Episode 1 | Polaris

Nearly 10 years have passed. Danielle and Ed attend a celebration, where things take a terrifying turn.

Episode 2 | Game Changer

A commercial spaceflight company makes an announcement. The choice over who'll command the Mars mission leads to a shift in personnel.

Episode 3 | All In

As NASA scrambles to prepare for the launch to Mars, Margo is confronted with a harsh personal reality.

Episode 4 | Happy Valley

A surprise maneuver during the journey to Mars provokes desperate measures.

Episode 5 | Seven Minutes of Terror

The race to land first on Mars brings together unexpected allies.

Episode 6 | New Eden

The astronauts move quickly to build Martian bases.

Episode 7 | Bring It Down

A joint mission brings about conflict between crew members.

Episode 8 | The Sands of Ares

After a sudden crisis, the Martian crews pull together.

Episode 9 | Coming Home

Plans to leave Mars are complicated by an unforeseen issue.

Episode 10 | Stranger in a Strange Land

The Martian crew debates how to save the life of one of their own.