Season Four Episode Guide

Star Trek: Discovery (401) - Kobayashi Maru

Kobayashi Maru

Episode #: 401
Air Date: 11.18.2021
Our Rating:

Working to reunite former Federation member worlds, Captain Burnham and her crew rush to provide emergency aide to a space station that has been sent hurtling through space. On Kaminar Saru works for his people as an elder statesman, but longs to return to the stars.
Star Trek: Discovery (402) - Anomaly


Episode #: 402
Air Date: 11.25.2021
Our Rating:

When Discovery attempts to retrieve sensor readings on a massive anomaly threatening the Federation and its allies, Michael and Book clash over his fitness to fly a dangerous mission into the heart of the anomaly.
Star Trek: Discovery (403) - Choose to Live

Choose to Live

Episode #: 403
Air Date: 12.02.2021
Our Rating:

With help from Michael's mother Discovery attempts to apprehend a member of the warrior caste Qowat Milat, who has killed a Starfleet officer and stolen a shipment of dilithium. Gray puts himself on the line to start a new life in an android body.
Star Trek: Discovery (404) - All Is Possible

All Is Possible

Episode #: 404
Air Date: 12.09.2021
Our Rating:

Lt. Tilly agrees to lead a group of Starfleet cadets on a team-building exercise, only for their shuttle to crash on a frozen moon. Burnham and Saru join the Federation delegation to Ni'Var, where plans for their rejoining the Federation go awry.
Star Trek: Discovery (405) - The Examples

The Examples

Episode #: 405
Air Date: 12.16.2021
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After the anomaly jumps a thousand light years Discovery leads a rescue mission to evacuate a chain world now in its path. Meanwhile Stamets bristles when a brilliant scientist comes on board the ship to crack the anomaly's secrets.
Star Trek: Discovery (406) - Stormy Weather

Stormy Weather

Episode #: 406
Air Date: 12.23.2021
Our Rating:

Discovery's crew enters the spatial rift left behind by the anomaly in the hopes of finding a clue to its origins, leading to a crisis for the crew – and for Zora, the ship's emerging artificial intelligence – when they are unable to escape.
Star Trek: Discovery (407) - ... But to Connect

... But to Connect

Episode #: 407
Air Date: 12.30.2021
Our Rating:

Michael faces an unexpected challenge when Discovery's sentient computer discerns the origins of the D.M.A. ... but refuses to disclose it to the crew. Meanwhile the Federation hosts representatives from dozens of worlds in an effort to coordinate a response to the anomaly.
Star Trek: Discovery (408) - All In

All In

Episode #: 408
Air Date: 02.10.2022
Our Rating:

After Book and Tarka go after Species Ten-C Captain Burnham is tasked with hunting them down, leading to the criminal underworld where she and Book used to run – and a race to acquire a deadly weapon.
Star Trek: Discovery (409) - Rubicon


Episode #: 409
Air Date: 02.17.2022
Our Rating:

Discovery chases Book and Tarka to try and stop them from attacking the D.M.A., forcing Michael to put her crew on the line for a mission that might kill the man she loves.
Star Trek: Discovery (410) - The Galactic Barrier

The Galactic Barrier

Episode #: 410
Air Date: 02.24.2022
Our Rating:

Discovery's mission to make first contact with the creators of the D.M.A. forces them to attempt to penetrate the Galactic Barrier at the edge of the galaxy. Elsewhere, a trip to Tarka's former prison reveals his true motives to Book.
Star Trek: Discovery (411) - Rosetta


Episode #: 411
Air Date: 03.03.2022
Our Rating:

Burnham leads an away mission to try and learn more about Species Ten-C to aid in first contact, while Book and Tarka arrive and attempt to infiltrate Discovery in secret.
Star Trek: Discovery (412) - Species Ten-C

Species Ten-C

Episode #: 412
Air Date: 03.10.2022
Our Rating:

With the D.M.A. threatening the heart of the Federation, Discovery's crew attempts to make contact with the advanced alien race that created it – before it is too late.
Star Trek: Discovery (413) - Coming Home

Coming Home

Episode #: 413
Air Date: 03.17.2022
Our Rating:

After Tarka attacks the Ten-C Discovery works to reestablish first contact, while Earth and Ni'Var scramble to evacuate as many people as they can from the DMA's destructive path.