From Bill Brioux of TV Feeds My Family:
10 p.m. – DEFYING GRAVITY – “H2IK†– ALL-NEW EPISODE
The crew of the Antares face their first major crisis when the ship inexplicably begins to shut down all of its operating systems, causing the sudden failure of power, heat and gravity controls, and plunging everyone aboard into chaos during the desperate search for a solution.
10 p.m. – DEFYING GRAVITY – “Threshold†– ALL-NEW EPISODE
Taboos are broken and lines are crossed as personal and professional relationships aboard the Antares and on Earth continue to intensify. The unseen power behind the mission begins to create both cellular and psychological transformations among the astronauts.
From James Hibberd at the Hollywood Reporter: