Piggeldy and his big brother Frederick are out and about, discovering and learning about the world. This time they set out to find where the sky begins.

Manzi isn't getting anywhere with the kids at the reformatory. He talks to the director, and then goes to the Board of Education, too, to complain.

Nora gets Germana on the phone to find out what's going on, since the wedding is just a couple of days away and she and Yazech are missing in action.

The photographer gives Berardi some more details, but there is still the question of the missing gun. Potti and Bibì seem to have made up completely and Camilla and Renzo might not be in total agreement about what to do next.

Libero goes to the radio station to try to find a job for Alberto. Guido goes to the garage to talk to Alberto.

Milena tells Imma about her pregnancy and about how Nunzio reacted to it. They also talk about Nunzios's relationship with his father. Imma and Calogiuri go out to the Festa place to talk to Rosario.

In August of 2014, the European Space Agency Rosetta probe reached the comet 67/P. This mission allowed for the collection of a great deal of data about comets. In fact, in this episode, a comet will be fashioned out of fairly common ingredients in a normal kitchen. That's pretty exciting.

Pimpa searches through a trunk for something to do and finds an object she doesn't recognize. She asks Big Armando and this really starts the ball rolling for an adventurous day.

Alberto's friend, Eugenio, is ready to call it quits when it comes to teaching. Alberto is convinced that kids are the future, but even though he made some headway with the kids at the reformatory his first day, there are still huge obstacles.

In the middle of the night, Germana's father explains why he went so far as to sabotage the roofing work.

Torre discovers the criminal record of the photographer's accomplice and she gets questioned again. Camilla is exhausted, and Renzo tells her about the kiss Livietta's friend Giulio gave her.

Guido discovers why Libero is pretending to be depressed. Annuccia is upset about not having a frog, and Rebbi shows up with an invitation for Maria.

This story teaches us how important it is to accept those who might not look like us and to be patient about finding our place in the world. And sometimes something that seems like a defect, can be a gift.

Antonio Palma has been summoned by Imma, and has been accompanied by Rosario Festa, Nunzio's father. She has some specific questions to ask Mr. Palma, but first has a conversation with Rosario Festa. Later on, she discusses all this with Calogiuri over coffee.

This segment talks about the difference between an asteroid and a comet. Important work is being done with the Hera and Dart missions to study how to deviate an asteroid, thus avoiding possible great damage to our beloved planet