Seasons & episodes

S4 · E1Glasnost 8.0 / 10 · 1 published rating 2023-11-09 · 71 min＋

Eight years later, a new mission begins: Capture an asteroid. Aleida and Danielle are still haunted by events from the past.

S4 · E2Have a Nice Sol 8.5 / 10 · 1 published rating 2023-11-16 · 56 min＋

New Helios employees arrive on Mars as NASA undergoes major changes.

S4 · E3The Bear Hug 8.0 / 10 · 1 published rating 2023-11-21 · 74 min＋

Miles tries to make ends meet. Margo finds herself pulled into a dangerous situation.

S4 · E4House Divided 8.0 / 10 · 1 published rating 2023-11-30 · 62 min＋

An accident on Mars strains relationships, while Miles embarks on a risky venture.

S4 · E5Goldilocks 8.5 / 10 · 1 published rating 2023-12-07 · 60 min＋

A discovery sends teams across Earth and Mars scrambling for answers.

S4 · E6Leningrad 8.0 / 10 · 1 published rating 2023-12-14 · 59 min＋

Unlikely partnerships are formed at a high-stakes international conference.

S4 · E7Crossing the Line 8.5 / 10 · 1 published rating 2023-12-21 · 46 min＋

A group on Mars takes drastic measures. Margo grapples with a new assignment.

S4 · E8Legacy 8.5 / 10 · 1 published rating 2023-12-28 · 55 min＋

Plans are made with interplanetary ramifications. Ed begins working with an unexpected partner.

S4 · E9Brazil 8.5 / 10 · 1 published rating 2024-01-04 · 50 min＋

Things start to go awry just as an important mission approaches a critical juncture.

S4 · E10Perestroika 9.0 / 10 · 1 published rating 2024-01-11 · 81 min＋

Tensions on Earth and Mars come to a head.