Contestants are asked about the many uses of dental rinse or mouthwash.

We still don't know much about Marta Rivera's mysterious appointment, just that it was with the chief. A worker from the cheese factory shows up at the police station to give her statement.

Lucio Dalla and Francesco De Gregori perform the song that was originally titled “Gesù Bambino” [Christ Child] but was changed to Dalla's date of birth after censure from the Sanremo music festival.

Giacomo manages to speak with the scholar. When he gets back home, his family is waiting for him with a proposal.

The story of Adriano Olivetti and his development of the family business, which expanded from typewriters to computers. This first segment shows CIA officers who consider Olivetti's electronic brain a great threat to American business. The segment also features a flashback to Adriano's childhood in Ivrea, when he was not too eager to learn the ropes.

When two like things are compared, as in the sentence "You are as old as I am," it's called a comparison of equality. Daniela explains how this works in Italian.

Eva and Gina realize that Alessia is, in fact, being harassed by her co-worker, and they decide to give her a hand.

Manara and Toscani go to the cheese factory. They don't find the answers they are looking for, but think someone there wants to talk. Marta asks for a little time off to go to her appointment.

Carlo asks the contestants to match events to a series of dates and some fun facts emerge.

Giacomo knows he should make peace with the fact that his father is gone, but he is troubled. He reads a book that motivates him to go and find the author — not an easy task.

Ready for a new recipe? We're in Piedmont, and this recipe is definitely not low-calorie. But it's perfect for those cold winter days in the mountains.

Eva is at the market when she spies Dante in the crowd. They actually have a conversation without getting angry at each other. Eva rushes off, having realized, all of a sudden, something she needs to pursue.

Carlo provides the contestants with a set of four dates and they have to link important events to the dates. Carlo spends a fair bit of time making funny sounds.

Are we ready for electric automobiles? Gianfranco Pavan talks about Svolta Elettrica or Electric Turning Point at the Bologna Motor Show of 2011.

The second part of Via dell’inferno (Hell Road/Road to Hell) where songwriter Davide Ravera creates an atmosphere of cold winter, tears, music, freedom, longing for home, and beginning again.