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Stream Guy Ritchie’s prequel series ‘Young Sherlock’

Stream Guy Ritchie’s prequel series ‘Young Sherlock’

Guy Ritchie’s Prime Video series explores Sherlock’s first case before he was a legend.

With a background in film and branded content, he covers sports and entertainment with sharp insight and creativity. A longtime Oilers fan, he’s still holding out hope for a Stanley Cup run.
All eight episodes of "Young Sherlock" drop on Wednesday, March 4 on Prime Video.

Even icons were once young. In the new Prime Video series, we get the opportunity to explore the life of the man who would become the world’s greatest detective, Sherlock Holmes. Guy Ritchie is returning to the Holmsian world following his 2009 “Sherlock Holmes” movie starring Robert Downey Jr. and Jude Law, but this time telling the story from the very beginning. “Young Sherlock” premieres on Amazon’s streamer on Wednesday, March 4. So, before Baker Street, before the legend, and before he had everything figured out, you can meet “Young Sherlock” with a 30-day free trial to Prime Video.

How to watch ‘Young Sherlock’

Everything you need to know about ‘Young Sherlock’

When does ‘Young Sherlock’ come out?

“Young Sherlock” premieres Wednesday, March 4 on Prime Video. All eight episodes drop at once, so this is very much a clear-your-weekend, hit-play-and-disappear kind of situation.

Can you watch ‘Young Sherlock’ for free once it starts streaming?

Yep, you can watch “Young Sherlock” for free because Prime Video still offers a 30-day free trial for new users. And because all episodes are dropping at once, you can watch the entire season without paying. After your free trial is over, a Prime Video subscription starts at $9 per month with ads or $12 per month ad-free.

Prime Video

Prime Video is a subscription video streaming service that includes on-demand access to 10,000+ movies, TV shows, and Prime Originals like “The Lord of the Rings: The Rings of Power,” “Jack Ryan,” “The Marvelous Mrs. Maisel,” “The Boys,” and more. Subscribers can also add third-party services like Max, Showtime, STARZ, and dozens more with Prime Video Channels. Prime Video also offers exclusive live access to NFL Thursday Night Football.

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Prime Video is included with Amazon Prime for $14.99 per month ($139 per year), or can be purchased on its own for $8.99 per month. A standalone, ad-supported version costs $8.99 per month, while the upgraded Prime Video Ultra tier, costing an extra $4.99 per month or $45.99 per year, adds Dolby Atmos support, ups video quality to 4K UHD, removes ads, and allows for 100 downloads and 5 simultaneous streams. Prime Video offers a 30-day free trial.

Prime Video currently offers over 25,000 movies and TV episodes, many of which are original productions. Live sports coverage includes NFL Thursday Night Football as well as select NBA, WNBA, and NWSL events.

Watch the trailer for ‘Young Sherlock’

What is ‘Young Sherlock’ about?

“Young Sherlock” is an origin story for Sherlock Holmes, set long before he becomes the brilliant detective we all know. This version of Sherlock is young, disgraced, and completely unpolished. He’s raw, impulsive, and still figuring out who he is when he gets wrapped up in a murder case that threatens his freedom.

Set primarily in 1870s Oxford, the series kicks off with Sherlock’s very first major case, which quickly spirals into something much bigger. What starts as a single mystery turns into a globe-trotting conspiracy that changes the course of his life. Along the way, we see the early instincts, mistakes, and anarchic energy of a teenager who hasn’t yet learned how to channel his brilliance. This is Sherlock before the rules, before the restraint, and before the legend. It’s messy, explosive, and clearly built to show how this kid eventually becomes Baker Street’s most famous resident.

Who stars in ‘Young Sherlock’?

Hero Fiennes Tiffin stars as a young Sherlock Holmes, stepping into the role at a point where the character is still forming. The supporting cast is stacked, too. Dónal Finn, Zine Tseng, Joseph Fiennes, Natascha McElhone, Max Irons, and Colin Firth all appear across the season, which is a pretty strong signal that Prime Video is treating this like a serious, long-term play and not just a one-off experiment.

How much does ‘Young Sherlock’ take from the books?

Based on what’s been released about the show so far, “Young Sherlock” isn’t adapting a specific Sir Arthur Conan Doyle story so much as it’s using the character as a jumping-off point. The series is described as an “explosive re-imagining” of Sherlock’s early days, with Sherlock shown as a disgraced young man in 1870s Oxford who gets pulled into his first major case, which then spirals into a globe-trotting conspiracy. That whole setup is new territory, because the original stories mostly drop us in once Sherlock is already Sherlock, fully formed, already operating out of Baker Street. So the DNA it’s taking from the books is the core idea of the character and his world, then building an original origin story around that, with Guy Ritchie’s style and energy guiding the vibe.

Who is making ‘Young Sherlock’?

Guy Ritchie directs the first two episodes and executive produces the series, which explains a lot about the tone right away. Expect it to be fast, stylish, a little irreverent, and very comfortable mixing action with character.

Excited for ‘Young Sherlock’ to hit Prime Video? Let us know what you think in the comments below.

Young Sherlock

March 4, 2026

Sherlock Holmes is a disgraced young man, raw and unfiltered, when he finds himself wrapped up in a murder case that threatens his liberty. His first ever case unravels a globe-trotting conspiracy that changes his life forever.


Thomas Waschenfelder writes about sports and entertainment for The Streamable, combining his deep knowledge of both fields with his experience in content creation. A graduate of USC’s prestigious School of Cinematic Arts, Waschenfelder has a strong background in film, which he leverages to craft engaging, high-quality content. When he’s not covering the latest developments in sports or entertainment, he’s patiently waiting for Connor McDavid to lead the Edmonton Oilers to a Stanley Cup victory.

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