4x13 - A Doctor in the Family

Guido and Maria are back together and are stronger and happier than before, but he doesn't want Maria to leave for Nigeria. He also has a very important proposal in store. After three years away, Lele returns to the Martini household, finding the situation more than a little unsettling. Thanks to Grandpa Libero's help, Lele will finally be able to become a full-fledged family man again.