Young Sherlock Facts, FAQ & Common Questions
2026 · Prime Video · Status: Returning Series · Rated: TV-14
Frequently Asked Questions About Young Sherlock
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does Young Sherlock have?
Young Sherlock has 1 season and 8 total episodes, spanning from its premiere on March 4, 2026 to March 4, 2026.
Is Young Sherlock renewed, ended, or canceled?
Young Sherlock is currently an active returning series with future seasons planned or in development.
How long does it take to binge watch Young Sherlock?
It takes 6h 35m (395 minutes) to watch the complete run of Young Sherlock. At a standard pace of 2 hours per day, you will finish the entire series in approximately 4 days. Yes! At 6.6 hours total, you can comfortably finish this in a single weekend with about 3.3 hours per day.
What is the highest-rated episode of Young Sherlock?
The highest-rated episode is Season 1, Episode 3 ("The Case of the Unarmed Man"), which holds an outstanding rating of 8.5/10 based on 20 audience ratings.
Where can you stream or watch Young Sherlock?
Young Sherlock is available for streaming on Amazon Prime Video, Amazon Prime Video with Ads. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for Young Sherlock?
Young Sherlock has an official content rating of TV-14.
Who are the lead actors in Young Sherlock?
The primary ensemble cast includes Hero Fiennes Tiffin as Sherlock Holmes (age 28), Dónal Finn as James Moriarty (age 31), Zine Tseng as Princess Gulun Shou'an (age 32), Natascha McElhone as Cordelia Holmes (age 56).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Hero Fiennes Tiffin | Sherlock Holmes | 28 |
| Dónal Finn | James Moriarty | 31 |
| Zine Tseng | Princess Gulun Shou'an | 32 |
| Natascha McElhone | Cordelia Holmes | 56 |
| Max Irons | Mycroft Holmes | 40 |
| Ravi Aujla | Professor Kishore Malik | – |
| Purdy Hughes | Young Beatrice | – |
| Holly Cattle | Edie | 28 |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for Young Sherlock are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.