Is Il Mostro coming back?

Il Mostro ended on October 22, 2025, after its one-season run on Netflix.

Il Mostro was a drama, crime, and thriller series that premiered in 2025. It was based on true events surrounding the infamous Italian serial killer known as Il Mostro di Firenze. The show depicted the investigation into eight double murders committed over seventeen years, all using the same .22 caliber Beretta. The series aimed to present a detailed, procedural account of this complex case, drawing on testimonies, documents, and journalistic research to portray the story as truthfully as possible.

The series focused on the perspectives of various individuals involved in the investigation, exploring the possibility that the monster could be anyone. It aimed to shed light on the human side of this chilling chapter in Italy's history, emphasizing the ongoing quest for justice for the victims. The show consisted of four episodes, each lasting about an hour, providing a comprehensive look into one of Italy's most notorious criminal cases.