Overview
- All eight episodes are now streaming globally on Prime Video after the March 4, 2026 release.
- Set in 1870s England, the series follows a 19-year-old Sherlock at Oxford whose first big case forges a formative bond with James Moriarty.
- Critics praise the fast-paced direction, inventive mind-palace sequences, and the chemistry between Hero Fiennes Tiffin and Dónal Finn.
- Showrunner Matthew Parkhill frames the story as a loose, pre-canonical take inspired by Andrew Lane’s novels, aging Sherlock up and charting new arcs.
- Production spans Oxford, South Wales, and South West England with the south of Spain doubling for Paris and Constantinople, and the cast includes Hero Fiennes Tiffin, Dónal Finn, Max Irons, Zine Tseng, Joseph Fiennes, Natascha McElhone, and Colin Firth.