Young Sherlock

Premiering on Amazon Prime Video in March 2026 with all eight episodes available at once, Young Sherlock is an irreverent, action-laden reimagining of Sir Arthur Conan Doyle’s iconic detective created for television by Matthew Parkhill and developed by Peter Harness and Guy Ritchie, who also directs the first two episodes. Inspired by Andrew Lane’s Young Sherlock Holmes book series, the show charts the origin story of the legendary detective before he became the master sleuth audiences know from classic tales.

The series finds Sherlock Holmes at 19 years old, working as a janitor at Oxford University while secretly listening in on classes. He’s everything the famous detective is not yet—anarchic, undisciplined, and still forming the instincts that will later define him. This version of Sherlock is charismatic and youthfully defiant but not yet infallible, making observations but lacking the polished deductive methods he’ll eventually master. He’s a mind still sharpening itself, a detective in the making rather than the finished product.

When a shocking murder occurs at Oxford, Sherlock becomes the prime suspect, putting his freedom at risk. To clear his name and uncover the truth, he must solve his first proper case—an investigation that quickly spirals beyond the university’s walls into a far-reaching international conspiracy. The mystery takes Sherlock on a globe-trotting adventure across vibrant Victorian England and beyond, exposing him to dangers, deceptions, and discoveries that will fundamentally shape who he becomes.

Crucially, the series explores relationships that will become legendary but haven’t yet turned adversarial. Sherlock meets and befriends James Moriarty (Dónal Finn), his future arch-nemesis, and the two form an immediate bond, finishing each other’s sentences and working together with remarkable synchronicity. This friendship, portrayed with genuine charm and chemistry, makes their eventual transformation into enemies all the more poignant. The series also introduces Princess Gulun Shou’an (Zine Tseng), a visiting scholar and martial artist with whom Sherlock shares serious chemistry, adding romantic intrigue to the detective’s early adventures.

Unlike most Holmes adaptations, Young Sherlock delves deeply into family dynamics. We meet Sherlock’s parents—scientist, explorer, and businessman Silas Holmes (Joseph Fiennes, Hero’s real-life uncle) and devoted artist Cordelia Holmes (Natascha McElhone)—characters who don’t appear in Conan Doyle’s original stories. The series also explores the complex relationship between Sherlock and his elder brother Mycroft (Max Irons), who arranged for Sherlock to be at Oxford, creating sibling rivalry alongside brotherly protection. Colin Firth appears as Sir Bucephalus Hodge, an arrogant Oxford dean whose presence adds weight to the academic setting.

Guy Ritchie brings his signature kinetic energy and stylized storytelling to the series, though with notably more control than his previous Holmes films. The show balances Ritchie’s characteristic fast-paced action with character-driven storytelling, creating something that respects its source material while feeling thoroughly contemporary. The visual style is bold and dynamic, with meticulous attention to period detail in costumes and settings that bring 1870s Oxford and Victorian England vividly to life.

Hero Fiennes Tiffin’s portrayal deliberately avoids imitating previous Holmes actors, instead leaning into uncertainty and youthful energy. This Sherlock is still learning, still making mistakes, still figuring out not just how to solve crimes but who he wants to be. The show positions itself as an origin story in the truest sense—we’re watching the formation of an icon, seeing the experiences and relationships that will forge the detective legend.

Upon release, Young Sherlock quickly became one of Prime Video’s most-watched series worldwide, toppling established hits and generating substantial online discussion. Critics praised its fresh approach to familiar material, the strength of its ensemble cast, and its ability to balance modern storytelling sensibilities with classic detective fiction. The series proves there’s still room for innovation within the Sherlock Holmes mythology, offering both longtime fans and newcomers an engaging entry point into the detective’s early years.

Yes, just Register and you will then be able to add notes to every character. Just click/tap on the character. The notes can only be seen by you (when you are Logged In)