The space drama continues to bring new conflicts as Mars becomes more independent. For All Mankind Season 5 is now running on Apple TV+ , and fans are waiting for Episode 4. The show moved into the 2010s after the big Goldilocks asteroid event from Season 4. Happy Valley has grown into a large colony with thousands of people living on Mars. The main question now is about control. Earth governments want to keep power over the Martian colony, but the people on Mars want more freedom.
The season started on March 27, 2026 , and new episodes come out every Friday. Episode 3 released on April 10, 2026 , which means Episode 4 is coming very soon.
For All Mankind Season 5 Episode 4 Release Time and Streaming Platform
For All Mankind Season 5 Episode 4 is scheduled to release on Friday, April 17, 2026. The episode will be available only on Apple TV+. New episodes usually appear at 12:00 AM PT (Pacific Time). For viewers in different parts of the world, here is when you can watch:
- United States (ET): 3:00 AM on April 17
- United Kingdom (GMT): 7:00 AM on April 17
- Canada (ET): 3:00 AM on April 17
- Australia (AEST): 6:00 PM on April 17
- India (IST): 12:30 PM on April 17
Apple TV+ costs $12.99 per month in the US. New users can get a 7-day free trial before paying.
Episode 4 Title and the Full Season Release Schedule
The fourth episode of Season 5 is called “Open Source” . The season has 10 episodes in total, with new episodes dropping every Friday. Here is the complete schedule:
- Episode 1 – First Light (March 27, 2026) – Released
- Episode 2 – The Hard Six (April 3, 2026) – Released
- Episode 3 – Home (April 10, 2026) – Released
- Episode 4 – Open Source (April 17, 2026)
- Episode 5 – Svoboda (April 24, 2026)
- Episode 6 – No Sudden Moves (May 1, 2026)
- Episode 7 – The Sirens of Titan (May 8, 2026)
- Episode 8 – Brave New World (May 15, 2026)
- Episode 9 – Sons and Daughters (May 22, 2026)
- Episode 10 – This Land Is Our Land (May 29, 2026)
What Has Happened So Far in Season 5
Season 5 picks up after the events of Season 4. The Goldilocks asteroid, worth trillions of dollars, was redirected to Mars instead of Earth. This changed the balance of power. Helios CEO Dev Ayesa played a big part in making this happen. Now the colony on Mars is growing fast, and Earth is starting to question whether they should keep supporting the people on Mars.
Ed Baldwin , played by Joel Kinnaman , remains a key figure on Mars. His daughter Kelly Baldwin ( Cynthy Wu ) and grandson Alex are also part of the story. The relationship between Earth and Mars is becoming tense. Nationalism is a major theme this season, with countries on Earth questioning their commitment to the space program.
Main Cast of Season 5
The show has a large group of returning actors and new faces:
Returning Stars:
- Joel Kinnaman as Ed Baldwin
- Wrenn Schmidt as Margo Madison
- Edi Gathegi as Dev Ayesa
- Coral Peña as Aleida Rosales
- Toby Kebbell as Miles Dale
- Cynthy Wu as Kelly Baldwin
New Cast Members for Season 5:
- Mireille Enos as Celia Boyd
- Costa Ronin as Leonid Polivanov
- Sean Kaufman as Alex Poletov Baldwin
- Ruby Cruz as Lily Dale
- Ines Asserson as A.J. Jarrett
What to Expect from Episode 4 Open Source
Episode 4 will continue the conflict between Mars and Earth. The title “Open Source” suggests the episode may deal with sharing information, technology, or resources between the two worlds. With Earth governments trying to control Mars more tightly, the people on the Red Planet may have to make hard choices about their future.
The previous episode “Home” showed the growing divide. Episode 4 will likely push the story further toward the breaking point. Ed Baldwin and Dev Ayesa both want Mars to become independent, but they have different ideas about how to make that happen.
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Apple TV Has Renewed the Show for Season 6
Good news for fans of the series. Apple has already renewed For All Mankind for a sixth and final season. A spin-off series called Star City is also coming in 2026. The spin-off will focus on the Soviet space program and show events from the Russian point of view.
The show continues to be one of Apple TV+ ’s most popular original series. It started in 2019 and has built a loyal fan base over five seasons. The alternate history story, where the Soviet Union reached the Moon first, has kept viewers interested for years.
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