The theme of this episode is "The Nonexistent Knight", by Italo Calvino, the book on which the two high school classes compete. The challengers are class 3°F of the Carducci classical high school in Nola and class 5°B of the Vincenzo Lilla classical high school in Francavilla Fontana. The game is hosted by Geppi Cucciari and Professor Piero Dorfles.