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This science fiction series adds to the Star Trek franchise with the story of a space-faring mission that takes place about a decade before that of Captain Kirk and the Enterprise of the original series. In this one, the Klingons are engaged in a war with the United Federation of Planets, and the starship Discovery gets caught in the conflict.

The series follows the adventures of the crew of the starship Discovery as it becomes involved in the war with the Klingons. The second season takes place after the war has ended, but tensions are still high.

In the third season, the timeline of Discovery begins to converge with the timeline of the original series. Rather than deal with a potential overlap between the storylines, the Discovery and its crew are catapulted 900 years into the future. This time jump to the 32nd century puts the plot well away from any other of the series or movies in the Star Trek franchise.

Star Trek: Discovery is a series that is currently running and has 3 seasons (46 episodes). The series first aired on September 24, 2017.

Where do I stream Star Trek: Discovery online? Star Trek: Discovery is available for streaming on CBS, both individual episodes and full seasons. You can also watch Star Trek: Discovery on demand at Apple TV+, CBS, Amazon Prime, Amazon, Hulu, FuboTV, Microsoft Movies & TV, Google Play, iTunes online.

3 Seasons, 46 Episodes
September 24, 2017
Drama, Fantasy
Cast: Sonequa Martin-Green, Doug Jones, Anthony Rapp, Mary Wiseman
Watch Episodes
Clips & Extras

Star Trek: Discovery Full Episode Guide

  • Season finale. As the Emerald Chain tightens its grip and the mystery of the Burn is finally solved, Burnham and the crew have one last chance to save themselves - and the Federation. (TV-14 L, V)

  • After capturing the U.S.S. Discovery, Osyraa seeks a meeting with Admiral Vance while Burnham and the crew must overcome unimaginable odds as they attempt to regain command of their ship. (TV-MA L)

  • Discovery ventures to the Verubin Nebula, where Burnham, Saru, and Culber make a shocking realization about the origin of the Burn as the rest of the crew faces an unexpected threat. (TV-PG L)

  • Georgiou uncovers the true depths of the plot against her, leading her to a revelation about how deeply her time on the U.S.S. Discovery truly changed her.

  • The U.S.S. Discovery crew journey to a mysterious planet in hopes of finding a cure for Georgiou's deteriorating condition.

  • Burnham and the U.S.S. Discovery crew travel to Book's home planet to help rescue it from Osyraa, the formidable leader of the Emerald Chain.

  • While grappling with the fallout of her recent actions, and what her future might hold, Burnham agrees to represent the Federation in an intense debate about the release of politically sensitive - but highly valuable - Burn data.

  • After receiving a message from Book, Burnham and Georgiou embark on a rogue mission to find him, leaving Saru to pick up the pieces with Admiral Vance. Meanwhile, Stamets forms an unexpected bond with Adira.

  • After reuniting with what remains of Starfleet and the Federation, the U.S.S. Discovery and its crew must prove that a 930 year old crew and starship are exactly what this new future needs.

  • Burnham and Adira visit the Trill homeworld in hopes of unlocking the secrets trapped within Adira's mind.

  • Finally reunited, Burnham and the U.S.S. Discovery crew journey to Earth, eager to learn what happened to the Federation in their absence.

  • After the U.S.S. Discovery crash-lands on a strange planet, the crew finds themselves racing against time to repair their ship. Meanwhile, Saru and Tilly embark on a perilous first-contact mission in hopes of finding Burnham. (TV-MA L, V)

  • Arriving 930 years in the future, Burnham navigates a galaxy she no longer recognizes while searching for the rest of the U.S.S. Discovery crew.

  • Diving into the Season 3 premiere, Wil Wheaton (Star Trek: The Next Generation), host of "The Ready Room," chats with series newcomer David Ajala (Cleveland "Book" Booker). Learn more about Book and Commander Burnham's first encounter, Ajala's special furry co-star, and the all-new props designed fo

  • Star Michelle Yeoh (Emperor Georgiou) joins host Wil Wheaton (Star Trek: The Next Generation) this week to spill on how she's brought her shrewd and intimidating character to life. Commenting on the amazing stuntwork, commanding costumes, and her deep love for the Terran ruler, Yeoh shares her thoug

  • This week, Director Jonathan Frakes joins host Wil Wheaton (Star Trek: The Next Generation) in "The Ready Room" to discuss Star Trek's complex new villain, the state of the distant future in the Star Trek Universe, and more! Stream all-new episodes of Star Trek: Discovery on Thursdays, exclusively i

  • 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.

  • The crew must deal with the consequences after knowing the identity of the Red Angel.

  • 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.

  • 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.

  • 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; Tyler struggles to shed the crew's suspicions of him due to his past as Voq.

  • 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.

  • 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.

  • 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.

  • A surprise visitor to the U.S.S. Discovery brings shocking news about Spock and dredges up past regrets for Burnham. Following the asteroid incident, Tilly struggles to keep a grip on her reality. L'Rell's authority on Qo'noS is threatened.

  • 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

  • Season premiere. After answering a distress signal from the U.S.S. Enterprise, the U.S.S. Discovery welcomes aboard Captain Christopher Pike (Anson Mount) and begins a new mission to investigate the meaning behind seven mysterious red signals. Michael Burnham grapples with her past growing up on Vulcan with her foster parents and brother Spock.

Star Trek: Discovery News

Spock Returns in Season Premiere of 'Star Trek: Discovery'

The character is back on TV for the first time in decades.

'Star Trek: Discovery' Has Cast Its Version of Spock

The new series will present a version of the legendary Vulcan.

'Star Trek: Discovery' Fires Its Showrunners

Is the CBS sci-fi series in trouble?

'Star Trek: Discovery' Gets a Second-Season Renewal

CBS hopes that the series will prop up its All Access streaming service.

Are 'Star Trek' Fans Racist?

Some fans are complaining about the diverse cast of the new 'Star Trek' TV series.

CBS Releases Trailer for 'Star Trek: Discovery'

The franchise's new TV series will air on the network's new streaming service.

'Walking Dead' Actress Takes Lead on New 'Star Trek' Series

Now her character has a name, too.

Star Trek: Discovery Video Clips & Extras

Perpetual Infinity Clip (00:32)