Not sure I want to go down the rabbit hole of watching these. I watched enough bad cartoons as a kid. I do agree about the issues with parallel universes. Where does the energy come from? Mind you, they can apply to various superheroes too, but the writers may come up with some hokum to explain it.
These cartoons must be churned out at quite a rate and you can see they take shortcuts with quality. I can imagine they get bored and slip in some odd stuff to break the tedium.
Have you seen Pixar's Soul? That has some very imaginative stuff in it and I think it's aimed more at adults than kids. Will kids care about a jazz musician who is questioning his existence? Of course they throw in some good action too.