The theme of this episode is "La bolla di componenda" by Andrea Camilleri, the book on which the two high school classes compete. The challengers are the 3°F of the Nicola Spedalieri classical high school in Catania and the 5°C of the Mattioli scientific high school in Vasto. The game is hosted by Geppi Cucciari and Professor Piero Dorfles.