Season 4
13 episodes · premiered Nov 18, 2021
After season three finds the U.S.S. Discovery crew in an unknown future far from the home they once knew, the space explorers encounter an unpredictable gravitational anomaly that could bring their journey to an end. Now living in a time filled with uncertainty, the Discovery crew, along with the help of some new friends, must work together to restore hope to the Federation.
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E1 Kobayashi Maru
After months spent reconnecting the Federation with distant worlds, Captain Michael Burnham and the crew of the U.S.S. Discovery are sent to assist a damaged space station – a seemingly routine mission that reveals the existence of a terrifying new threat.
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E2 Anomaly
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.
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E3 Choose to Live
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.
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E4 All Is Possible
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.
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E5 The Examples
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.
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E6 Stormy Weather
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.
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E7 ...But to Connect
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.
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E8 All In
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.
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E9 Rubicon
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.
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E10 The Galactic Barrier
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.
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E11 Rosetta
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.
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E12 Species Ten-C
As the DMA approaches Earth and Ni’Var, Captain Burnham and the crew of the U.S.S. Discovery attempt to make First Contact with the powerful species responsible before it’s too late.
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E13 Coming Home
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.