best episodes of Star Trek: Lower Decks poster

The lives of the support crew serving on one of Starfleet's least important ships, the U.S.S. Cerritos, in 2380. Ensigns Mariner, Boimler, Rutherford and Tendi have to keep up with their duties and their social lives, often while the ship is being rocked by a multitude of sci-fi anomalies.

5 Seasons
50 Episodes
Ended
Sci-Fi & Fantasy Animation Comedy
Cast & Characters
episode image Fissure Quest (1)
9.0/10 (870 votes)

#1 Fissure Quest (1)

S5:E9

Fissures must be closed before they get inflamed.

episode image The New Next Generation (2)
8.9/10 (669 votes)

#2 The New Next Generation (2)

S5:E10

Season finale where lots of wild stuff happens!

episode image wej Duj
8.7/10 (1423 votes)

#3 wej Duj

S2:E9

Boimler tries to find a friend from the bridge, while the crew of the USS Cerritos has free time during a long warp trip.

episode image No Small Parts
8.6/10 (1826 votes)

#4 No Small Parts

S1:E10

The USS Cerritos encounters a familiar enemy. Tendi helps a struggling recruit find her footing.

episode image First First Contact
8.6/10 (1290 votes)

#5 First First Contact

S2:E10

In the season two finale, the U.S.S. Cerritos is tasked to aid another class starship on a first contact mission.

episode image Hear All, Trust Nothing
8.6/10 (1309 votes)

#6 Hear All, Trust Nothing

S3:E6

The Cerritos crew unexpectedly spends a day on Deep Space Nine.

episode image Old Friends, New Planets (2)
8.6/10 (837 votes)

#7 Old Friends, New Planets (2)

S4:E10

Mariner faces her past.

episode image The Stars at Night
8.5/10 (1040 votes)

#8 The Stars at Night

S3:E10

The Cerritos crew must prove their worth in a mission race.

episode image I, Excretus
8.4/10 (1338 votes)

#9 I, Excretus

S2:E8

A consultant arrives on the U.S.S. Cerritos to run drills that require the lower deckers and bridge crew to swap duties.

episode image Twovix
8.2/10 (963 votes)

#10 Twovix

S4:E1

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

episode image Crisis Point
8.1/10 (1634 votes)

#11 Crisis Point

S1:E9

Mariner repurposes Boimler's holodeck program to cast herself as the villain in a Lower Decks style movie.

episode image Reflections
8.1/10 (1038 votes)

#12 Reflections

S3:E5

Mariner and Boimler work the Starfleet recruitment booth at an alien job fair, Rutherford challenges himself.

episode image Fully Dilated
8.1/10 (544 votes)

#13 Fully Dilated

S5:E7

It's a pre-warp society undercover Girls Trip!

episode image The Inner Fight (1)
8.0/10 (729 votes)

#14 The Inner Fight (1)

S4:E9

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

episode image Crisis Point 2: Paradoxus
7.9/10 (1008 votes)

#15 Crisis Point 2: Paradoxus

S3:E8

Boimler's holodeck movie sequel tries to live up to the original.

episode image I Have No Bones Yet I Must Flee
7.9/10 (877 votes)

#16 I Have No Bones Yet I Must Flee

S4:E2

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

episode image Trusted Sources
7.8/10 (927 votes)

#17 Trusted Sources

S3:E9

A visiting reporter on the Cerritos puts Captain Freeman on edge.

episode image Parth Ferengi's Heart Place
7.8/10 (797 votes)

#18 Parth Ferengi's Heart Place

S4:E6

The Cerritos visits the Ferengi homeworld.

episode image Where Pleasant Fountains Lie
7.7/10 (1186 votes)

#19 Where Pleasant Fountains Lie

S2:E7

Mariner and Boimler are stranded on an uninhabited planet with a sentient computer. On the Cerritos, Lt. Commander Billups must prove his engineering abilities to an old adversary.

