Young Sherlock (Prime Video, 2026)
Guy Ritchie’s origin story, with Hero Fiennes Tiffin as Holmes before he was anybody.
Before he was the great detective he was a young man with something to prove, and James Moriarty was already in the room.
You have Prime Video and you want something new to start tonight.
What it keeps and what it changes
Keeps: the family — Mycroft, and a mother, Cordelia — and Moriarty.
Changes: everything about the canon’s timeline; this is an origin story the stories never told.
Whose story is it?
young Holmes’s, with Moriarty as his opposite number.
How much time does it ask?
Eight episodes, all on Prime Video; Guy Ritchie directed the first two. Amazon says a second season is in production.
Dónal Finn plays James Moriarty; Natascha McElhone is Cordelia Holmes; Max Irons is Mycroft.
Where to find it
Other ways to get it: Find where it’s streaming — JustWatch
Common questions
Will there be a Young Sherlock season 2?
Yes. Amazon's own news page says the second season is in production, with no release date announced yet, and that Guy Ritchie will direct its first episode.
More versions: Sherlock Holmes, Granada Television (1984–1994) · Sherlock (BBC, 2010–2017) · Sherlock Holmes (2009) and A Game of Shadows (2011)