Star Trek: Lower Decks - Season 4

Season 4
Star Trek: Lower Decks IV
In season 4, an unknown force is destroying starships and threatening galactic peace. Luckily, the crew of the U.S.S. Cerritos isn't important enough for stuff like that! Instead, Ensigns Mariner, Boimler, Tendi, Rutherford and Provisional Ensign T'Lyn are keeping up with their Starfleet duties, avoiding malevolent computers and getting stuck in a couple caves – all while encountering new and classic aliens along the way.

Episodes

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

I Have No Bones Yet I Must Flee
Mariner tries to get demoted, Rutherford tries to get promoted, and Boimler makes a big move.

In the Cradle of Vexilon
Boimler leads his first away mission on an alien megastructure.

Something Borrowed, Something Green
Tendi is summoned back to Orion for a wedding.

Empathological Fallacies
A trio of Betazoids cause chaos on the Cerritos.

Parth Ferengi's Heart Place
The Cerritos visits the Ferengi homeworld.

A Few Badgeys More
Three computerized villains return to cause problems for the Cerritos crew.

Caves
The Lower Deckers go on a classic cave mission.

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

Old Friends, New Planets
Mariner faces her past in the season four finale.
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