When series background designer Kenny Pittenger was asked "What are those things?," he answered "They function as clouds in a way, but since the show takes place underwater, they aren't really clouds."
Ketika desainer latar belakang seri Kenny Pittenger ditanya "Apa benda-benda ini?," Jawabnya "Mereka berfungsi sebagai awan dalam beberapa cara, tetapi karena acara ini berlangsung di bawah air, mereka tidak benar-benar awan."