Seasons & Episodes
Red Moon
NASA is in crisis as the Soviets land the first man on the moon in 1969, the beginning of an alternate history.
He Built the Saturn V
Director von Braun opposes President Nixon's directive, with dire consequences.
Nixon's Women
Deke must recruit female astronauts after Russia lands a woman on the moon.
Prime Crew
A training accident spurs a national debate about women astronauts.
Into the Abyss
Ed and the crew change Apollo 15's landing site after lunar ice is detected.
Home Again
A launchpad accident leads to delayed missions and FBI background checks.
Hi Bob
Ed, Gordo, and Danielle struggle with an extended Jamestown mission.
Rupture
NASA preps a Jamestown relief mission, while Karen waits for news at the hospital.
Bent Bird
A crisis in space puts the Apollo 24 and 25 crews in peril.
A City Upon a Hill
Ed handles a trespasser. Ellen and Deke chart a new course without Mission Control.
Every Little Thing
Nearly a decade later, technology and lunar exploration have taken huge strides—but a solar storm threatens the astron
The Bleeding Edge
Margo must lead a seemingly impossible mission. Danielle wants to return to the moon. Gordo grapples with life on Earth.
Rules of Engagement
A dispute on the moon prompts NASA officials to consider arming astronauts. Ed’s past comes back to haunt him.
Pathfinder
With a little help from Molly, Ed plans a career change—as his old Jamestown crewmates Gordo and Danielle struggle.
The Weight
Ed's reckless behavior at NASA shakes the foundation of the Baldwin family. Tracy attempts to readapt to life in space.
Best-Laid Plans
American astronauts and NASA leadership prepare for a new mission with unlikely partners. Ellen gets in touch with an ol
Don't Be Cruel
Ellen is challenged by her new role. Margo’s allegiances are put to the test. Karen explores new opportunities—perso
And Here's to You
Gordo returns to space. Molly faces an upsetting new reality. Aleida confronts her first major hurdle at work.
Triage
The rivalry between American astronauts and Soviet cosmonauts intensifies as last-minute changes impact the Pathfinder m
The Grey
Tensions between the U.S. and the Soviet Union reach an all-time high on the moon, throwing multiple missions into jeopa
Polaris
Nearly 10 years have passed. Danielle and Ed attend a celebration, where things take a terrifying turn.
Game Changer
A commercial spaceflight company makes an announcement. The choice over who'll command the Mars mission leads to a shift
All In
As NASA scrambles to prepare for the launch to Mars, Margo is confronted with a harsh personal reality.
Happy Valley
A surprise maneuver during the journey to Mars provokes desperate measures.
Seven Minutes of Terror
The race to land first on Mars brings together unexpected allies.
New Eden
The astronauts move quickly to build Martian bases.
Bring It Down
A joint mission brings about conflict between crew members.
The Sands of Ares
After a sudden crisis, the Martian crews pull together.
Coming Home
Plans to leave Mars are complicated by an unforeseen issue.
Stranger in a Strange Land
The Martian crew debates how to save the life of one of their own.
Glasnost
Eight years later, a new mission begins: Capture an asteroid. Aleida and Danielle are still haunted by events from the p
Have a Nice Sol
New Helios employees arrive on Mars as NASA undergoes major changes.
The Bear Hug
Miles tries to make ends meet. Margo finds herself pulled into a dangerous situation.
House Divided
An accident on Mars strains relationships, while Miles embarks on a risky venture.
Goldilocks
A discovery sends teams across Earth and Mars scrambling for answers.
Leningrad
Unlikely partnerships are formed at a high-stakes international conference.
Crossing the Line
A group on Mars takes drastic measures. Margo grapples with a new assignment.
Legacy
Plans are made with interplanetary ramifications. Ed begins working with an unexpected partner.
Brazil
Things start to go awry just as an important mission approaches a critical juncture.
Perestroika
Tensions on Earth and Mars come to a head.
First Light
Nine years after the Goldilocks asteroid heist, Happy Valley has grown into a thriving colony. But an unsettling discove
The Hard Six
Ed rallies Happy Valley's residents in support of one of their own. Kelly refuses to back down from an opportunity.
Home
The consequences of Ed's actions begin to play out. Aleida finds an unexpected solution to her problem.
Open Source
Alex takes Ed's advice and finds a new project to focus on: a job at Helios.
Svoboda
Chaos erupts on Mars following a shocking revelation.
No Sudden Moves
A desperate group of Marsies tries to rectify a dangerous situation.
The Sirens of Titan
A fatal miscalculation puts the Titan mission in jeopardy. Dev makes a drastic decision.
Brave New World
The Titan crew weighs a risky move, while Mars struggles to keep up morale.
Sons and Daughters
The Marsies formulate a plan. Kelly faces a major setback.
This Land Is Our Land
The resilience of Mars is put to the test.
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