Episode Title:The Riddle of Rhyming Rock.Episode Description:Gobo wants to solve the Riddle of Rhyming Rock, and he's been rehearsing for quite some time. According to Rhyming Rock's caretaker Herkimer Fraggle, each Fraggle only gets three chances in a lifetime, and when Gobo uses his first two and fails, he goes to the Storyteller to find out how to solve it. She then tells him that Uncle Matt, when he was really young, uncovered a book that could solve all riddles (The riddle goes, "Mumba Gumba, Dinky-Doo. Pants for me...