The Final Problem () is a 2026 Spanish murder mystery television miniserial based on the 2023 novel by Arturo Pérez-Reverte.
Plot In 1959, thirteen people arrive on a small islet off the coast of Mallorca. Among them is Benjamin Basil, a retired actor famed for his longtime cinematic portrayal of Sherlock Holmes. When one of the guests is found murdered, and the group is cut off from help by a terrible storm, Basil must play detective for real.
Cast José Coronado as Benjamin Basil María Valverde as Adela Figueroa Martiño Rivas as Francisco Foxá Maribel Verdú as Mrs. Raquel Ausländer Gonzalo de Castro as Fonseca Cristina Kovani as Vicky José Condessa as Tony Pepón Nieto as Doctor Seruya
Production Filming had commenced on the serial by May 2025. In May 2026, the main cast was formally confirmed.
Release The serial, which consists of 4 episodes, was released on September 25, 2026.
Episodes
References
External links