Prime Video’s Young Sherlock, starring Hero Fiennes Tiffin, premieres on March 4, 2026. Directed by Guy Ritchie, the series reimagines Sherlock Holmes’ turbulent youth in a dark, action-driven origin story
Young Sherlock
Prime Video has released the teaser art, teaser trailer and premiere date for the upcoming web series Young Sherlock, starring Hero Fiennes Tiffin (After series) as Sherlock Holmes. This reimagining of the beloved detective, brought to life by visionary director and executive producer Guy Ritchie, charts the origin story of Sherlock Holmes in an irreverent, action-laden mystery that follows the iconic detective’s early adventures. All eight episodes of the thrilling series will premiere on March 4, 2026, exclusively on Prime Video in more than 240 countries and territories worldwide.
Plot of Young Sherlock
With all the wit and charm of Guy Ritchie’s Sherlock Holmes feature films, Young Sherlock follows the origin story of Sir Arthur Conan Doyle’s beloved detective in an explosive re-imagining of this iconic character’s early days. Sherlock Holmes is a disgraced young man – raw and unfiltered – when he finds himself wrapped up in a murder case that threatens his liberty. His first ever case unravels a globe-trotting conspiracy that changes his life forever. Unfolding in 1870s Oxford and adventuring abroad, the series will expose the early antics of the anarchic adolescent who is yet to evolve into Baker Street’s most renowned resident.
With Young Sherlock, Ritchie brings the same energetic flair that defined his earlier Sherlock Holmes films, but grounds it in a darker, more character-driven origin story. The series leans into the chaos, impulsiveness, and raw intelligence of a young man not yet disciplined by method or reputation. Rather than reverence, the show opts for reinvention, positioning Sherlock as someone forged by danger, mistakes, and moral ambiguity.
Ritchie directs the first two episodes and serves as executive producer, shaping the tone and visual language of the series from the outset.
The cast of Young Sherlock
Previously announced cast members of Young Sherlock include Dónal Finn (The Wheel of Time), Zine Tseng (3 Body Problem), Joseph Fiennes (The Handmaid’s Tale), Natascha McElhone (Halo), Max Irons (Condor) and Colin Firth (The King’s Speech). Guy Ritchie directs the first two episodes and executive produces. The series is created for television and executive produced by showrunner Matthew Parkhill with executive producers Dhana Rivera Gilbert, Marc Resteghini, Simon Maxwell, Ivan Atkinson, Simon Kelton, Colin Wilson, and co-executive producers Harriet Creelman and Steve Thompson. Motive Pictures led physical production for Young Sherlock.
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