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02/20/2026 | News release | Distributed by Public on 02/20/2026 13:28
'Invincible' recap: What to know about the Prime Video series ahead of Season 4
Key takeaways
- InvincibleSeason 4 premieres March 18 on Prime Video.
- The animated series follows Mark Grayson as he inherits superhuman powers from his father, Omni-Man.
- The show stars Steven Yeun, Sandra Oh, and J.K. Simmons.
Based on the award-winning comic book seriesby co-creators Robert Kirkman and Cory Walker, and contributing creator Ryan Ottley, Invinciblestars Steven Yeun, Sandra Oh, and J.K. Simmons. In Season 4, the world recovers from catastrophe as a changed Mark fights to defend his home and the people he loves.
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Season 4 will premiere on March 18 with the first three episodes, with each new episode rolling out weekly throughout the eight-episode season.
If you're craving a refresher ahead of Season 4, here's a rundown of what happened over the past three seasons to catch you up.
What is 'Invincible' about?
Mark Grayson with his father, Omni-Man
The animated superhero series follows the evolution of Mark Grayson, a teenager who learns he has inherited superhuman powers from his father, Nolan, also known as the superhero Omni-Man.
The coming-of-age story centers on Mark as he becomes Earth's greatest defender, only to discover the job is tougher than he could have ever imagined. Everything changes as Mark is forced to face his past and his future, while evolving into a good-hearted guardian for his planet, loved ones, and friends.
Who stars in 'Invincible'?
The animated series stars Yeun as the title character Invincible/Mark Grayson. Simmons, voices Nolan Grayson, aka Omni-Man, while Sandra Oh voices Debbie Grayson.
The cast of voice actors also includes Gillian Jacobs, Seth Rogen, Walton Goggins, Jeffrey Dean Morgan, Jason Mantzoukas, Zazie Beetz, Grey DeLisle, Zachary Quinto, Chris Diamantopoulos, Ross Marquand, Khary Payton, Andrew Rannells, Kevin Michael Richardson, Ben Schwartz, Clancy Brown, Jay Pharoah, Mark Hamill, and Melise. Matthew Rhys, Lee Pace, and Danai Gurira joined the voice cast in Season 4.
'Invincible' Season 4 premieres March 18 on Prime Video-see the trailer
Prime Video's animated superhero series returns with dangerous new villains and higher stakes, including Lee Pace as Thragg.
What to know about Season 1
Invincible fighting Omni-Man
Mark thinks he's just a normal teenager from Earth. That is, until he begins to develop powers thanks to his father, who is a Viltrumite from the planet Viltrum.
Mark becomes the superhero named Invincible with help from his father. But as the tutelage continues, Mark eventually learns that Omni-Man is more villainous than heroic, culminating in an epic battle between father and son.
Other notable characters this season include his love interest, Amber (Beetz), classmate and friend Samantha "Atom Eve" Wilkins (Jacobs), a telepathic alien named Allen the Alien (Seth Rogan), a multiplying superhero named Dupli-Kate (Melise), Cecil Steadman (Goggins), the enigmatic director of the Global Defense Agency, and the Guardians of the Globe, a group of superhumans that protect Earth.
What to know about Season 2
Mark tries, and fails, to juggle his personal life and his life as a burgeoning superhero.
Season 2 picks up about a month after the Season 1 finale. Mark tries, and fails, to juggle his personal life with Amber and his life as a burgeoning superhero after the events from his battle with his father. Mark reunites with Omni-Man on the planet Thraxa and meets his Viltrumite-Thraxan younger half brother Oliver, whom he takes back home to Earth.
This season also marks the debut of the villainous and maniacal Angstrom Levy (Sterling K. Brown) and Anissa (Shantel VanSanten), the threatening Viltrumite warrior. A bigger, stronger, and more resilient Allen the Alien returns in Season 2 and attempts to recruit Mark for the Coalition of Planets.
Mark explains that his relationships with his mother and Oliver, and graduating from high school, come first. But, to help out, Mark gives Allen books Omni-Man wrote about the Viltrumites that can help the Coalition win the war. Allen later allows Anissa to capture him so he can infiltrate the Viltrumites from within.
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What to know about Season 3
Steven Yeun (Invincible), Jeffrey Dean Morgan (Conquest)
Season 3 follows Mark and Cecil as their philosophies clash in fundamental ways. The consequences of Mark's actions is also a major plot point, as he questions if he can be himself and a superhero, too. Such introspection intensifies when Mark and his superhero friends have to defeat 18 multiversal variants of Invincible deployed by the villain Angstrom. Rex Splode (Jason Matzoukas) sacrifices his life to defeat one of the evil Invincibles.
The victory over the variants, and the chance to recover and mourn, is short-lived because Conquest (Jeffrey Dean Morgan), a violence-loving Viltrumite, shows up to pummel Mark to a bloody pulp. With help from Eve, Mark takes down Conquest and ends up in a monthlong coma.
A blossoming romance also emerges between Eve and Mark.
Noteworthy characters in Season 3 include the energy-absorbing villain Powerplex (Aaron Paul), an older Oliver Grayson (Christian Convery), a budding superhero within his own right, and Dupli-Kate's twin brother, Multi-Paul (Simu Liu).
Perhaps this intelligent character development and storytelling is what made Season 3 of InvinciblePrime Video's most watched animation season of all time, marking the biggest returning season of all time across all Prime Video's Adult Animation Originals.
Season 3 was also nominated for the 2025 Critics' Choice Award for Best Animated Series, and also scored Primetime Emmy Award nominations in 2024 and 2025.
What is Season 4 of 'Invincible' about?
In Season 4, Mark and his fellow heroes face unprecedented chaos as they confront formidable new adversaries, including Thragg (Lee Pace), Dinosaurus (Matthew Rhys), and Universa (Danai Gurira).
As humanity rebuilds from the disaster depicted in Season 3, a transformed Mark must defend his world and loved ones, leading him toward an inevitable confrontation with a menace that threatens to reshape humanity's destiny. This season escalates both the dangers and the stakes, forcing Invincible, Atom Eve, and the Guardians of the Globe into a fight to preserve the planet.
Making matters more complicated, Omni-Man returns to Earth to help out. But can Mark trust him?
What else can I watch on Prime Video?
Check out others like The Lord of the Rings: The Rings of Power, The Legend of Vox Machina,Fallout, The Boys, and Ballard. You can also stream original movieslike The Wrecking Crewand Road House, and rent or buy blockbusters like Wicked: For Goodand Zootopia 2.
Programming from partners such as HBO Max, Apple TV, Crunchyroll, and MGM+are also available via Prime Video subscriptions, as well as more than 800 free ad-supported (FAST) channels.
Next, learn how to use Prime Video's "Shop the Show"feature to discover products from your favorite content.
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