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The Best Episodes of For All Mankind

Every episode of For All Mankind ranked from best to worst. Let's dive into the Best Episodes of For All Mankind!

Binge this in 1d 20h•Peaking at 8.3/10

Explore an aspirational world where NASA and the space program remained a priority and a focal point of our hopes and dreams as told through the lives of NASA astronauts, engineers, and their families.

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Episode Rankings

  1. #1 Fan Favorite
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    For All Mankind Season 5 Episode 4 - Open Source
    8.3/10(3 votes)

    #1 - Open Source

    S5:E4

    Alex takes Ed's advice and finds a new project to focus on: a job at Helios.

    Director:Meera Menon
    Writer:Sabrina Almeida

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  2. For All Mankind Season 2 Episode 10 - The Grey
    8.0/10(42 votes)

    #2 - The Grey

    S2:E10

    Tensions between the U.S. and the Soviet Union reach an all-time high on the moon, throwing multiple missions into jeopardy.

    Director:Sergio Mimica-Gezzan
    Writers:Ben Nedivi, Matt Wolpert

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  3. For All Mankind Season 4 Episode 10 - Perestroika
    8.0/10(29 votes)

    #3 - Perestroika

    S4:E10

    Tensions on Earth and Mars come to a head.

    Director:Sergio Mimica-Gezzan
    Writers:Ben Nedivi, Matt Wolpert

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  4. For All Mankind Season 3 Episode 10 - Stranger in a Strange Land
    7.6/10(34 votes)

    #4 - Stranger in a Strange Land

    S3:E10

    The Martian crew debates how to save the life of one of their own.

    Director:Craig Zisk
    Writers:Ben Nedivi, Matt Wolpert

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  5. For All Mankind Season 1 Episode 5 - Into the Abyss
    7.5/10(42 votes)

    #5 - Into the Abyss

    S1:E5

    Ed and the crew change Apollo 15's landing site after lunar ice is detected.

    Director:Sergio Mimica-Gezzan
    Writers:David Weddle, Bradley Thompson

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  6. For All Mankind Season 3 Episode 4 - Happy Valley
    7.5/10(32 votes)

    #6 - Happy Valley

    S3:E4

    A surprise maneuver during the journey to Mars provokes desperate measures.

    Director:Wendey Stanzler
    Writer:Joe Menosky

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    The 20 WORST Episodes of For All Mankind

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  7. For All Mankind Season 1 Episode 9 - Bent Bird
    7.4/10(42 votes)

    #7 - Bent Bird

    S1:E9

    A crisis in space puts the Apollo 24 and 25 crews in peril.

    Director:John Dahl
    Writers:David Weddle, Bradley Thompson

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  8. For All Mankind Season 2 Episode 1 - Every Little Thing
    7.4/10(43 votes)

    #8 - Every Little Thing

    S2:E1

    Nearly a decade later, technology and lunar exploration have taken huge strides—but a solar storm threatens the astronauts on Jamestown.

    Director:Michael Morris
    Writer:Ronald D. Moore

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  9. For All Mankind Season 1 Episode 3 - Nixon's Women
    7.3/10(44 votes)

    #9 - Nixon's Women

    S1:E3

    Deke must recruit female astronauts after Russia lands a woman on the moon.

    Director:Allen Coulter
    Writer:Nichole Beattie

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  10. For All Mankind Season 1 Episode 10 - A City Upon a Hill
    7.3/10(47 votes)

    #10 - A City Upon a Hill

    S1:E10

    Ed handles a trespasser. Ellen and Deke chart a new course without Mission Control.

    Director:John Dahl
    Writers:Ben Nedivi, Matt Wolpert

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  11. For All Mankind Season 3 Episode 5 - Seven Minutes of Terror
    7.3/10(26 votes)

    #11 - Seven Minutes of Terror

    S3:E5

    The race to land first on Mars brings together unexpected allies.

