Tonight is the night of the Blue Moon, and when Junior Gorg notices this, he begs Pa to let him play the Royal Kazoo to prove that he'll be a great, worthy king. But the moon needs to be full, and one also needs five Fraggle witnesses. But when Pa dismisses the idea in fear of Junior being banished, Junior feels like he'll never be much of anything. Then, when Cantus the Minstrel shows up (as a shadowy figure), he convinces Junior that he needs to believe in himself and that he can do anything he wants to. Cantus makes Junior promise to play the Royal Kazoo, and then Cantus goes to get the five Fraggle witnesses; Gobo, Mokey, Red, Wembley and Boober. Once they show up, it's time for Junior to prove what kind of king he'll be. (thetvdb.com)