
Star Trek: Lower Decks — Season 4
The adventure begins when their shift ends.
About this season
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.
Episodes (10)

1. Twovix
8.1Aired 7 September 2023 • 26 min
The Cerritos ensigns must assist a caretaker on the voyage of a historically significant starship.

2. I Have No Bones Yet I Must Flee
7.5Aired 7 September 2023 • 24 min
Mariner tries to get demoted, Rutherford tries to get promoted, and Boimler makes a big move.

3. In the Cradle of Vexilon
7.2Aired 14 September 2023 • 25 min
Boimler leads his first away mission on an alien megastructure.

4. Something Borrowed, Something Green
7.0Aired 21 September 2023 • 26 min
Tendi is summoned back to Orion for a wedding.

5. Empathalogical Fallacies
7.0Aired 28 September 2023 • 26 min
A trio of Betazoids cause chaos on the Cerritos.

6. Parth Ferengi's Heart Place
7.3Aired 5 October 2023 • 26 min
The Cerritos visits the Ferengi homeworld.

7. A Few Badgeys More
7.0Aired 12 October 2023 • 27 min
Three computerized villains return to cause problems for the Cerritos crew.

8. Caves
7.1Aired 19 October 2023 • 26 min
The Lower Deckers go on a classic cave mission.

9. The Inner Fight (1)
7.1Aired 26 October 2023 • 27 min
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)
7.5Aired 2 November 2023 • 31 min
Mariner faces her past.