Invincible
Season 4
Promotional poster
Starring
  • Steven Yeun
  • Sandra Oh
  • J. K. Simmons
No. of episodes 7
Release
Original network Amazon Prime Video
Original release March 18, 2026 (2026-03-18) –
present
Season chronology
← Previous
Season 3
List of episodes

The fourth season of the American adult animated superhero series Invincible, based on the comic book series of the same name, was created for television by comic book writer Robert Kirkman who also wrote the comics. The season was produced by Amazon MGM Studios in association with Point Grey Pictures, Skybound North, Skybound Animation and Wind Sun Sky Entertainment. The series focuses on the aftermath of the Invincible War and Mark Grayson's fight with Conquest, as depicted in the previous season. Meanwhile, Mark's father Nolan returns to Earth, as they along with Mark's brother Oliver join the Coalition of Planets in the Viltrumite War.

The season's overall plot shifts towards Nolan's past by providing deeper insights into Viltrumite society and highlighting Nolan's role in the Viltrum Empire's thirst for conquest. Furthermore, it presents a new perspective on the Empire that was absent from the original comics.[1] The season introduces new cast members Danai Gurira and Lee Pace, the latter of whom debuts as the voice of Grand Regent Thragg,[2] leader of the Empire and the series' overall main antagonist.[3]

The season consists of eight episodes. The first three episodes were released simultaneously on Amazon Prime Video on March 18, 2026, with the remaining episodes scheduled for weekly release.[4] The show received mostly positive reviews, preserving its 100% rating on the review aggregator website Rotten Tomatoes for the first week of its release, just as it had in previous seasons.[5]

