Wikimedia Commons/Invincible TV show TV Invincible Season 4 ends on a haunting note, and Season 5 is confirmed for 2027 with major villains returning. Get the full breakdown here. April 30, 2026 AceShowbiz - Invincible Season 4 took its hero Mark Grayson (played by Steven Yeun) through some of the toughest challenges yet.