Check out the new trailer for Young Sherlock! Streaming on Prime Video March 4, 2026. The origin story of Sir Arthur Conan Doyle's beloved detective in an explosive re-imagining of this iconic character. At age 19, Sherlock Holmes is disgraced, raw, unfiltered, and unformed, when he finds himself caught up in a murder mystery at Oxford University which threatens his freedom. Diving into his first-ever case with a wild lack of discipline, Sherlock manages to unravel a globe-trotting conspiracy that will change his life forever. © Amazon MGM