S03E04: Happy Valley
A surprise maneuver during the journey to Mars provokes desperate measures.
Previous Episode 
Season 1
Red Moon
S1E1 / 01 Nov 2019
He Built the Saturn V
S1E2 / 01 Nov 2019
Nixon's Women
S1E3 / 01 Nov 2019
Prime Crew
S1E4 / 08 Nov 2019
Into the Abyss
S1E5 / 15 Nov 2019
Home Again
S1E6 / 22 Nov 2019
Hi Bob
S1E7 / 28 Nov 2019
Rupture
S1E8 / 06 Dec 2019
Bent Bird
S1E9 / 13 Dec 2019
A City Upon a Hill
S1E10 / 20 Dec 2019
Season 2
Every Little Thing
S2E1 / 19 Feb 2021
The Bleeding Edge
S2E2 / 26 Feb 2021
Rules of Engagement
S2E3 / 05 Mar 2021
Pathfinder
S2E4 / 12 Mar 2021
The Weight
S2E5 / 19 Mar 2021
Best-Laid Plans
S2E6 / 26 Mar 2021
Don't Be Cruel
S2E7 / 02 Apr 2021
And Here's to You
S2E8 / 09 Apr 2021
Triage
S2E9 / 16 Apr 2021
The Grey
S2E10 / 23 Apr 2021
Season 3
Polaris
S3E1 / 09 Jun 2022
Game Changer
S3E2 / 16 Jun 2022
All In
S3E3 / 23 Jun 2022
Happy Valley
S3E4 / 30 Jun 2022
Seven Minutes of Terror
S3E5 / 07 Jul 2022
New Eden
S3E6 / 14 Jul 2022
Bring It Down
S3E7 / 21 Jul 2022
The Sands of Ares
S3E8 / 28 Jul 2022
Coming Home
S3E9 / 04 Aug 2022
Stranger in a Strange Land
S3E10 / 11 Aug 2022
Season 4
Glasnost
S4E1 / 09 Nov 2023
Have a Nice Sol
S4E2 / 16 Nov 2023
The Bear Hug
S4E3 / 21 Nov 2023
House Divided
S4E4 / 30 Nov 2023
Goldilocks
S4E5 / 07 Dec 2023
Leningrad
S4E6 / 14 Dec 2023
Crossing the Line
S4E7 / 21 Dec 2023
Legacy
S4E8 / 28 Dec 2023
Brazil
S4E9 / 04 Jan 2024
Perestroika
S4E10 / 11 Jan 2024
Joel Kinnaman
Ed Baldwin
Toby Kebbell
Miles Dale
Edi Gathegi
Dev Ayesa
Cynthy Wu
Kelly Baldwin
Coral Peña
Aleida Rosales
Wrenn Schmidt
Margo Madison
Mireille Enos
Celia Boyd
