The First

What's Needed

With the mission in danger of being shut down, the Vista team travels to Washington to testify before Congress. Meanwhile, the Castillo family pursues their lawsuit against Vista. Tom and his daughter Denise work to repair their relationship.

Cycles

Kayla and Tom find themselves at odds when faced with a difficult decision. A problem arises with the Mars Ascent Vehicle (MAV) that may jeopardize the crew's safety. Aiko hosts a dinner party to celebrate Sadie and Ollie's wedding anniversary.

Where Life Is

Sadie and Ollie's marriage is tested. Laz works with the engineers as pressure builds to find a solution to the MAV malfunction. Tom and Ellen grow closer.

Two Portraits

Denise confronts her turbulent upbringing as she paints a portrait of her late mother, revisiting a lifetime of joy and trauma.

Collisions

Laz attempts to sway an influential reporter who is critical of the Mars program. Aiko and Eitan test a solution to the MAV problem. An incident with Denise forces Tom to reconsider his priorities.