Amazon’s streaming platform, Prime Video, premiered what became one of its most popular shows, “Young Sherlock,” in March 2026. According to Deadline, “Young Sherlock” will feature Olivia Williams, known for “Dune: Prophecy,” Sophie Skelton (Outlander), Indria Varma (The Night Manager), and Aldan Gillen (Game of Thrones). In addition to the new cast members, the hit Prime Video series will also include returning stars Hero Fiennes Tiffin, Dónal Finn, Natascha McElhone, Max Irons, and Holly Cattle. Prime Video’s ‘Young Sherlock’ Was Renewed In AprilPlayAll eight episodes of “Young Sherlock’s” first season arrived on Amazon’s Prime Video service in March 2026. Prime Video Has Renewed Other ShowsPlayIt’s unclear when “Young Sherlock” season two will premiere.