Olivia is an enthusiastic girl who wants to be a superhero, but she doesn't know what her superpower is. Her older brother Bruno explains to her that she doesn't need them: she can do it by struggling and using her own skills - just as real heroes do! In each episode, Olivia, Bruno and their pet (a fat, grumpy, lazy cat called Mr. Dog) will meet a real hero (a famous historical... (展開(kāi)全部)