Season 4

10 EPISODES • 2023

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.

Season 3

Episodes

1: Glasnost

Nov 9, 2023

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

Nov 16, 2023

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

3: The Bear Hug

Nov 21, 2023

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

4: House Divided

Nov 30, 2023

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

5: Goldilocks

Dec 7, 2023

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

6: Leningrad

Dec 14, 2023

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

7: Crossing the Line

Dec 21, 2023

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

8: Legacy

Dec 28, 2023

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

9: Brazil

Jan 4, 2024

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

10: Perestroika

Jan 11, 2024

Tensions on Earth and Mars come to a head.

Season 5

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