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 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.

The investigation has begun. The girl who was shot is still alive. Luca apologizes to Marta, and Marta gets a mysterious phone call. Toscani has a hard time staying awake.

Måneskin is a band with four musicians who began playing together as students at the J.F. Kennedy High School in Rome. Their participation on X Factor brought about their phenomenal success. The band's name Måneskin means moonshine in Danish, and was a word that Victoria de Angelis, the bassist, knew from her Danish ancestry.

This new episode starts off with a bang (pun intended). We also get a glimpse of what home life is like, now that Sardi has brought her baby home from the hospital.

Rossella, a new contestant, is presented with list of animals and she has to respond whether they're carnivores or herbivores.

There is reason for celebrating the end of the case and the return of the amphorae. But Manara gets some more information about inspector Rivera and has a hard time letting things go.

Valerio is the new contestant. Carlo provides him with a list of countries and he has to reply whether they're republics or monarchies.

There's a new member of the Toscani family, Sardi apologizes to Marta for her behavior, and Ada confides in Luca about a discovery she has made.

Carlo provides Francesco with the names of tools and Francesco has to supply the name of the profession where the tool is used. Lara gets the same question format, but has to answer whether celebrities are over or under 1.7 meters (about 5'-6").

Luca questions young Guglielmo and gets the answers he needs. He is less satisfied with the conversation with Giusi Vasto. Rivera listens to it all.

Carlo asks Massimiliano to name the stars for a list of films and Francesco, a new contestant, is introduced.

Things are hopping. Luca and Toscani go out to the scuba diving test in a speedboat. Rivera, left alone at police headquarters, has to take matters into her own hands when she answers Toscani's phone.

Carlo introduces us to his teacher assistants, and as its Christmastime, they're wearing Santa-inspired costumes. Alessandra and Massimiliano are the two contestants.

Toscani and Sardi seem to be getting along better. At police headquarters, some very interesting news crops up, and Luca realizes what he has to do.