Somehow, these kids turn into superheroes at night to fight their classmates who turn into supervillains at night. How do they become these heroes/villains? I don't know. I dont think it's ever been explained. Basically, the same thing happens every episode so it's pretty boring. Still, if this serves as a precursor to getting my kid into real superhero stuff, I guess I can tolerate it. I have to ask, though, where are these kids' parents?!