Star Trek: Lower Decks - Season 4

First aired: 9/7/2023 10 episodes

The fourth season of Star Trek: Lower Decks finds the U.S.S. Cerritos ensigns being challenged in new ways and given new opportunities, while also learning they’ll be “lower decks” for a long time to come.

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Episodes

1. Twovix

Aired: 9/7/2023

The Cerritos ensigns must assist a caretaker on the voyage of a historically significant starship.

2. I Have No Bones Yet I Must Flee

Aired: 9/7/2023

Mariner tries to get demoted, Rutherford tries to get promoted, and Boimler makes a big move.

3. In the Cradle of Vexilon

Aired: 9/14/2023

Boimler leads his first away mission on an alien megastructure.

4. Something Borrowed, Something Green

Aired: 9/21/2023

Tendi is summoned back to Orion for a wedding.

5. Empathalogical Fallacies

Aired: 9/28/2023

A trio of Betazoids cause chaos on the Cerritos.

6. Parth Ferengi's Heart Place

Aired: 10/5/2023

The Cerritos visits the Ferengi homeworld.

7. A Few Badgeys More

Aired: 10/12/2023

Three computerized villains return to cause problems for the Cerritos crew.

8. Caves

Aired: 10/19/2023

The Lower Deckers go on a classic cave mission.

9. The Inner Fight (1)

Aired: 10/26/2023

Captain Freeman assigns the Lower Deckers an overly safe mission to try and keep a self-destructive Mariner out of danger.

10. Old Friends, New Planets (2)

Aired: 11/2/2023

Mariner faces her past.