10.”Second Contact” (Star Trek: Lower Decks, Season 1, Episode 1)

Kicking off our list is the episode that introduces us to the enthusiastic and rule-bending Ensign Mariner. The series premiere “Second Contact” sets the tone for her character, providing a fresh take on life aboard a Starfleet vessel.

9.”Envoys” (Star Trek: Lower Decks, Season 1, Episode 2)

In “Envoys,” Mariner’s street smarts come to the forefront as she and Boimler escort an alien diplomat. The episode showcases her unconventional problem-solving skills and her ability to outthink her opponents.

8.”Moist Vessel” (Star Trek: Lower Decks, Season 1, Episode 4)

Mariner unwillingly shines in this episode when she is assigned the most tedious duties imaginable. Her attempts at slacking off ultimately lead to her saving the ship from disaster in classic Mariner fashion.

7.”Crisis Point” (Star Trek: Lower Decks, Season 1, Episode 9)

“Crisis Point” provides some serious character development for Mariner as she confronts her issues with authority and her mother through a holodeck simulation gone awry. This episode is a deep-dive into what makes Mariner tick.

6.”Temporal Edict” (Star Trek: Lower Decks, Season 1, Episode 3)

In “Temporal Edict,” Mariner butts heads with Captain Freeman over “buffer time”, leading to an unforgettable lesson in time management and resourcefulness while under organizational pressure.

5.”Cupid’s Errant Arrow” (Star Trek: Lower Decks, Season 1, Episode 5)

Jealousy and comedy collide when Mariner believes Boimler’s new girlfriend is too good to be true. The episode artfully combines humor with action as they navigate relationship pitfalls and reveal truths in classic Starfleet style.

4.”Veritas” (Star Trek: Lower Decks, Season 1, Episode 8)

A trial-like setting strips away the façade as each crew member recounts their own version of events surrounding a mission. Mariner’s perspective shines a light on her rebellious yet competent nature.

3.”No Small Parts” (Star Trek: Lower Decks, Season 1, Episode 10)

Season one’s finale sees Mariner stepping up as a leader and hero when the Cerritos faces an unexpected threat. Her unique brand of leadership is finally recognized by her mother in this defining moment for her character.

2.”We’ll Always Have Tom Paris” (Star Trek: Lower Decks, Season 2, Episode 3)

Mariner’s fandom comes into play when Voyager’s Tom Paris boards the Cerritos. This encounter provides comedic relief while also illustrating how much of a fan she is of Starfleet legends.

1.”Much Ado About Boimler” (Star Trek: Lower Decks, Season 1, Episode 7)

Topping our list is an episode that perfectly balances heartfelt moments with zany sci-fi twists. As Boimler grapples with an unexpected transporter side effect, Mariner shows both deep care for her friend and embodies peak ingenuity in dealing with bizarre circumstances – making it a standout in showcasing what fans love about Lieutenant Mariner’s role in “Star Trek: Lower Decks.”