Young Sherlock (British TV series)

This article is about the 2026 television series. For similar titles, see Young Sherlock.

Young Sherlock
GenreMystery
Created byMatthew Parkhill
Inspired byYoung Sherlock Holmes
by Andrew Lane
Sherlock Holmes canon
by Arthur Conan Doyle
Developed by
Starring
Opening theme"Days Are Forgotten" by Kasabian
Country of originUnited Kingdom
Original languageEnglish
No. of series1
No. of episodes8
Production
Executive producers
  • Guy Ritchie
  • Ivan Atkinson
  • Simon Kelton
  • Dhana Rivera Gilbert
  • Marc Resteghini
  • Simon Maxwell
  • Harriet Creelman
  • Colin Wilson
  • Matthew Parkhill
ProducerMax Keene
Running time43–55 minutes
Production companies
Original release
NetworkAmazon Prime Video
Release4 March 2026 (2026-03-04)

Young Sherlock is a mystery television series that is created by Matthew Parkhill and developed by Peter Harness and Guy Ritchie who also directed episodes. It is inspired by Andrew Lane's Young Sherlock Holmes book series, itself a pastiche of Arthur Conan Doyle's original Sherlock Holmes stories. Hero Fiennes Tiffin stars as Holmes. The series premiered on Amazon Prime Video on 4 March 2026.

Premise

As a 19-year-old at Oxford University, Sherlock Holmes is not yet the master detective he grows up to be. He is raw and unfiltered, and he lacks discipline. A murder at Oxford puts Holmes's freedom at risk, and he sets out to solve his first murder mystery that leads him to a global-level conspiracy.[1]

