They Copied It, So It Sucks: Obviously an attempt at making a Harry Potter animated series. Some think this is such a blatant expy that they couldn't take the show seriously.
What an Idiot: In "Once in a blue moon", Zarlack's plan to use the ring of a blue moon to escape fails. The Charmling who was captured by Zarlack previously in the episode knows the reason. You'd expect: He would keep his mouth shut. Instead: He tells Zarlack exactly why the plan failed and what exactly he has to do to fix it. Cue Zarlack doing so and almost being successful, hadn't been for Cassie. Nice Job Breaking It, Hero!, indeed. Even worse: Zarlack didn't even interrogate him. He was just rubbing Zarlack's mistake in his face.