Episode 1: Glasnost
2023-11-0971 min
Eight years later, a new mission begins: Capture an asteroid. Aleida and Danielle are still haunted by events from the past.
Season guide
For All Mankind Season 4 — Episodes and Where to Watch
10 episodes · first aired 2023-11-09
Rocketing into the new millennium in the eight years since season three, Happy Valley has rapidly expanded its footprint on Mars by turning former foes into partners. Now 2003, the focus of the space program has turned to the capture and mining of extremely valuable, mineral-rich asteroids that could change the future of both Earth and Mars. But simmering tensions between the residents of the now-sprawling international base threaten to undo everything they are working towards.
Episode guide
Episode 2: Have a Nice Sol
2023-11-1656 min
New Helios employees arrive on Mars as NASA undergoes major changes.
Episode 3: The Bear Hug
2023-11-2174 min
Miles tries to make ends meet. Margo finds herself pulled into a dangerous situation.
Episode 4: House Divided
2023-11-3062 min
An accident on Mars strains relationships, while Miles embarks on a risky venture.
Episode 5: Goldilocks
2023-12-0760 min
A discovery sends teams across Earth and Mars scrambling for answers.
Episode 6: Leningrad
2023-12-1459 min
Unlikely partnerships are formed at a high-stakes international conference.
Episode 7: Crossing the Line
2023-12-2146 min
A group on Mars takes drastic measures. Margo grapples with a new assignment.
Episode 8: Legacy
2023-12-2855 min
Plans are made with interplanetary ramifications. Ed begins working with an unexpected partner.
Episode 9: Brazil
2024-01-0450 min
Things start to go awry just as an important mission approaches a critical juncture.
Episode 10: Perestroika
2024-01-1181 min
Tensions on Earth and Mars come to a head.
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