The irreverent, action-packed mystery series charts the legendary origin story of the world's greatest detective, Sherlock Holmes.
Hero Fiennes Tiffin, Dónal Finn, Zine Tseng, Joseph Fiennes, Natascha McElhone, Max Irons, Numan Acar, Holly Cattle and Colin Firth star.
Matthew Parkhill created the series. Guy Ritchie will return to direct the first episode of the second season. They executive produce with Marc Resteghini, Dhana Rivera Gilbert, Simon Maxwell, Ivan Atkinson, Simon Kelton, Colin Wilson and Harriet Creelman. Amazon MGM Studios, Inspirational Entertainment, Motive Pictures and Toff Guy Films produce.
All eight episode of the first season were released on March 4, 2026.
"Young Sherlock has that rare magic - millions of fans around the world aren't just watching a detective story, they're falling in love with the origin of an icon," said Peter Friedlander, Head of Global Television, Amazon MGM Studios. "Guy Ritchie and Matthew Parkhill have cracked the code on making Sherlock's early years feel fresh, dangerous, and utterly addictive, and have introduced a compelling take on James Moriarty that sets the stage for what's to come. We can't wait to see where they take him next in Season Two."
