Young Sherlock (British TV series)
Young Sherlock is an upcoming television series set to release on Amazon Prime Video on 4 March 2026 everywhere and on 9 February 2026 in New York premiere screening with tickets 1iota.com. The series is an adaptation of Andrew Lane's [Young Sherlock Holmes (2009 film)|Sherlock Holmes (books)|Young Sherlock Holmes] book series, itself a pastiche of Arthur Conan Doyle's original Sherlock Holmes stories. Guy Ritchie directed the series, and Hero Fiennes Tiffin stars as Holmes.
Premise
As a 19-year-old at Oxford University, Sherlock Holmes is not yet the master detective he grows up to be. He is raw and unfiltered, and he lacks discipline. A murder at Oxford puts Holmes's freedom at risk, and he sets out to solve his first murder mystery that leads him to a global-level conspiracy.Cast and characters
- Hero Fiennes Tiffin as Sherlock Holmes, an unruly 19-year-old amateur investigator
- Zine Tseng as Princess Gulun Shou'an, a young Chinese princess, scholar, and martial artist
- Dónal Finn as James Moriarty, Sherlock's future nemesis
- Joseph Fiennes as Silas Holmes, Sherlock and Mycroft's adventurous father
- Natascha McElhone as Cordelia Holmes, Sherlock and Mycroft's artistic mother
- Colin Firth as Sir Bucephalus Hodge
- Max Irons as Mycroft Holmes, Sherlock's older brother
- Numan Acar as Esad
- Ravi Aujla as Kishmore Malik
- Holly Cattle as Edie
- Simon Delaney as Detective Fitget
- Adam James as Dr. Charles Maltby
- Rachel Shelley as Mrs. Anna Tilcott
- Ian Midlane
Production
Development of a television series adaptation of the Young Sherlock Holmes books written by Andy Lane was first reported in April 2024 with Hero Fiennes Tiffin starring as a young Sherlock Holmes and Guy Ritchie attached to the project as well. Amazon Prime Video ordered eight-episodes of the series in May 2024 to be executive produced by Inspirational Entertainment and Motive Pictures. The series was written by showrunner Matthew Parkhill, who also executive produces. Ritchie directs and executive produces alongside Lane, Simon Kelton, Ivan Atkinson, Simon Maxwell, Dhana Gilbert, Colin Wilson, and Marc Resteghini. Ritchie previously helmed two unrelated cinematic Holmes adaptations: Sherlock Holmes, and Sherlock Holmes: A Game of Shadows. The role of the nineteen year old Holmes is played by the twenty-six year old Hero Fiennes Tiffin who had previously worked with Ritchie on The Ministry of Ungentlemanly Warfare.In June, Fiennes Tiffin's uncle Joseph Fiennes was cast as Sherlock's father, alongside Natascha McElhone as his mother. In July, Zine Tseng, Colin Firth and Dónal Finn joined the cast. Max Irons was seen filming scenes in late August, and he was revealed to be playing Mycroft Holmes shortly afterwards.
Filming of the series began in the United Kingdom in July 2024. Scenes were filmed in Bristol. In 2024, filming took place in Spain, and Cardiff, Wales. Filming on the series wrapped in late February 2025.