31/2019. Point of Light — On the Klingon homeworld, L'Rell must deal with a potential political uprising sparked by her loyalty to Ash Tyler, who is regarded as an untrustworthy outsider.
2/7/2019. An Obol for Charon — The Discovery is imperiled by a mysterious alien entity. Meanwhile, Saru's life is threatened by a Kelpien condition that is a core part of his people's identity.
2/14/2019. Saints of Imperfection — Stamets devises a plan to take the Discovery into the mycelium spore network in the hopes of rescuing Tilly.
2/21/2019. The Sound of Thunder — The detection of a red burst takes the Discovery to Saru's homeworld of Kaminar, where he must confront and consider exposing a worldwide lie that leads his people to willingly face premature death at the hands of the world's other native species.
2/28/2019. Light and Shadows — While Burnham returns home to Vulcan to seek answers about her brother's whereabouts, the Discovery investigates a temporal anomaly that has appeared in Kaminar's orbit.
3/7/2019. If Memory Serves — Burnham takes Spock to Talos IV where the planet's telepathic inhabitants help heal his mind, but in the process both of them must confront difficult memories from each other's pasts.
3/14/2019. Project Daedalus — Airiam engages in mysterious activities as the Discovery, carrying out a mission under Admiral Cornwell, heads toward a secret base to challenge the authority of Section 31.
3/21/2019. The Red Angel — After believing they've determined the identity of the Red Angel, the Discovery crew devises a daring plan to capture it.
3/28/2019. Perpetual Infinity — The crew of Discovery must race to find answers from Burnham's mother, who is engaged in an ongoing battle to manipulate the timeline to stop Control from gaining sentience.
4/4/2019. Through the Valley of Shadows — Discovery investigates a red burst over a Klingon colony while Burnham and Spock pursue Control's commandeered Section 31 ship.
4/11/2019. Such Sweet Sorrow, Part 1 — The crew makes preparations for a one-way journey that may be the only way to ensure the sphere data can never be acquired by Control.
4/18/2019. Such Sweet Sorrow, Part 2 — The Discovery and Enterprise must make a final stand against Control's fleet of ships while Burnham attempts to figure out the mystery surrounding the seven signals and how to use them to complete the mission.
Season 3 (2020-2021)
10/15/2020. That Hope Is You, Part 1 — Burnham arrives in the 32nd century, alone and separated from the USS Discovery, where she meets a man who tells her the Federation collapsed more than a century ago after a mysterious disaster.
10/22/2020. Far From Home — After traveling through the wormhole and arriving in the 32nd century, the Discovery crashes on an icy world where they must make first contact with the local inhabitants in order to repair the ship.
10/29/2020. People of Earth — Now reunited with Burnham, the Discovery travels to Earth to find a Starfleet admiral who sent a message on a Federation frequency 12 years earlier.
11/5/2020. Forget Me Not — Discovery travels to the Trill homeworld hoping they can help Adira recover the memories of her symbiont, which may carry the last known location of the Federation.
11/12/2020. Die Trying — Discovery arrives at Starfleet Headquarters, where the crew has opportunities to learn about the diminished Federation of the current century while also facing suspicion from Starfleet's leadership.
11/19/2020. Scavengers — Burnham and Georgiou embark on a rogue mission against orders to rescue Booker and retrieve data that may hold information about the cause of the Burn.
11/26/2020. Unification III — Discovery travels to Ni'Var — formerly known as Vulcan, and now the joint homeworld of the Vulcans and the Romulans — in a longshot effort to convince them to turn over protected data about a project that may shed light on the cause of the Burn.
12/3/2020. The Sanctuary — Discovery travels to Booker's homeworld, which is being exploited by the Emerald Chain crime syndicate in exchange for products that prevent famine from ripping through their world.
12/10/2020. Terra Firma, Part 1 — When Georgiou's bizarre condition imminently imperils her life, she and Burnham beam down to a mysterious planet that may hold the only answers that can save her.
12/17/2020. Terra Firma, Part 2 — Trying to find a new way forward to prevent Terran history from repeating itself, Georgiou tries to figure out how to address Burnham's betrayal with a solution other than death.
12/24/2020. Su'Kal — Discovery arrives at the Verubin Nebula, where a mysterious distress signal from a crashed Kelpien ship may hold crucial information about the cause of the Burn.
12/31/2020. There Is a Tide... — After seizing control of Discovery, Osyraa takes the ship to Starfleet Headquarters, where she announces her plan to broker a deal between the Federation and the Emerald Chain.
1/7/2021. That Hope Is You, Part 2 — While the away team tries to rescue an isolated Kelpien, the crew of Discovery attempts to retake their ship from Osyraa and her forces.
Season 4 (2021-2022)
11/18/2021. Kobayashi Maru — With work underway to re-establish and expand the Federation, the Discovery must undertake a dangerous rescue operation to save the crew of a space station threatened with destruction.
11/25/2021. Anomaly — While grieving the loss of his family and homeworld, Book undertakes a mission to pilot his ship into a dangerous anomaly that threatens the Federation, in an attempt to collect crucial data that may aid in Starfleet's understanding of it.
12/2/2021. Choose to Live — Following a deadly attack on a Federation starship and the theft of its dilithium by a member of the Qowat Milat, Starfleet assigns Captain Burnham to pursue the perpetrators, whose leader has personal ties to Burnham's mother.
12/9/2021. All Is Possible — Burnham and Saru must attend a diplomatic function between the Federation and Ni'Var, whose impending signing to rejoin the Federation is imperiled by an impasse in the negotiations. Meanwhile, Tilly accompanies some Starfleet cadets on a team-building exercise that turns perilous when disaster strikes.
12/16/2021. The Examples — The Discovery comes to the aid of a colony threatened by the proximity of the DMA, and Burnham takes on a mission to rescue the condemned inmates of the colony's prison.
12/23/2021. Stormy Weather — While investigating a subspace rift created by the DMA, the Discovery becomes trapped inside with no apparent ability to navigate out.
12/30/2021. ...But to Connect — As Stamets and other members of the crew reckon with the issue of the ship's computer being an artificial intelligence with emotions, Burnham and Booker attend an assembly of representatives from Federation member worlds seeking to take action on the DMA crisis.
2/10/2022. All In — Burnham and Owosekun go on a mission to prevent Booker and Tarka from obtaining the rare substance they require in their effort to destroy the DMA.
2/17/2022. Rubicon — With the addition of a specialist assigned to the crew to ensure its mission is successfully executed, Discovery is tasked with directly engaging Booker and Tarka at the DMA before they can deploy their weapon.
2/24/2022. The Galactic Barrier — Tarka takes Booker to a prison facility importantly connected to his past and possible future, while Discovery must cross the barrier at the edge of the galaxy to reach the resident location of Species 10-C.
3/3/2022. Rosetta — A Discovery away team beams down to the presumed abandoned planet of Species 10-C in an effort to learn things that may guide the first-contact mission.
3/10/2022. Species Ten-C — The crew of Discovery reaches the site of Species 10-C, where they must figure out how to enter the protective hyperfield and solve the puzzle of how to communicate with a species so fundamentally different.
3/17/2022. Coming Home — As the DMA's disastrous effects approach Earth, the crew of Discovery must race against the clock to re-establish communications with Species 10-C and stop Tarka from deploying a weapon that could imperil any chance for peaceful negotiations.