On the outside, Art, Lizzie and Thomas were seemingly less capable than their fellow children. At school, other students made fun of their disabilities. Art had been in a wheelchair since he was a little boy. Lizzie was deaf and had to wear hearing aids. Thomas was autistic and suffered from relentless bullying.

However, their disabilities were actually their greatest superpowers, as they were constantly underestimated. Little did they know, Art, Lizzie and Thomas belonged to the most secret superhero group on planet Earth… the Extra Ability kids. When the Evil Captain Brain invades Earth and defeats the planet’s most infamous superheroes, it is down to Art, Lizzie and Thomas to save the day.