Season 4 Plot
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.
For All Mankind Season 4 aired on November 8th, 2023.
Season 4 Episodes
1. Glasnost
Eight years later, a new mission begins: Capture an asteroid. Aleida and Danielle are still haunted by events from the past.
2. Have a Nice Sol
New Helios employees arrive on Mars as NASA undergoes major changes.
3. The Bear Hug
Miles tries to make ends meet. Margo finds herself pulled into a dangerous situation.
4. House Divided
An accident on Mars strains relationships, while Miles embarks on a risky venture.
5. Goldilocks
A discovery sends teams across Earth and Mars scrambling for answers.
6. Leningrad
Unlikely partnerships are formed at a high-stakes international conference.
7. Crossing the Line
A group on Mars takes drastic measures. Margo grapples with a new assignment.
8. Legacy
Plans are made with interplanetary ramifications. Ed begins working with an unexpected partner.
9. Brazil
Things start to go awry just as an important mission approaches a critical juncture.
10. Perestroika
Tensions on Earth and Mars come to a head.
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