Being a superhero is cool. Being a superhero in space - even cooler! But weirdly enough, there are still no known superheroes in the Galaxy... That's why an alien hamster named Ziggy convinces squirrel Ruby, his sister, to go looking for them together! The mission seems to be absolutely impossible until they stumble upon a real superpower source - a sentient asteroid Speedy... ... (展開(kāi)全部)