episode image Grounded
7.7/10 (1133 votes)

#20 Grounded

S3:E1

Mariner enlists her friends on a rogue mission to exonerate her mother, as Captain Freeman faces a military tribunal for the destruction of Pakled Planet.

episode image The Least Dangerous Game
7.7/10 (1042 votes)

#21 The Least Dangerous Game

S3:E2

On a tropical paradise planet, Mariner questions Commander Ransom on how he structures his away team. Boimler makes a bold career decision.

episode image Something Borrowed, Something Green
7.7/10 (824 votes)

#22 Something Borrowed, Something Green

S4:E4

Tendi is summoned back to Orion for a wedding.

episode image Caves
7.7/10 (743 votes)

#23 Caves

S4:E8

The Lower Deckers go on a classic cave mission.

episode image Dos Cerritos
7.7/10 (629 votes)

#24 Dos Cerritos

S5:E1

A spatial anomaly forces the Cerritos crew to face their own faces. Tendi pirates.

episode image Veritas
7.6/10 (1582 votes)

#25 Veritas

S1:E8

Mariner, Boimler, Tendi and Rutherford are caught off guard when aliens force them to testify about a series of seemingly unrelated events.

episode image Kayshon, His Eyes Open
7.6/10 (1261 votes)

#26 Kayshon, His Eyes Open

S2:E2

Our Lower Deckers have trouble bonding with Ensign Jet Manhaver, who has been assigned Boimler’s bunk and shift duties. Meanwhile, we get a glimpse of Boimler’s life on the U.S.S. Titan, which is more intense than he thought it would be.

episode image We'll Always Have Tom Paris
7.6/10 (1204 votes)

#27 We'll Always Have Tom Paris

S2:E3

Assigned a special task by Dr. T'Ana, Tendi enlists Mariner for help. On the U.S.S. Cerritos, Rutherford is consumed by a bridge crew mystery.

episode image An Embarrassment of Dooplers
7.6/10 (1163 votes)

#28 An Embarrassment of Dooplers

S2:E5

Mariner and Boimler try to track down the location of a legendary Starfleet party while the bridge crew deals with an insecure alien diplomat.

episode image Empathalogical Fallacies
7.6/10 (841 votes)

#29 Empathalogical Fallacies

S4:E5

A trio of Betazoids cause chaos on the Cerritos.

episode image Starbase 80?!
7.6/10 (550 votes)

#30 Starbase 80?!

S5:E5

Ransom uses too much disinfectant gel while Mariner gets paranoid about curses.

episode image Upper Decks
7.6/10 (521 votes)

#31 Upper Decks

S5:E8

The Lower Deckers have a pumpkin carving party.

episode image Cupid's Errant Arrow
7.5/10 (1617 votes)

#32 Cupid's Errant Arrow

S1:E5

Ensign Boimler welcomes his girlfriend Barb onto the USS Cerritos, much to Ensign Mariner’s dismay — while Ensigns Ruthford and Tendi have starship envy when the Cerritos rendezvous with the more-advanced USS Vancouver.

episode image Much Ado About Boimler
7.5/10 (1536 votes)

#33 Much Ado About Boimler

S1:E7

Mariner tries to impress her best friend from Starfleet Academy who is now a visiting Captain. Boimler is sent to a Starfleet medical ship after a transporter accident puts him “out of phase.”

episode image Room for Growth
7.5/10 (984 votes)

#34 Room for Growth

S3:E4

Mariner, Boimler and Tendi clash with their arch-rivals: Delta Shift. The Cerritos engineers go on mandatory relaxation leave.

episode image In the Cradle of Vexilon
7.5/10 (798 votes)

#35 In the Cradle of Vexilon

S4:E3

Boimler leads his first away mission on an alien megastructure.

episode image A Farewell to Farms
7.5/10 (567 votes)