Episodes

No.
overall		 No. in
season		 Title [6] Directed by Written by Original release date [6]
26 1 "Making the World a Better Place" Sol Choi Helen Leigh March 18, 2026 (2026-03-18)
Mark, Oliver, and Eve continue stopping threats while dealing with the physical and mental aftermath of Angstrom and Conquest. Cecil appoints Brit as leader of the Guardians and brings the Teen Team back. Mark meets Dinosaurus, a powerful being he nearly kills despite learning the creature's human host lacks control in his transformed state. Mark and Eve have a difficult dinner with Eve's parents. Meanwhile, the Sequids prepare another invasion, and an alien named Universa arrives on Earth, draining energy from a power plant to save her people. Mark and Eve intercept her, and Eve struggles as her powers become unstable during the fight, but Universa is eventually defeated. The Guardians confront the Sequid threat, and with Mark's help, they save all infected civilians using new technology, though Mark kills Rus Livingston, the final host, to end the danger. Elsewhere, Conquest escapes captivity and leaves Earth.
27 2 "I'll Give You the Grand Tour" Jason Zurek Simon Racioppa March 18, 2026 (2026-03-18)
On the way to Talescria, Nolan tells Allen about his harsh Viltrumite upbringing, where he trained young cadets and endured a brutal trial against his parents to prove his adulthood. Soon after, the Scourge virus devastated the Viltrumites, killing billions, including his parents. The Grand Regent imposed a quarantine, sealed the planet, and ordered the extermination of all alien slaves who knew of the outbreak. The few survivors began seeking compatible species across the galaxy to preserve their race. On Talescria, Thaedus reveals he is the Betrayer who killed Emperor Argall. Using Nolan's knowledge, the Coalition gathers weapons and allies like Space Racer and the Sinlak beetles. Thaedus later admits he created the Scourge virus and has an improved version. Though angered, Nolan agrees to recruit his son after Thaedus promises the virus was a last resort. Meanwhile, Conquest returns to Viltrum and reports his failure to Grand Regent Thragg.
28 3 "I Gotta Get Some Air" Stephanie Gonzaga Ross Stracke March 18, 2026 (2026-03-18)
Machine Head tells Titan that Mister Liu survived and is pursuing them. Titan is attacked by Liu's assassin Magnattack but kills him. Mark struggles with killing Rus, while Eve loses control of her powers. Robot expels a Sequid, which Monster Girl destroys, leading them to wonder whether Mark was right. Titan asks Invincible for help, but Mark and Eve send Oliver instead. Eve seeks guidance from Robot. Meanwhile, the Flaxans return and attack Earth, and Mark joins the Guardians in response. Oliver and Titan confront Liu, while Robot and Monster Girl enter the Flaxan dimension to destroy their anti-aging technology, discovering a highly advanced civilization that threatens humanity. Before others can follow, the portal is closed, trapping them. Mark later helps Oliver fight Liu, forcing him to retreat. Misinterpreting Titan's actions, Mark attacks him until Oliver stops him. With Liu still active, Titan is forced to rejoin Machine Head's Order, and Liu also returns to avoid further conflict. Eve learns she is pregnant.
29 4 "Hurm" Ian Abando Robert Kirkman March 25, 2026 (2026-03-25)
Mark confesses his actions to Art, who comforts him and gives him his old suit back. Eve calls Mark to stop Ka-Hor, but Damien Darkblood uses Nolan's blood in an attempt to summon him to Hell and accidentally summons Mark instead, allowing Ka-Hor to escape with a host. Darkblood explains that Volcanikka has seized the throne of Hell from Satan and plans to release monsters called the Vile to conquer Earth. Mark and Darkblood recover Satan's Molten Crown from Cerberus, restoring Satan's power and reviving Darkblood's wounded family. They confront Volcanikka, who defeats Satan, but Mark easily overpowers her, forcing her to retreat. Satan keeps the Vile imprisoned and sends Mark and Darkblood back to Earth's surface. Eve tells William about her pregnancy, while Debbie plans to move in with Paul. As Eve prepares to tell Mark about the pregnancy, Nolan and Allen arrive. Meanwhile, Satan secretly orders Darkblood to investigate Volcanikka's motives and considers going to the surface himself.
30 5 "Give Us a Moment" Sol Choi Adria Lang April 1, 2026 (2026-04-01)
Allen and Nolan discuss the situation with Mark and Eve, and Mark reluctantly agrees to join the Coalition's war against the Viltrumites. A remorseful Nolan apologizes to Debbie, who rejects him. Allen tracks down Zoe Thompson / Tech Jacket, who also agrees to join their cause, while Oliver insists on going as well. Eve chooses not to tell Mark about her pregnancy due to his impending departure. After saying goodbye to Eve, Debbie, and Paul, Mark and Oliver join Nolan, Allen, and Zoe aboard the Coalition ship, and they depart for Talescria. On the way, however, they are ambushed by a Viltrumite cruiser commanded by Conquest and two other Viltrumites, Lucan and Kradd. A battle ensues, culminating in a one-on-one fight between Mark and Conquest. Mark is disemboweled by Conquest, but manages to kill him by strangling and asphyxiating him. Nolan and Oliver find a badly wounded Mark, while Zoe and Allen hide on the hull of the Viltrumite ship as Lucan and Kradd continue searching for them. Thaedus decides that it is time for open war with the Viltrumites.
31 6 "You Look Horrible" Jason Zurek Amber Dupre April 8, 2026 (2026-04-08)
Open war between the Coalition and the Viltrum Empire begins, with Battle Beast and previously enslaved planets joining the Coalition. After burying Conquest, Nolan bonds with Oliver and trains him as they nurse Mark back to health for two months. Allen and Zoe are rescued by Space Racer, who kills Kradd. After several other Viltrumites are killed and the Coalition gains ground, Thragg orders a direct strike on Talescria to kill Thaedus, helped by the mole in lowering the planet's security. As a Viltrumite strike team attacks the capital, Thaedus, Allen and Zoe lead the fight, but are losing until the recovered Mark, Nolan and Oliver arrive to join the battle, and the Viltrumites are ultimately forced to retreat. After interrogating the mole, the heroes learn that Thragg is retreating to Viltrum to gather his forces, so Thaedus plans to pursue him there and strike before all the other remaining Viltrumites can return home.
32 7 "Don't Do Anything Rash" Stephanie Gonzaga Helen Leigh April 15, 2026 (2026-04-15)
Thousands of years ago, Thaedus assassinates Emperor Argall after questioning the Viltrumites' brutality. Thragg is named ruler in his place, and orders the Viltrumites to fight each other to purge the weak from their society. In the present, Thaedus, Mark, Nolan, Oliver, Allen, Battle Beast, Zoe, and Space Racer travel to Viltrum to kill Thragg. They are ambushed by the Viltrumites, who hid in the ring of corpses, and a battle erupts. Thragg attempts to convince Nolan to join the Viltrumites again, but Nolan rejects him. Oliver attacks Thragg but is severely injured. Nolan directs Space Racer to fire a laser at Viltrum and is joined by Mark and Thaedus as they follow it into the planet's core, destroying it. Thaedus demands the Viltrumites surrender, but Thragg decapitates him. He then disembowels Nolan and beats Mark to the point of near death but chooses to spare them due to the Viltrumites' dwindled numbers. Nolan, Mark, and Oliver are rescued by the others as the Coalition names Allen their leader. As the Coalition searches for the Viltrumites, a horrified Mark realizes they have gone to Earth.
33 8 "Don't Leave Me Hanging Here" TBA TBA April 22, 2026 (2026-04-22)

