Isabella Thornton
Here’s everything you need to know about the Netflix original The Final Problem — including its premiere date, streaming availability, episode guide, and complete cast lineup. You’ll also find out where to watch The Final Problem online and how to stream the Spanish mystery series in supported Netflix regions, including the US, UK, Canada, Australia, and more.
The Final Problem Synopsis
The Final Problem follows fading actor Benjamin Basil, who travels to Mallorca hoping to revive his struggling career. His plans change dramatically when a suspicious death occurs at an isolated hotel. Trapped by the circumstances, Basil begins using the detective skills he learned while portraying famous fictional investigators. Every hotel guest becomes a possible suspect, turning the peaceful location into a web of uncertainty. A mysterious murder weapon and a troubling accusation make the case even harder to understand. As suspicion spreads, Basil and the other guests begin questioning one another while waiting for outside help. The slow-burn Spanish mystery, based on a novel by Arturo Pérez-Reverte, builds toward a final confrontation with the secrets surrounding Santa Águeda.
When Does The Final Problem Premiere?
The Final Problem premieres on September 25, 2026. The Netflix listing identifies it as a 2026 limited series and categorizes it as a Spanish drama, mystery, crime thriller, and book adaptation.
Cast
- Jose Coronado – Benjamin Basil
- María Valverde – Adela Figueroa
- Martiño Rivas – Francisco Foxá
- Gonzalo de Castro – Fonseca
- Pepón Nieto – Doctor Seruya
- Cristina Kovani – Vicky
- José Condessa – Tony
- Daniel Holguín
- Michael Stobbe – Sr. Klemmer
- Maribel Verdú – Mrs. Raquel Ausländer
- Yaiza Guimaré – Frau Klemmer
- Paloma Bloyd
- Almudena Salort
How Many Episodes Does The Final Problem Have?
The Final Problem has four episodes, all forming one limited-series mystery.
Episode Guide:
- Episode 1 – 57 minutes: Benjamin Basil arrives in Mallorca hoping to restart his career. A sudden death changes everything, pushing him into the role of detective as the hotel’s guests become suspects.
- Episode 2 – 35 minutes: A possible murder weapon is discovered in Benjamin’s room. As he fears another attack, Vicky makes an accusation that does not completely fit the evidence.
- Episode 3 – 42 minutes: The hotel takes drastic action as contact with the police is finally established. Meanwhile, distrust grows and the stranded guests become increasingly suspicious of each other.
- Episode 4 – 48 minutes: Benjamin remains haunted by the events at Santa Águeda. The shooting of a new film brings hidden truths to the surface and ultimately resolves the final problem.
Where to Watch The Final Problem
You are able to watch The Final Problem on Netflix in supported regions, including the US, UK, Canada, Australia, India, and more. The Spanish mystery thriller premiered on September 25, 2026, and stars Jose Coronado, María Valverde, and Martiño Rivas in a gripping four-episode murder mystery.
Can I download The Final Problem for offline viewing?
Yes. Netflix’s official listing says The Final Problem is available to download, allowing eligible Netflix subscribers to save episodes on supported devices for offline viewing.
Netflix Supported Devices Scheme
| Device Category | Supported Devices |
|---|---|
| Smart TVs | Samsung, LG, Sony, TCL, Hisense and more |
| Streaming Devices | Roku, Fire TV, Apple TV, Chromecast |
| Mobile Devices | iPhone, iPad, Android phones and tablets |
| Computers | Windows PC, Mac, Chromebook |
| Game Consoles | PlayStation, Xbox |
| Fire Tablets | Amazon Fire tablets |
| Web Browsers | Chrome, Edge, Firefox, Opera, Safari |
| VR Devices | Apple Vision Pro, supported Meta Quest devices |
The Final Problem Trailer
FAQs
- Is The Final Problem based on a book?
Yes. The series is based on the bestselling novel The Final Problem by Arturo Pérez-Reverte. - Where is The Final Problem set?
The story is set on a small island near Mallorca, Spain, in the spring of 1959. - Where was The Final Problem filmed?
Parts of The Final Problem were filmed in Lloret de Mar, Catalonia, during spring 2025. Locations included the Santa Clotilde Gardens, Sa Boadella Cove, and Casa Roviralta.
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