8.8
/10
Keiko O'Brien is a fictional character portrayed by Rosalind Chao in the TV series Star Trek: The Next Generation.
In the first episode they appeared in, titled Data's Day (season 4), they were 33 years old.
They appear in 8 episodes out of a total of 176 aired

Keiko O'Brien

by Rosalind Chao

character

Episodes8

  • 8.1
    /10

    Data's Day
    episode S4.E11 january 1991
    Data tries to comprehend the complex emotions between O'Brien and Keiko, who are about to be married.
  • 8.1
    /10

    The Wounded
    episode S4.E12 january 1991
    After being fired upon by a Cardassian vessel, Picard races against time to find out the facts behind the Cardassian commander's claim that the Federation attacked one of their outposts.
  • 7.1
    /10

    Night Terrors
    episode S4.E17 march 1991
    The Enterprise gets trapped in a Tyken's Rift, an energy-absorbing rupture in space, where all but Data, Troi and Guinan experience rising hallucinations and paranoia.
  • 7.1
    /10

    In Theory
    episode S4.E25 june 1991
    When a female crew member is infatuated with Lieutenant Commander Data, he decides to give a romantic relationship a try. Also, the Enterprise finds itself having to maneuver through a dangerous nebula.
  • 7.9
    /10

    Disaster
    episode S5.E5 october 1991
    Collision with a quantum filament leaves Troi in charge of a damaged and endangered Enterprise with emergency bulkheads cutting off sections of the ship.
  • 6.2
    /10

    Violations
    episode S5.E12 february 1992
    Transporting three Ullian mind-probing historians, the Enterprise crew is stymied when some of its members fall into a coma. Deanna Troi, the first crew member to come through it, cannot recall anything surrounding the incident.
  • 7.3
    /10

    Power Play
    episode S5.E15 february 1992
    A long-lost ship is found on a planet where cosmic storms prevented detection for 200 years. When a surface landing goes wrong, the away team is beamed back...with a few extra surprises.
  • 7.2
    /10

    Rascals
    episode S6.E7 october 1992
    An emergency beam out renders four crewmen down to childhood shortly before renegade Ferengi take over the Enterprise and offload the adults.