Cast and characters

Main

  • Steven Yeun as Mark Grayson / Invincible
  • Sandra Oh as Deborah "Debbie" Grayson
  • J. K. Simmons as Nolan Grayson / Omni-Man
    • Talon Warburton as young Nolan

Recurring

  • Gillian Jacobs as Samantha Eve Wilkins / Atom Eve
  • Christian Convery as Oliver Grayson / Young Omni-Man
  • Walton Goggins as Cecil Stedman
  • Seth Rogen as Allen the Alien
  • Jeffrey Dean Morgan as Conquest
  • Shantel VanSanten as Anissa[3]
  • Ben Schwartz as Shapesmith
  • Peter Cullen as Thaedus
  • Fred Tatasciore as Giant, Adam Wilkins[3]
  • Chris Diamantopoulos as Donald Ferguson, Isotope
  • Clancy Brown as Kregg, Damien Darkblood, Ka-Hor
  • Tatiana Maslany as Telia[3]
  • Zoey Deutch as Zoe Thompson / Tech Jacket
  • Jay Pharoah as Zandale Randolph / Bulletproof
  • Khary Payton as Markus Grimshaw / Black Samson
  • Grey Griffin as Amanda / Monster Girl, Betsy Wilkins, Daphne
  • Ross Marquand as Rudy Connors / Robot
  • Jonathan Banks as Brit
  • Mark Hamill as Art Rosenbaum
  • Cliff Curtis as Paul
  • Scott Aukerman as Captain Pikell
  • Phil LaMarr as Lucan
  • Winston Duke as Space Racer
  • Lee Pace as Grand Regent Thragg[7]
  • Michael Dorn as Thokk / Battle Beast

Guest

  • Danai Gurira as Universa
  • Matthew Rhys as David Anders / Dinosaurus
  • Troy Baker as Nolan's father
  • Courtenay Taylor as Nolan's mother
  • Eric Bauza as D.A. Sinclair
  • Todd Williams as Titan
  • Tzi Ma as Mister Liu
  • Nicole Byer as Vanessa
  • Jeffrey Donovan as Machine Head
  • Indira Varma as Volcanikka
  • Chloe Bennet as Riley
  • Bruce Campbell as Satan
  • Kate Mulgrew as Domina Darkblood
  • Brandon Scott Jones as William Clockwell
  • Bobby Moynihan as Edward Thompson
  • Levar Burton as Tech Jacket Suit AI
  • Andrew Morgado as Kradd[3]
  • Frank Welker as Emperor Argall

Production

Development

In July 2024, preceeding the third-season premiere, Amazon renewed Invincible for a fourth season.[8] Prior to the release of the fourth season, Amazon Prime Video, Robert Kirkman and showrunner Simon Racioppa had already committed to the series’ long-term development, having previously renewed the show for multiple seasons .[9][10][11]

"The way Simon and I have mapped out, where we would kinda follow the comic and where the breaks would be, roughly eight seasons,"

— Kirkman on Decade-Long Plan for the Series

In the lead-up to the fourth season, Kirkman and the creative team indicated that the series would begin adapting later arcs of the source material,[10] marking a shift toward more narratives involving the Invincible-verse and the Viltrumite Empire. This direction was discussed in multiple interviews, where Kirkman noted that subsequent seasons would escalate the scale of the conflict and introduce major antagonists central to the comic’s overarching storyline.[12][13]

