Series
2020–2024
·5 seasons
·50 episodes
·Set 2380–2383
Star Trek: Lower Decks
An animated comedy about the junior officers of the USS Cerritos, one of Starfleet's least important ships.
Episode guide
Season 1 10 logged
01
Second ContactNew ensign D'Vana Tendi joins the USS Cerritos while Captain Freeman asks Boimler to report on Mariner, and a…
02
EnvoysBoimler and Mariner ferry a Klingon general to Tulgana IV, while Rutherford tries leaving engineering to spen…
03
Temporal EdictWhen Boimler tells Freeman about the crew's habit of padding their schedules, her strict deadlines throw the …
04
Moist VesselFreeman promotes Mariner to push her off the ship, but the two must work together when xenoforming material f…
05
Cupid's Errant ArrowMariner suspects that Boimler's new girlfriend Barbara is not what she seems, while Rutherford and Tendi tour…
06
Terminal ProvocationsA malfunction turns Rutherford's holographic assistant Badgey homicidal, while Mariner and Boimler hunt for a…
07
Much Ado About BoimlerA transporter mishap leaves Boimler phasing in and out of reality and sends him to a Starfleet medical facili…
08
VeritasThe four ensigns are summoned before an alien named Clar and questioned about a series of mysterious missions…
09
Crisis PointBoimler's holodeck simulation of the Cerritos is hijacked by Mariner, who turns it into a feature-film style …
10
No Small PartsThe Cerritos is overpowered by the Pakleds after finding a destroyed Starfleet ship, and Lieutenant Shaxs sac…
Season 2 10 logged
01
Strange EnergiesAn ancient device on Apergos gives Commander Ransom godlike powers, while Tendi worries that Rutherford's per…
02
Kayshon, His Eyes OpenAn away team cataloguing a dead collector's estate is caught by its automated defenses, while a transporter a…
03
We'll Always Have Tom ParisTendi and Mariner break a Caitian heirloom while running an errand for Dr. T'Ana, and Boimler goes to great l…
04
Mugato, GumatoWhile Boimler and Rutherford suspect Mariner is a Section 31 agent, the crew discovers Ferengi harvesting Mug…
05
An Embarrassment of DooplersA Doopler emissary who duplicates whenever he is embarrassed fills the Cerritos with copies, while Mariner co…
06
The Spy HumongousThe Cerritos takes in a Pakled defector suspected of spying, Boimler is courted by the ambitious Red Shirts, …
07
Where Pleasant Fountains LieBillups's mother tries to trick him into taking the throne of Hysperia, while Boimler and Mariner crash-land …
08
I, ExcretusPandronian drill instructor Shari yn Yem puts the crew through holodeck training scenarios that only Boimler …
09
wej DujA Klingon, a Vulcan and the Cerritos each face their own day before converging on a Pakled plot backed by a r…
10
First First ContactThe Cerritos supports Captain Sonya Gomez's USS Archimedes on a first-contact mission, but the season ends wi…
Season 3 10 logged
01
GroundedWith Captain Freeman on trial for bombing the Pakled homeworld, Mariner leads her friends in sneaking aboard …
02
The Least Dangerous GameBoimler becomes the prey in an alien hunt and decides to act more boldly.
03
Mining the Mind's MinesEnsigns disarming psychic mines on Jengus IV stumble onto a hidden lab and a spy device.
04
Room for GrowthBoimler, Tendi and Mariner race rival shifts for a quarters lottery while engineers build a stress-relief mac…
05
ReflectionsRutherford's implant unleashes an angry younger self, while Boimler's recruitment fair goes badly.
06
Hear All, Trust NothingFreeman's trade talks with the Karemma on Deep Space 9 turn chaotic when Quark is kidnapped.
07
A Mathematically Perfect RedemptionPeanut Hamper strands herself on a planet and bonds with its winged inhabitants, but has a plan of her own.
08
Crisis Point 2: ParadoxusBoimler's holodeck sequel spirals into a search for meaning, with Tendi taking over the story.
09
Trusted SourcesFreeman's Project Swing By revisits abandoned worlds, but a journalist's exposé and a Breen ambush follow.
10
The Stars at NightAdmiral Buenamigo's automated Texas-class ships turn on Starfleet, and Mariner returns with the California-cl…
Season 4 10 logged
01
TwovixWhile escorting the retired USS Voyager to Earth, the crew battles a revived macrovirus, and a transporter ac…
02
I Have No Bones Yet I Must FleeMariner acts out hoping for a demotion, then helps recapture a creature escaped from a menagerie.
03
In the Cradle of VexilonThe Cerritos visits a habitat with a faltering computer while the junior crew haze a lieutenant.
04
Something Borrowed, Something GreenD'Vana attends her sister's wedding on an Orion world while Boimler and Rutherford settle roommate disputes.
05
Empathological FallaciesT'Lyn's emotions spread telepathically through the crew after Betazoid diplomats seize the ship.
06
Parth Ferengi's Heart PlaceFreeman outwits Grand Nagus Rom and First Clerk Leeta during talks on Ferengi admission to the Federation, wh…
07
A Few Badgeys MoreRutherford's rogue AI Badgey hijacks a scavenger ship and splits into a kinder version of himself.
08
CavesTrapped in a collapsed cave, four friends swap stories of past ordeals and reaffirm their bond.
09
The Inner FightMariner, stranded with a rival captain, confronts her insecurities as a mysterious ship attacks.
10
Old Friends, New PlanetsNick Locarno threatens to use a Genesis Device unless his rebel fleet is recognized, and Freeman defies order…
Season 5 10 logged
01
Dos CerritosPulled into a parallel universe, Mariner is swapped with her alternate self, a strict captain, while Tendi le…
02
Shades of GreenOrion siblings D'Vana and D'Erika settle a clan feud with a dangerous asteroid race.
03
The Best Exotic Nanite HotelThe crew hunts a tech-eating nanite swarm at a space hotel while personal dramas play out.
04
A Farewell to FarmsMa'ah returns to his family farm after losing command and, encouraged by Boimler, confronts a tyrant.
05
Starbase 80?!The Cerritos docks at a notoriously cursed starbase where crew members start behaving erratically.
06
Of Gods and AnglesPeace talks between two light-based species falter until the delegates' children offer a surprising solution.
07
Fully DilatedMariner, Tendi and T'Lyn spend a year undercover on a pre-industrial world where time runs far faster than on…
08
Upper DecksA typical day for the Cerritos senior officers brings a packed schedule and cascading failures.
09
Fissure QuestClone-captain William Boimler leads a mixed crew hunting interdimensional rifts.
10
The New Next GenerationThe Cerritos confronts a rift distorting reality and the crew begins exploring the multiverse.