Wikimedia Commons/Invincible TV Show TV Invincible S4 explores Nolan's past & Viltrumite culture, revealing a major comic book divergence. Spoilers for Episodes 1-3. March 23, 2026 AceShowbiz - The first three episodes of Invincible season four have been released, continuing to highlight Nolan Grayson's critical role as the series approaches the Viltrumite War. Following his redemption arc in the previous season, where Omni-Man allied with Allen the Alien, the character-voiced by J.K. Simmons-has largely remained faithful to his comic book origins.