Writing

The writing for the season was shaped by the aftermath of the "Invincible War" storyline, with the premiere episode depicting a world in recovery while advancing character development for Mark Grayson and his supporting cast.[14][15][16]

Casting

The fourth season of Invincible continued the series’ approach of combining a stable core cast with the introduction of new characters drawn from later arcs of the comic. The season premiere, " Making the World a Better Place," retained the majority of the series’ established voice cast.[17] Steven Yeun, Sandra Oh, and J. K. Simmons reprised their roles as Mark Grayson / Invincible, Debbie Grayson, and Nolan Grayson / Omni-Man, respectively, maintaining the central family dynamic of the series.[16][18][19] Other returning actors include Gillian Jacobs as Atom Eve, Walton Goggins as Cecil Stedman, Cliff Curtis as Paul, and Ben Schwartz, who voiced both Rus and Shapesmith, alongside other actors whose characters were part of the ongoing story.[18][20] Jonathan Banks reprised his role as Brit, appearing in the premiere; Christian Convery also returned as Oliver Grayson, showcasing the character’s progression into adolescence within the narrative.[17]

a curly-haired woman stares to her right.
Lee Pace (pictured in 2025) guest starred in the season.

As the series progressed, new characters were introduced. In October 2025, Entertainment Weekly announced Lee Pace would voice Grand Regent Thragg, considered one of the main antagonists and, according to Kirkman, the most powerful Viltrumite.[21]

"To be completely honest, when he was cast in Foundation, I was also like, 'Is this [too] close? Am I gonna be able to cast him as Thragg if he's available? Is this gonna work?".

— Kirkman on the decision to cast Lee Pace as Thragg.

The decision to cast Pace as the character of Thragg was based on the production’s desire to introduce a commanding character in the role of the Viltrumite leader as the series began to follow the later narrative arcs in the storyline. The character’s introduction was a move towards a more expansive battle, and the casting decision was based on this as a reflection and required an actor capable of conveying authority and scale, with Pace selected for his ability to embody the character’s dominance and restraint, as discussed in interviews by series creator Robert Kirkman.[21][22]

Additional casting included Matthew Rhys,[23] whose involvement was announced by Deadline prior to the season’s release, with details of his role initially withheld.[24] Later reports identified him as voicing Dinosaurus, He first appears in the comics in issue #68, where he battles Mark, who has robot arms from his battle with Conquest.[16] Danai Gurira was also reported to have joined the cast as Universa.[25]

Home media and streaming

The fourth season of Invincible premiered on March 18, 2026. The first three episodes of the season became available simultaneously on the online streaming service Amazon Prime Video.[26][27] and subsequent episodes released weekly through April 22, 2026. All episodes of the season were accessible to subscribers on the platform, along with earlier seasons of the series.[28] In most international markets, the season was made available simultaneously on Prime at the same local launch times, consistent with the service’s global distribution model for original programming across more than 240 countries and territories.[29]

In addition to the premiere of the season, various marketing tools, including official trailers for the season and press announcements from Prime Video, highlighted the return of principal cast members alongside new characters and narrative developments.[30][31] These tools provided information about the release of the season before the premiere date.[32][33]

Reception

Critical response

Professional ratings
Aggregate scores
Source Rating
Rotten Tomatoes 100%
Review scores
Source Rating
Nexus Point News StarStarStarStar
IGN 8/10

The season maintains its 100% rating for the first week of its release, as it has in previous seasons, on the review aggregator Rotten Tomatoes, which receives mostly positive reviews.[34][35]

Ben Travers of Decider gave the season a positive review, noted the season's emphasis on the fallout from past events and Mark Grayson's efforts to regain trust in the face of fresh dangers, describing it as preserving the show's blend of character-driven storytelling and action.[36] Writing for Screen Rant, Craig Elvy described the season as one of the series’ most emotionally driven installments, emphasizing its focus on character development and thematic weight.[37] Similarly, Siddhant Adlakha of IGN said that, despite some pacing issues and narrative detours, the season represents one of the show’s most expansive entries, with an increased scale and broader storytelling focus.[38]

