# The Final Problem: Netflix’s New Sherlock-Inspired Spanish Mystery Sets September Release

URL: https://technosports.co.in/the-final-problem-netflixs-new-sherlock/  
Published: 2026-07-08  
Updated: 2026-07-08  
Author: Reetam Bodhak

Mystery lovers, mark your calendars. Netflix’s brand new Spanish miniseries **The Final Problem**, adapted from Arturo Pérez-Reverte’s bestselling novel, has officially locked in its premiere date, and it’s shaping up to be one of the season’s most stylish whodunits.

### When Does The Final Problem Release?

The five-episode series arrives on Netflix on September 25, 2026, with a date announcement trailer already live on Netflix’s official YouTube channel.

### What Is The Final Problem About?

Set in the spring of 1959, the story follows thirteen guests trapped on a remote island off Mallorca’s coast after a violent storm cuts them off from the mainland. When a British tourist is found dead in what first looks like a suicide, suspicions of murder quickly take hold. A retired actor once famous for playing Sherlock Holmes on screen unexpectedly becomes the group’s real-life detective, teaming up with an aspiring thriller writer to investigate every guest at the isolated hotel while the property’s manager tries to keep the situation under control.

### Who’s In The Cast?

The series is led by José Coronado in the Holmes-inspired role, alongside María Valverde, Martiño Rivas, and Maribel Verdú. The supporting cast includes Gonzalo de Castro, Cristina Kovani, José Condessa, and Pepón Nieto. Félix Viscarret directs from a screenplay adapted by Alberto Macías, Carlos Molinero, and Marisol Farré, produced by Fernando Bovaira for Mod Producciones.

| Detail | Info |
| --- | --- |
| Title | The Final Problem |
| Release Date | September 25, 2026 |
| Episodes | 5 |
| Genre | Mystery Thriller |
| Based On | Arturo Pérez-Reverte’s novel |
| Director | Félix Viscarret |
| Lead Cast | José Coronado, María Valverde, Maribel Verdú |

Sherlock Holmes remains one of literature’s most enduring detective figures, inspiring countless adaptations across film and television — you can read more about the character’s legacy on [Wikipedia](https://en.wikipedia.org/wiki/Sherlock_Holmes).

For more Netflix release dates, first looks, and mystery-thriller updates, check out [TechnoSports’ entertainment section](https://technosports.co.in/).

[Video](https://www.youtube.com/embed/CfjAUfv6F6o?feature=oembed)

## FAQs

### **Q1. When does The Final Problem release on Netflix?**

It premieres globally on September 25, 2026, with five episodes.

### **Q2. What is The Final Problem based on?**

  
It’s adapted from Arturo Pérez-Reverte’s bestselling mystery novel of the same name.