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.