Sports Invincible season 4 ending explained: Did Mark Grayson make it back to Earth? By a2zreale - April 24, 2026 0 2 FacebookXPinterestWhatsApp Invincible season 4 follows Mark Grayson in its finale as he deals with the aftermath of his encounter with Thragg and the remaining Viltrumite forces across space. To continue reading click here.