Other reviews presented more mixed observations. A review from TheDemonster described the premiere as largely focused on setup, with early episodes emphasizing character conflict and preparation for future story arcs rather than immediate resolution.[39]

In a similar review, from Nexus Point News and Nerd Initiative described the season as the start of a new phase for the series. They highlighted its focus on transition, increased world-building, and the introduction of new conflicts. Additionally, they pointed out that the early episodes mainly serve as preparation for later developments.[40] Christopher Mills of Nexus Point News rated the series 4 out of 5 stars.[41]

References

  1. ^ Valentine, Evan (March 18, 2026). "Invincible Season 4 Makes Major Change to Omni-Man From The Comics". ComicBook.com. Retrieved March 18, 2026.
  2. ^ Kaplan, Ollie (October 11, 2025). "NYCC '25: INVINCIBLE Season 4 teaser debuts Lee Pace as Thragg". The Beat. Retrieved April 13, 2026.
  3. ^ a b c d e Nied, Michael (March 18, 2026). "See the Invincible Cast Side-by-Side with the Characters They Voice".
  4. ^ Rudolph, Christopher (March 18, 2026). "Invincible Season 4 Release Schedule: How Many Episodes Are There?". People (magazine).
  5. ^ Tassi, Paul (March 18, 2026). "'Invincible' Season 4 Maintains Its Rotten Tomatoes Record". Forbes.
  6. ^ a b "Shows A-Z - Invincible on Amazon". The Futon Critic. Retrieved April 11, 2026.
  7. ^ George, Joe; Bojalad, Alec (March 17, 2026). "Invincible Showrunners on Why Lee Pace Was Perfect for the Story's Big Bad Thragg". Den of Geek. Retrieved March 18, 2026.
  8. ^ "Invincible Renewed for Season 4 at Prime Video". Variety. July 26, 2024. Retrieved March 24, 2025.
  9. ^ "Prime Video Confirms 'Invincible' Season 5 Renewal". Animation World Network. Retrieved March 19, 2026.
  10. ^ a b Papachristos, Anna (April 2, 2025). "How to Get Cast on 'Invincible'". www.backstage.com. Retrieved March 20, 2026.
  11. ^ Fenn, Archie (December 30, 2024). "'Invincible' Creator Unveils Decade-Long Plan for Prime Video Series". MovieWeb. Retrieved March 20, 2026.
  12. ^ Farley, Jordan (March 14, 2026). "Invincible creator Robert Kirkman says fans are "finally going to get what they're asking for" in season 4, as Thragg escalates the Viltrumite threat". GamesRadar+. Retrieved March 19, 2026.
  13. ^ "INVINCIBLE Creator Confirms That A Major Character From The Comics Has Been Cast For Season 4". ComicBookMovie.com. March 20, 2025. Retrieved March 20, 2026.
  14. ^ "Invincible is back, but it's not clear why it bothered". Paste Magazine. Retrieved March 19, 2026.
  15. ^ Reinfuss, Wiktor (March 17, 2026). "'Invincible' Season 4: More Ambitious and Emotional Than Ever". The Cosmic Circus. Retrieved March 20, 2026.
  16. ^ a b c Hood, Cooper (March 3, 2026). "8 Comic Storylines Confirmed For Invincible Season 4". Screen Rant. Retrieved March 20, 2026.
  17. ^ a b Zalben, Alex (March 18, 2026). "'Invincible' Voice Cast: Who's Who In Season 4, Episode 1, Including Universa And Dinosaurus?". Comic Book Club Live.
  18. ^ a b Jacob, Arushi; Payton, Turkeltaub (January 21, 2026). "'Invincible' Season 4 Trailer Teases Viltrumite War (TV News Roundup)". Variety. Retrieved March 18, 2026.
  19. ^ McCune, Melody (March 19, 2026). "'Invincible' Season 4 Voice Cast and Characters - Every New and Returning Star in the Prime Video Series". MovieWeb. Retrieved March 19, 2026.
