Young Sherlock Teaser Out: Hero Fiennes Tiffin Stars in Guy Ritchie's Prime Video Series
Young Sherlock Teaser: Hero Fiennes Tiffin as Holmes, Premieres 2026

The world's most famous detective is getting a youthful makeover. Prime Video has officially pulled back the curtain on its highly anticipated series, 'Young Sherlock', by releasing its first teaser trailer. The show promises a fresh and explosive take on the early life of Sir Arthur Conan Doyle's iconic sleuth, portrayed by rising star Hero Fiennes Tiffin.

A Gritty Origin Story for a Legendary Detective

This isn't the polished genius of Baker Street we know. Young Sherlock presents a disgraced, raw, and unfiltered version of the character in the 1870s. The official logline reveals that the story kicks off when this anarchic adolescent finds himself entangled in a murder case that jeopardizes his freedom. Solving this first major mystery unravels a vast, globe-trotting conspiracy, setting him on the path to becoming the legend.

The series is described as an irreverent, action-packed adventure that will chart the formative years of Sherlock Holmes. It begins in the hallowed halls of 1870s Oxford before venturing to international locales. The show aims to expose the chaotic early antics of the young man who would eventually evolve into London's most renowned resident detective.

Star-Studded Cast and Creative Powerhouse

Leading the charge as the titular young detective is Hero Fiennes Tiffin, known for his role in the 'After' film series. He is joined by a formidable ensemble cast including Donal Finn, Zine Tseng, Joseph Fiennes, Natascha McElhone, Max Irons, and the acclaimed Colin Firth.

The creative vision comes from filmmaker Guy Ritchie, who directed the first two episodes and serves as an executive producer. Ritchie, who previously directed the Sherlock Holmes blockbuster films starring Robert Downey Jr., brings his signature style of wit, charm, and dynamic action to this television adaptation. The series is created for television and executive produced by showrunner Matthew Parkhill, with a team of producers including Dhana Rivera Gilbert, Marc Resteghini, and Simon Maxwell. Physical production was led by Motive Pictures.

Global Premiere and Streaming Details

Mark your calendars, as the wait for this origin story has a definitive end date. All eight episodes of 'Young Sherlock' will premiere on March 4, 2026. In a massive global rollout, the series will be available to stream exclusively on Prime Video in over 240 countries and territories worldwide, ensuring fans from India to every corner of the globe can join the adventure.

With its blend of a beloved literary character, a fresh narrative angle, a talented young lead, and the proven directorial flair of Guy Ritchie, Young Sherlock is poised to be a major event in the streaming landscape. The teaser has successfully ignited curiosity about how a troubled young man transformed into the world's greatest detective.