Sorry, we have not watched this yet.
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.
Sorry, we have not watched this yet.