Is 'Invincible' the best superhero series of the year? Or is it the best series period? For those of you who don't know, Invincible is an animated, adult superhero series that follows a high schooler named Mark Grayson as he adapts to his newfound powers and the world of superheroes around him. However, the twist and turns rival other great groundbreaking shows like Ozark and Mr. Robot. Put on your seat belt as we react to season one and layout early predictions for season 2.