Ensign Barnes is a fictional character portrayed by Jessica McKenna in the TV series Star Trek: Lower Decks.
In the first episode they appeared in, titled Second Contact (season 1), they were 33 years old.
They appear in 18 episodes out of a total of 40 aired so far
Episodes18
Second Contact
episode S1.E1 august 2020Ensigns Mariner and Boimler run into difficulty on Galar. Meanwhile, an alien virus infects the crew of the Cerritos.Envoys
episode S1.E2 august 2020After 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.Temporal Edict
episode S1.E3 august 2020A 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.Moist Vessel
episode S1.E4 august 2020Captain 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.Terminal Provocations
episode S1.E6 september 2020The lovable but awkward Ensign Fletcher makes work difficult for Mariner and Boimler. Rutherford introduces Tendi to a holodeck training program that he created.Strange Energies
episode S2.E1 august 2021The U.S.S. Cerritos is dispatched on a mission which results in an encounter with "strange energy."Kayshon, His Eyes Open
episode S2.E2 august 2021Our 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.Mugato, Gumato
episode S2.E4 september 2021The USS Cerritos is dispatched to a planet to investigate an unexplained sighting of a dangerous Mugato.Where Pleasant Fountains Lie
episode S2.E7 september 2021Mariner & 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.I, Excretus
episode S2.E8 september 2021A consultant arrives on the U.S.S. Cerritos to run drills that require the lower deckers and bridge crew to swap duties.Wej Duj
episode S2.E9 october 2021As the U.S.S. Cerritos crew has downtime during a long warp trip, a Klingon ship and a Vulcan one find themselves unknowingly heading to an encounter with the Starfleet ship.Reflections
episode S3.E5 september 2022Mariner and Boimler work the Starfleet recruitment booth at an alien job fair, Rutherford challenges himself.Hear All, Trust Nothing
episode S3.E6 september 2022The Cerritos crew unexpectedly spends a day on Deep Space 9.Trusted Sources
episode S3.E9 october 2022A visiting reporter on the Cerritos puts Captain Freeman on edge.The Stars at Night
episode S3.E10 october 2022The Cerritos crew must prove their worth in a mission race.Empathological Fallacies
episode S4.E5 september 2023The hedonistic outlook of a Betazoid delegation infects the crew.A Few Badgeys More
episode S4.E7 october 2023Three computerized villains return to cause problems for the Cerritos crew.Old Friends, New Planets
episode S4.E10 november 2023Mariner finds herself held as the hoped-for ally of the disgraced Nick Locarno, now a megalomaniacal insurrectionist armed with a rebel fleet and a destructively planet-reforming Genesis device.
- Second Contact
- Envoys
- Temporal Edict
- Moist Vessel
- Terminal Provocations
- Strange Energies
- Kayshon, His Eyes Open
- Mugato, Gumato
- Where Pleasant Fountains Lie
- I, Excretus
- Wej Duj
- Reflections
- Hear All, Trust Nothing
- Trusted Sources
- The Stars at Night
- Empathological Fallacies
- A Few Badgeys More
- Old Friends, New Planets