Star Trek: Lower Decks - Episode Guide

Ensign Tendi has her first day of work on Starfleet's U.S.S. Cerritos, where she meets fellow support crew members, Ensigns Mariner, Boimler and Rutherford. Meanwhile, Boimler is tasked with a secret special assignment and Rutherford attempts to keep his dating life intact while a sci-fi disaster strikes the ship.

After a high profile mission goes awry, Boimler is further plagued with self-doubt when Mariner proves herself to be a more naturally talented sci-fi badass than he. Rutherford quits his job in engineering and explores other departments on the U.S.S. Cerritos.

A new work protocol eliminating "buffer time" has the Lower Decks crew running ragged as they try to keep up with their tightened schedules. Ensign Mariner and Commander Ransom's mutual lack of respect comes to a head during an away mission.

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.

Mariner is suspicious of Boimler's new girlfriend. Tendi and Rutherford grow jealous of a bigger starship's gear.

The lovable, but awkward, Ensign Fletcher makes work difficult for Mariner and Boimler. Rutherford introduces Tendi to a holodeck training program he created.

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."

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

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

Season finale. The U.S.S. Cerritos encounters a familiar enemy. Tendi helps a struggling recruit find her footing.

Approximately three months after the events of the season one finale, the U.S.S. Cerritos is dispatched on a mission where it ends up in a sci-fi event resulting in "strange energy," which Commander Ransom inadvertently absorbs.

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.

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.

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

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

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.

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.
 

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

Boimler tries to find a bridge buddy while the U.S.S. Cerritos crew has down time during a long warp trip.

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

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.

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

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

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

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

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

A wayward Starfleet ensign struggles to find a path to redemption.

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

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

In the season three finale, the U.S.S. Cerritos crew must prove their worth in a mission race.

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

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

Boimler leads his first away mission on an alien megastructure.

Tendi is summoned back to Orion for a wedding.

A trio of Betazoids cause chaos on the Cerritos.

The Cerritos visits the Ferengi homeworld.

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

The Lower Deckers go on a classic cave mission.

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

Mariner faces her past in the season four finale.

Creator Mike McMahan and the cast of Star Trek: Lower Decks give insight into their characters and roles on the series' ship, the U.S.S. Cerritos, and dish about some of their favorite moments from the upcoming debut season.

Mica Burton speaks with Star Trek: Lower Decks Creator, Showrunner and Executive Producer Mike McMahan and voice cast members Tawny Newsome, Jack Quaid, Noël Wells, and Eugene Cordero. The group discusses favorite moments from the debut season, what it's been like joining the Star Trek family, and more.