A on a specific episode from that season? (If so, do you have a specific episode number in mind?)
Specifically, marked a major comeback for the show after a 12-year hiatus. To give you the most relevant "paper" or analysis, could you clarify what you're looking for? For example, are you interested in: Legge.e.ordine.I.due.volti.della.giustizia.S21E...
A comparing the fictional procedures in the show to real-world Italian or American law? A on a specific episode from that season
An of how the show's revival (Season 21) addresses modern social issues like police reform or the "Black Lives Matter" movement? Legge.e.ordine.I.due.volti.della.giustizia.S21E...
That sounds like an interesting topic! The title you mentioned, is the Italian name for the long-running American TV series Law & Order .