8.1/10
After rebuilding civilization from stone tools to steam engines, Dr. Stone enters its final and most ambitious chapter with Dr. Stone: Science Future — Season 4 of the anime adaptation produced by TMS Entertainment.
Set 3,700 years after humanity was mysteriously petrified, the story once again follows scientific prodigy Senku Ishigami, who is determined to restore all of civilization through science.
Season 4 is structured into three split cours:
Cour 1: January 9 – March 27, 2025
Cour 2: July 10 – September 25, 2025
Cour 3: Premiering April 2026
This is the final arc — and it raises the stakes higher than ever before.
Dr. Stone Season 4 – Part 3 – Official Trailer
What Is Dr. Stone Season 4 About?
Season 4 immediately continues after the events of Season 3, as the Kingdom of Science sails to America in search of corn — the key ingredient for mass-producing revival fluid.
But instead of an empty continent, Senku encounters something shocking:
Another scientist.
Another civilization.
Another vision for the future.
Dr. Xeno, a former NASA scientist and Senku’s childhood mentor, has revived independently and built his own militarized scientific empire in California.
What follows is not just survival.
It is a war of ideologies — science for domination vs science for liberation.
Cour 1: America Arc – Doctor vs Doctor
The first cour introduces Dr. Xeno and his elite sniper, Stanley Snyder. Unlike Senku’s cooperative philosophy, Xeno believes in ruling the new world through force and superior technology.
Key developments include:
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The naval journey across the Pacific
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The debate between Senku and Ryusui over navigation routes
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Discovery of Xeno’s corn-powered industrial base
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Sniper attacks and aerial dogfights
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Senku being critically wounded
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Chrome engineering a tunneling strategy
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The eventual capture of Xeno
This arc feels more tactical and war-driven than previous seasons, with calculated maneuvers, espionage, and moral dilemmas replacing earlier lighthearted inventions.
The highlight is the psychological battle between Senku and Xeno — two geniuses who share history but differ radically in philosophy.
Cour 2: South America & The Medusa Revelation
After capturing Xeno, Senku sets course for the epicenter of the original petrification beam — the Amazon rainforest in Brazil.
This arc is heavier, darker, and more emotional than anything before it.
Major plot points include:
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Motorcycle escape across South America
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Crossing the Andes via a ropeway system
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Discovery of a massive pyramid of Medusa devices
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Diamond battery experimentation
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Stanley’s relentless pursuit
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A second global petrification event
The Medusa devices are revealed to be powered by diamonds, introducing one of the most intense scientific problem-solving arcs in the entire series.
The second worldwide petrification is arguably the most dramatic moment in Dr. Stone’s history — a desperate gamble that resets humanity once more.
Suika’s Arc – The Emotional Core of Season 4
One of the most powerful segments of Season 4 centers on Suika.
After the second petrification, she is revived alone.
For years.
She survives, gathers statues, studies Senku’s old roadmap, and painstakingly recreates revival fluid through trial and error.
When she finally revives Senku after seven years of solitude, it becomes one of the most emotionally satisfying moments in the series.
Dr. Stone has always celebrated science — but this arc celebrates perseverance.
Themes in the Final Season
1. Science as Power vs Science as Hope
Xeno believes science should establish order through strength.
Senku believes science should elevate everyone.
Season 4 frames this philosophical divide clearly.
2. Trust and Betrayal
Alliances shift. Xeno betrays. Stanley hesitates. Chrome rises. Even minor characters shape outcomes in critical ways.
3. Mortality and Immortality
The possibility that petrification can reverse death introduces an unsettling idea:
Should humanity pursue immortality?
The show wisely treats this as a moral dilemma rather than an easy triumph.
4. Humanity’s Final Frontier
By the end of Cour 2, the mission becomes clear:
Build a spaceship.
Go to the moon.
Confront Why-man.
Science Future truly lives up to its name.
Music and Production Highlights
For Cour 1:
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Opening: “Casanova Posse” by ALI
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Ending: “Rolling Stone” by Breimen
For Cour 2:
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Opening: “Supernova” by Kana-Boon
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Ending: “No Man’s World” by Otoha
TMS Entertainment maintains strong animation quality, particularly during:
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The aerial dogfight scenes
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The Amazon expedition
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The second petrification wave
While some action-heavy episodes rely on strategy over spectacle, the emotional beats remain strong.
Is Dr. Stone Season 4 Worth Watching?
If you’ve followed the series from the beginning, this is essential viewing.
Season 4:
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Expands the world globally
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Raises emotional stakes
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Deepens the science
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Introduces complex antagonists
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Sets up the moon mission finale
It is less comedic and more serious than early seasons, but that tonal shift fits the final arc.
If you enjoy science-driven storytelling mixed with strategy and character growth, Science Future delivers.
FAQ
Is Dr. Stone Season 4 the final season?
Yes. Dr. Stone: Science Future is the fourth and final season, split into three cours, concluding in 2026.
How many episodes are in Season 4?
The season spans three cours. The first two aired 24 episodes total (2025), with the final cour premiering in April 2026.
Who is Dr. Xeno?
Dr. Xeno is a former NASA scientist and Senku’s childhood mentor who builds a rival scientific civilization in America.
What happens after the second petrification?
Suika survives alone for years and eventually recreates revival fluid, reviving Senku and restarting humanity’s restoration.
Will they go to the moon?
Yes. The final arc centers on building a spacecraft to confront Why-man on the moon.
Conclusion
Dr. Stone Season 4 is not just another adventure arc — it is the culmination of everything the series has built since episode one.
From primitive fire to modern rockets.
From caves to aircraft carriers.
From revival fluid to space travel.
Science Future proves that Dr. Stone was never only about rebuilding the past — it was always about reaching the future.
And that future now lies on the moon.
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