  20. ^ DeGrushe, Allison (March 16, 2026). "See the A-list Invincible cast side-by-side with the characters they bring to life". Entertainment Weekly.
  21. ^ a b Romano, Nick (October 10, 2025). "Thragg speaks! 'Invincible' newcomer Lee Pace on how he's bringing the all-powerful Viltrumite leader to life (exclusive)". Entertainment Weekly. Archived from the original on January 24, 2026. Retrieved January 24, 2026.
  22. ^ Pryor, Morgan (October 10, 2025). "'Invincible': Robert Kirkman Teases Lee Pace's 'Terrifying' Thragg in Season 4". TV Insider. Retrieved March 19, 2026.
  23. ^ Comments, Ray Flook | (March 16, 2026). "Invincible Season 4 Clip: Matthew Rhys' Dinosaurus, On The Attack". bleedingcool.com. Retrieved March 19, 2026.
  24. ^ Austin, Nicola. "Who could Matthew Rhys voice in Invincible season 4? Key characters explained | Radio Times". www.radiotimes.com. Retrieved March 20, 2026.
  25. ^ Petski, Denise (July 17, 2025). "'Invincible' Gets Early Season 5 Renewal At Prime Video; Matthew Rhys Joins Voice Cast". Deadline. Retrieved March 19, 2026.
  26. ^ Greenawalt, Tyler (January 21, 2026). "'Invincible' Season 4 trailer: premiering March 18 on Prime Video". Amazon News. Retrieved March 20, 2026.
  27. ^ Shakya, Shashank (February 19, 2026). "Invincible Season 4 Release Schedule: Episode Release Dates and Time". Beebom. Retrieved March 20, 2026.
  28. ^ Spry, Jeff (March 18, 2026). "How to watch 'Invincible' Season 4 online and from anywhere". Space. Retrieved March 20, 2026.
  29. ^ Bhatia, Nikhil (January 23, 2026). "Invincible Season 4 Release Date In India: Prime Video Reveals Trailer; Here's When Invincible 4 Will Premiere". filmibeat.com. Retrieved March 20, 2026.
  30. ^ Power, Tom (March 15, 2025). "'Invincible' season 4: everything we know so far about the Prime Video show's next entry (release date, trailer, cast, plot)". TechRadar. Retrieved March 20, 2026.
  31. ^ Marston, George (March 4, 2026). "New Invincible season 4 trailer teases the debut of ultimate Viltrumite villain Thragg". GamesRadar+. Retrieved March 20, 2026.
  32. ^ Eclarinal, Aeron Mer (February 18, 2026). "Invincible Season 4 Confirms Exact Release Schedule on Prime Video". The Direct. Retrieved March 20, 2026.
  33. ^ "Invincible Season 4 Episode Release Dates Revealed for Prime Video Show". ComingSoon.net - Movie Trailers, TV & Streaming News, and More. February 18, 2026. Retrieved March 20, 2026.
  34. ^ Tassi, Paul (March 18, 2026). "'Invincible' Season 4 Maintains Its Rotten Tomatoes Record". Forbes.
  35. ^ "Invincible: Season 4 | Rotten Tomatoes". www.rottentomatoes.com. Retrieved March 20, 2026.
  36. ^ "Stream It Or Skip It: Invincible Season 4 Review". Decider. Retrieved March 20, 2026.
  37. ^ Elvy, Craig (March 16, 2026). "Invincible Season 4 Review: More Mayhem, More Mustaches, More Marvelous Superhero Storytelling". Screen Rant. Retrieved March 20, 2026.
  38. ^ Adlakha, Siddhant (March 18, 2026). "Invincible Season 4 Premiere Episodes 1-3 Spoiler - Review". IGN. Retrieved March 20, 2026.
  39. ^ "Invincible Season 4 Premiere Review". TheDemonster. Retrieved March 20, 2026.
  40. ^ "Invincible Season 4 Non-Spoiler Review: A New Journey Begins". Nerd Initiative. March 17, 2026. Retrieved March 20, 2026.
  41. ^ Mills, Christopher (March 19, 2026). "REVIEW: 'Invincible' Season 4 Episode 1 Faces Mark with Guilt". Nexus Point News. Retrieved March 20, 2026.