Bryan McAllister’s personal reference notebook
August 1, 2026Short & citedBlog
Civic Viewpoint.
A quiet encyclopedia with a personal desk
Kept by Bryan McAllister — short guides, clear facts, and the Canadian angle when it matters.
Screen & Stage • Series

Young Sherlock

Young Sherlock is a British television mystery series set in the 1870s and centered on Sherlock Holmes as a teenager.

Updated August 1, 20261 min readCited sources

Young Sherlock is a British mystery series set in the 1870s, following a teenage Sherlock Holmes as he tackles his first major case at Oxford University.

What it is

The series stars Hero Fiennes Tiffin as a 19-year-old Sherlock Holmes, recently released from jail and sent to Oxford. There, he becomes entangled in a murder investigation that spirals into a larger international conspiracy. It is inspired by Andrew Lane’s Young Sherlock Holmes novels and premiered on Prime Video on March 4, 2026, with eight episodes released at once.

Key details

The cast includes Max Irons as Mycroft Holmes, Zine Tseng as Gulun Shu, Natasha McElhone as Cordelia Holmes, Joseph Fiennes as Silas Holmes, and Dónal Finn as James Moriarty. The show is set in 1870s Oxford, blending academic intrigue with family secrets and global stakes.

Why it matters

Young Sherlock expands the Sherlock Holmes franchise with a fresh origin story, offering a younger, more vulnerable take on the iconic detective. It is accessible to Canadian viewers via Prime Video, adding to the platform’s slate of mystery and crime series.

In short

  • Young Sherlock follows a 19-year-old Sherlock Holmes at Oxford in the 1870s.
  • The series is based on Andrew Lane’s Young Sherlock Holmes novels.
  • Hero Fiennes Tiffin plays Sherlock; Max Irons plays Mycroft Holmes.
  • All eight episodes premiered on Prime Video on March 4, 2026.
Canadian angle

The series is part of the international Sherlock Holmes franchise and is available through Prime Video, which is accessible to Canadian viewers where offered.

Quick questions

What is Young Sherlock about?
It follows a 19-year-old Sherlock Holmes at Oxford University as he investigates his first major murder case, which develops into a larger conspiracy.
Who plays Young Sherlock?
Hero Fiennes Tiffin plays Sherlock Holmes.
What is the Young Sherlock release date?
Young Sherlock premiered on March 4, 2026, on Prime Video.

Sources

  1. The Killing Times — https://thekillingtimestv.wordpress.com/2026/03/06/series-review-young-sherlock/
    Supports: Premise, cast, and setting; identifies Hero Fiennes Tiffin, Max Irons, Zine Tseng, Natasha McElhone, Joseph Fiennes, and Dónal Finn.
  2. The Hollywood Reporter — https://www.hollywoodreporter.com/tv/tv-reviews/young-sherlock-review-guy-ritchie-amazon-1236519877/
    Supports: Series premise, eight-episode season, and adaptation from Andrew Lane’s novels.
  3. TV Guide — https://www.tvguide.com/tvshows/young-sherlock/1060524871/
    Supports: Series premise, 1870s Oxford setting, and origin-story framing.
  4. Times of India — https://timesofindia.indiatimes.com/web-series/news/english/young-sherlock-all-about-the-cast-plot-and-where-to-watch-a-complete-guide/photostory/129075813.cms
    Supports: Cast, plot, inspiration from Andrew Lane’s novel, and March 4, 2026 release date.
  5. The New York Times — https://www.nytimes.com/2026/03/03/arts/television/young-sherlock.html
    Supports: Premiere timing and adaptation context.
  6. Variety — https://variety.com/2026/tv/reviews/young-sherlock-review-prime-video-1236674654/
    Supports: Release date, setting, and lead casting.
  7. Wikipédia — https://fr.wikipedia.org/wiki/Young_Sherlock
    Supports: Synopsis, creator context, and lead cast; used cautiously as secondary support.
  8. IGN — https://www.ign.com/articles/young-sherlock-amazon-prime-video-review
    Supports: Adaptation from Andrew Lane book series and premiere date.