#36 A Farewell to Farms

S5:E4

Dr. Migleemo cooks up some hot dishes while Mariner prefers hers served cold.

episode image The Spy Humongous
7.4/10 (1142 votes)

#37 The Spy Humongous

S2:E6

Anomaly consolidation day on the U.S.S. Cerritos leaves the Lower Deckers with mixed emotions. Captain Freeman attempts to negotiate peace on the Pakled home world.

episode image Mining the Mind's Mines
7.4/10 (1026 votes)

#38 Mining the Mind's Mines

S3:E3

On a remote science outpost, stone orbs are bringing fantasies to life. Tendi starts her first day as a Senior Science Officer Trainee.

episode image Moist Vessel
7.3/10 (1678 votes)

#39 Moist Vessel

S1:E4

Captain Freeman seeks the ultimate payback after Mariner blatantly disrespects her in front of the crew. A well-meaning Tendi accidentally messes up a Lieutenant's attempt at spiritual ascension and tries to make it right.

episode image Mugato, Gumato
7.3/10 (1162 votes)

#40 Mugato, Gumato

S2:E4

The U.S.S. Cerritos is dispatched to a planet to investigate an unexplained sighting of a dangerous Mugato.

Cast & Chracters

character image Beckett Mariner (voice)

Beckett Mariner (voice)

Actor: Tawny Newsome
character image Bradward 'Brad' Boimler (voice)

Bradward 'Brad' Boimler (voice)

Actor: Jack Quaid
character image D'Vana Tendi (voice)

D'Vana Tendi (voice)

Actor: Noël Wells
character image Samanthan 'Sam' Rutherford (voice)

Samanthan 'Sam' Rutherford (voice)

Actor: Eugene Cordero
character image Carol Freeman (voice)

Carol Freeman (voice)

Actor: Dawnn Lewis
character image T’Ana (voice)

T’Ana (voice)

Actor: Gillian Vigman
character image Jack Ransom (voice)

Jack Ransom (voice)

Actor: Jerry O'Connell
character image Shaxs (voice)

Shaxs (voice)

Actor: Fred Tatasciore

The highest rated episode of Star Trek: Lower Decks is "Fissure Quest (1)" (S5E9) with a rating of 9.00.

This episode received 870 votes.


The lowest rated episode is "Second Contact" (S1E1) with a rating of 6.90.

This episode received 2,359 votes.

The highest rated episode is "No Small Parts" (S1E10) with a rating of 8.60.

This episode received 1,826 votes.


The lowest rated episode is "Second Contact" (S1E1) with a rating of 6.90.

This episode received 2,359 votes.

The highest rated episode is "wej Duj" (S2E9) with a rating of 8.70.

This episode received 1,423 votes.


The lowest rated episode is "Strange Energies" (S2E1) with a rating of 7.10.

This episode received 1,285 votes.

The highest rated episode is "Hear All, Trust Nothing" (S3E6) with a rating of 8.60.

This episode received 1,309 votes.


The lowest rated episode is "A Mathematically Perfect Redemption" (S3E7) with a rating of 6.90.

This episode received 1,230 votes.

The highest rated episode is "Old Friends, New Planets (2)" (S4E10) with a rating of 8.60.

This episode received 837 votes.


The lowest rated episode is "A Few Badgeys More" (S4E7) with a rating of 7.30.

This episode received 757 votes.

The highest rated episode is "Fissure Quest (1)" (S5E9) with a rating of 9.00.

This episode received 870 votes.


The lowest rated episode is "Shades of Green" (S5E2) with a rating of 7.30.

This episode received 605 votes.

Name Department Job
Aaron Baiers Production Co-Executive Producer
Alex Kurtzman Production Executive Producer
Heather Kadin Production Executive Producer
Mike McMahan Production Executive Producer
Trevor Roth Production Executive Producer
Alexander Courage Sound Music
Gene Roddenberry Writing Original Series Creator

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