After suffering a disaster, the remaining crew of spaceship Ark One must band together to survive.
The crew struggles to establish order, while investigations uncover more questions than answers.
All hope seems lost when the crew learns an asteroid is hours away from impact.
When their psyches are put to the test by hallucinations, the crew must race to find the cause.
Sacrifices must be made when a radiation leak sparks crisis.
The crew must devise a plan after identifying a planet rich in much-needed fuel.
The crew discover they're not alone in space and learn more about where they came from.
A new polarizing figure enters the equation as the crew suffers technical difficulties.
After an unpopular decision, discord gives way to deadly mutiny in which loyalties are tested.
The situation onboard Ark One seems hopeless after crew members are taken hostage.
The crew must understand their enemy better as they attempt a dangerous rescue mission.
Ark One tries to broker peace with their adversary but don't realize it could cost them everything.
The crew must decide the best way forward with or without help from their nemesis, Evelyn Maddox.
The arrival of new crew members presents questions of who can be trusted and what to do with them.
An unexpected visitor wreaks havoc on the ship's electrical system.
When two realities intertwine, two theories on what could and shouldn't have been are revealed.
A disturbing rescue mission raises questions about Eva's past.
When a distress call leads to a desolate planet, what the crew finds turns everything on its head.
After an attempted murder, the crew work together to find who's responsible before it's too late.
The ship is taken under siege and the crew must outsmart the mutineers to save themselves.
Garnet has her work cut out for her when she attempts diplomacy with a longstanding enemy.
Garnet and Ian are trapped in the empty ship where they may remain for the rest of their lives.
Strickland is presented with an impossible choice.
The crew arrives somewhere that seems too good to be true, and it just might be.
The colony faces new challenges, while Ark One's latest rescue mission proves its toughest yet.
Strickland leads a search party as Garnet meets a new foe. A power struggle erupts on Ark 1.
Garnet and Ian hatch an escape plan while a mysterious explosion rocks Homebase.
On Homebase, a new arrival raises more questions; the team attempts a rescue.
A mysterious signal leads back to Ross. An investigation on Homebase takes an unexpected turn.
On Ark One, time takes on a whole new meaning - while sinister forces are revealed on Homebase.
Ark One uncovers a ship in distress as Homebase learns shocking truths about the planet's past.
Brice nears the breaking point while the crew investigates a secret organization.
Scientific research leads to a billionaire's space station as Homebase pieces the puzzle together.
An act of kindness leads to obsession. Eva and Brice fall victim to a strange phenomenon.
Ark One returns to Ark 22 with a plan. Homebase's mystery is solved - but it might be too late.
As Garnet embarks on a rescue mission, the entire crew must face an existential threat to Homebase.
