Sam Nixon and Mark Rhodes begin their search to find the world's next great superhero. They travel to Hollywood to meet superhero godfather Stan Lee, who trains them in the art of Superhero Spotting.

Back in the UK, hundreds of wannabe heroes are invited to attend auditions across the country, culminating in a final audition in London. From these auditions, Sam and Mark select the final 13 superheroes that will move into the top secret lair. Show less