Threshold
Personal and professional relationships get more intense on Earth and aboard the Antares. In the meantime, the Antares' crew undergoes cellular and psychological transformations which is caused by the unseen power behind the mission.
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S1 E1
Pilot
Eight Astronauts-four men and four women-prepare for a six year journey aboard the Antares.
S1 E2
Natural Selection
A secret element in Storage Pod 4 affects the crew which leads to a dangerous crisis. Meanwhile, Ted's wife Eve Shaw reveals the true nature of the mission to him.
S1 E4
H2IK
The Antares crew loses control over power, heat and gravity after a series of system failures and has to face its first major crisis.
S1 E5
Rubicon
The Antares crosses a point of no return and turning back to Earth is no longer an option. In the meantime, each of the crew members has to cope with a personal point of no return.