Los Angeles, CA – Fans of the hit animated series Invincible have reason to celebrate as Rotten Tomatoes announced via X on March 23, 2025, that the show will return for its fourth season on Prime Video in 2026. The update, accompanied by a promotional image, revealed that voice acting for the new season is complete, setting the stage for another thrilling chapter in the superhero saga.
#Invincible: Season 4 is expected to return in 2026 on Prime Video. pic.twitter.com/uCylctVH99
— Rotten Tomatoes (@RottenTomatoes) March 23, 2025
The announcement highlighted several exciting details about Season 4, including the completion of voice work and the casting of Thragg, a major character from the Invincible comics known as the leader of the Viltrumite Empire. While the voice actor for Thragg remains undisclosed, creator Robert Kirkman previously described the casting choice as “amazing” in a Variety interview. The season is also teased to feature a “new storyline not in the comic featuring Darkblood,” hinting at fresh narrative territory for fans of the original Image Comics series by Kirkman, Cory Walker, and Ryan Ottley.
Invincible, which follows young superhero Mark Grayson (voiced by Steven Yeun) as he navigates the complexities of his powers and heritage, has garnered widespread acclaim for its bold animation, intense action, and emotional depth. The series, produced by Skybound Entertainment, has been praised for its nuanced take on the superhero genre, with Season 2 earning a 100% approval rating on Rotten Tomatoes. The Season 3 finale, which aired recently, featured a brutal 30-minute showdown between Mark and Conquest, cementing the show’s reputation for delivering high-stakes drama.
While an exact release date for Season 4 remains unconfirmed, the 2026 window gives fans something to look forward to. With its all-star cast, including Sandra Oh and J.K. Simmons, and a promise of darker, uncharted storylines, Invincible continues to solidify its place as a standout in adult animation.