    Director:Andrew Stanton
    Writer:Sabrina Almeida

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  12. For All Mankind Season 4 Episode 7 - Crossing the Line
    7.3/10(25 votes)

    #12 - Crossing the Line

    S4:E7

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

    Director:Maja Vrvilo
    Writer:Andrew Black

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  13. For All Mankind Season 4 Episode 9 - Brazil
    7.3/10(26 votes)

    #13 - Brazil

    S4:E9

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

    Director:Sergio Mimica-Gezzan
    Writers:David Weddle, Bradley Thompson, Kate Burns

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  14. For All Mankind Season 1 Episode 7 - Hi Bob
    7.2/10(42 votes)

    #14 - Hi Bob

    S1:E7

    Ed, Gordo, and Danielle struggle with an extended Jamestown mission.

    Director:Meera Menon
    Writer:Ronald D. Moore

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  15. For All Mankind Season 1 Episode 8 - Rupture
    7.2/10(44 votes)

    #15 - Rupture

    S1:E8

    NASA preps a Jamestown relief mission, while Karen waits for news at the hospital.

    Director:Meera Menon
    Writer:Nichole Beattie

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  16. For All Mankind Season 2 Episode 9 - Triage
    7.2/10(38 votes)

    #16 - Triage

    S2:E9

    The rivalry between American astronauts and Soviet cosmonauts intensifies as last-minute changes impact the Pathfinder mission plan.

    Director:Sergio Mimica-Gezzan
    Writers:David Weddle, Bradley Thompson

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  17. For All Mankind Season 3 Episode 1 - Polaris
    7.2/10(39 votes)

    #17 - Polaris

    S3:E1

    Nearly 10 years have passed. Danielle and Ed attend a celebration, where things take a terrifying turn.

    Directors:Sarah Boyd, Sarah Boyd
    Writers:Ben Nedivi, Matt Wolpert

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  18. For All Mankind Season 4 Episode 3 - The Bear Hug
    7.2/10(28 votes)

    #18 - The Bear Hug

    S4:E3

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

    Director:Dan Liu
    Writer:Andrew Black

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  19. For All Mankind Season 2 Episode 3 - Rules of Engagement
    7.1/10(36 votes)

    #19 - Rules of Engagement

    S2:E3

    A dispute on the moon prompts NASA officials to consider arming astronauts. Ed’s past comes back to haunt him.

    Director:Andrew Stanton
    Writer:Stephanie Shannon

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  20. For All Mankind Season 4 Episode 6 - Leningrad
    7.1/10(26 votes)

    #20 - Leningrad

    S4:E6

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

    Director:Sylvain White
    Writer:Eric W. Phillips

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  21. For All Mankind Season 4 Episode 1 - Glasnost
    7.0/10(28 votes)

    #21 - Glasnost

    S4:E1

    Eight years later, a new mission begins: Capture an asteroid. Aleida and Danielle are still haunted by events from the past.

    Director:Lukas Ettlin
    Writers:Ben Nedivi, Matt Wolpert

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  22. For All Mankind Season 2 Episode 8 - And Here's to You
    6.9/10(35 votes)

    #22 - And Here's to You

    S2:E8

    Gordo returns to space. Molly faces an upsetting new reality. Aleida confronts her first major hurdle at work.

    Director:Dennie Gordon
    Writer:Ronald D. Moore

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  23. For All Mankind Season 3 Episode 9 - Coming Home
    6.9/10(34 votes)

    #23 - Coming Home

    S3:E9

    Plans to leave Mars are complicated by an unforeseen issue.

    Director:Craig Zisk
    Writers:David Weddle, Bradley Thompson

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  24. For All Mankind Season 4 Episode 8 - Legacy
    6.9/10(24 votes)

    #24 - Legacy

    S4:E8

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

    Director:Maja Vrvilo
    Writers:David Weddle, Bradley Thompson

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  25. For All Mankind Season 1 Episode 1 - Red Moon
    6.8/10(63 votes)

    #25 - Red Moon

    S1:E1

    NASA is in crisis as the Soviets land the first man on the moon in 1969, the beginning of an alternate history.

    Director:Seth Gordon
    Writer:Unknown

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Best Episodes Summary

"Open Source" is the best rated episode of "For All Mankind". It scored 8.3/10 based on 3 votes. Directed by Meera Menon and written by Sabrina Almeida, it aired on 4/16/2026. This episode scored 0.3 points higher than the second highest rated, "The Grey".