Mona the Vampire S01 E26 Brainwash Boogie / Von Kreepsula's Return

A) The latest pre-teen pop music sensation, the "Brainwaves", is all the rage with the kids at St. Faith's. B) Ever since Mona and Charley battled Von Kreepsula on his own turf and won, they've felt pretty confident that he'd be trapped forever in his comic book prison.