Cast and characters

Main

Supporting

Episodes

No.TitleDirected byWritten byOriginal release date [2]
1"The Case of the Missing Scrolls"Guy RitchieMatthew Parkhill and Peter Harness4 March 2026 (2026-03-04)
A childhood flashback shows young Sherlock Holmes failing to watch his sister Beatrice, who disappears. In the present, Sherlock is released from prison after a sentence for pickpocketing. His brother Mycroft secures him a position at Oxford's Candlin College as a scout (servant), not a student. There he meets Princess Shou'an of China, who has brought priceless fifth-century BC scrolls of Sun Tzu's The Art of War, and befriends student James Moriarty. When the scrolls are stolen, Sherlock is the prime suspect. The Princess allows him to investigate. He determines the break-in was staged from the inside and that the scrolls never left the building – a cabinet was moved through hidden medieval passageways and rigged with a bomb timed to explode during a gala next door. Sherlock evacuates the gala moments before the detonation. The scrolls are recovered, but Professor Thompson is found murdered and Sherlock is arrested on suspicion.
2"The Case of the Burnt Photograph"Guy RitchieSteve Thompson4 March 2026 (2026-03-04)
Sherlock is interrogated for Professor Thompson's murder but cannot remember the previous night. Princess Shou'an denies being with him, and Mycroft's appeal to Sir Bucephalus Hodge is rebuffed. Moriarty, stripped of his scholarship by Hodge, breaks Sherlock out of prison disguised in a laundry cart. In hiding, they deduce that Shou'an drugged Sherlock's drink and framed him. They recall a burnt photograph she tried to conceal and trace it to a local photographer, discovering it shows four professors – Thompson, Roberts, Enright, and Malik – all seated nearest the bomb at the gala. The bomb was intended to kill all four. Sherlock and Moriarty race to warn the surviving professors but find Roberts already dead. Meanwhile, a secret meeting reveals Shou'an is working with unknown conspirators and has been ordered to eliminate the professors within a week. Two targets remain alive.
3"The Case of the Unarmed Man"Anders EngströmMelissa Bubnic4 March 2026 (2026-03-04)
Sherlock and Moriarty investigate Professor Enright’s rooms while Shou’an stalks her next target. They uncover Enright’s research into mineral extraction in the Gansu Corridor and connect it to Sir Bucephalus Hodge’s fortune and a secret project involving the four doomed professors. After decoding clues from Enright’s student, Sherlock and Moriarty trace the professor to a bell tower, but arrive too late: Shou’an murders him and escapes, revealing that Sherlock himself unwittingly helped her find him. A clue from one of Shou’an’s gloves leads Sherlock to suspect that the woman at Oxford is not the real princess at all, and Ezra Hornsby’s testimony confirms the real Shou’an was likely replaced during the earlier kidnapping. Flashbacks reveal Shou’an was manipulated into hunting the “four apostles” to avenge her slaughtered family, but she begins to realise she has been used by her co-conspirators. Sherlock, Moriarty, and Mycroft convince Hodge to help them set a trap using Professor Malik as bait. Shou’an infiltrates the house despite a police watch, but Sherlock confronts her before she can kill again. She is arrested after hinting at a threat closer to home.
4"The Case of the Missing Button"Anders EngströmSteve Thompson4 March 2026 (2026-03-04)
Sherlock visits his mother Cordelia in the asylum, where he discovers a hidden recording device in her room. He breaks her out and brings her to the Holmes family home with Moriarty. Cordelia's repeated warning about "the man with the bird's claw" leads Sherlock to deduce she is describing Professor Malik's distinctive walking cane – suggesting Malik has been secretly recording her. Sherlock and Moriarty question the imposter in her cell; she reveals a safe house and confirms Malik is connected to whoever orchestrated the murders. The real Princess Shou'an tells Hodge that her captors spoke of meeting Malik at a ruined medieval abbey. Meanwhile, Mycroft and Sherlock find solicitor Lawson Jaggers apparently murdered and a recording cylinder sabotaged to conceal what passed between him and Cordelia. At the abbey, Hodge confronts Malik, who reveals he betrayed Hodge because he feared his discoveries would be stolen; Hodge then collapses and dies – apparently poisoned. The imposter escapes custody, and the Holmes family father Silas unexpectedly arrives.
5"The Case of Young Sherlock Holmes"Anders EngströmMatthew Parkhill4 March 2026 (2026-03-04)
With Silas's return, the Holmes family reunites and Cordelia – now on adjusted medication – enjoys a rare family dinner. Silas reveals that Professor Malik had been recording multiple asylum patients as supposed scientific research, and that solicitor Jaggers took his own life when the scheme faced discovery. Sherlock and Moriarty investigate Silas's finances and uncover that four of his companies went bankrupt in 1858, only for his fortunes to reverse dramatically the following year – the year his daughter Beatrice died. They learn Silas took power of attorney over Cordelia when she was committed, seizing control of the estate, and that he paid off the groundskeeper's debt shortly after Beatrice's death. The family doctor confirms he was never summoned to examine Beatrice's body, an outside doctor having been called instead. Growing suspicious that his sister's death was staged, Sherlock exhumes her grave and discovers the skeleton lacks the broken arm Beatrice sustained in childhood – the body is not hers, raising the possibility that Beatrice is still alive.
6"The Case of the Killing Jar"Dennie GordonMatthew Parkhill4 March 2026 (2026-03-04)
Following the exhumation, Silas deflects Sherlock's accusations and dismisses his suspicions as inherited madness. Sherlock deduces from the estate game book that groundskeeper Nathan Burford smuggled Beatrice off the property in a delivery cart the day after her supposed death. The trail leads to a woman in Highgate – Mrs Tilcott – who raised Beatrice as "Hannah" until she left at fourteen, having received annual birthday gifts of pinned butterflies from an anonymous benefactor. Sherlock traces the specialist pins to a London shop, while Mycroft coerces information from Malik's associate, learning Malik has fled to Paris. The family converges there, navigating revolutionary barricades to reach Les Folies Bergère, where Silas is discovered attending a clandestine arms demonstration. Malik unveils an odourless, colourless nerve agent – the "creeping death" – capable of killing entire neighbourhoods, and offers it for sale to foreign military buyers. Sherlock intervenes to disrupt the sale, confronting Silas directly, as it becomes clear that Silas and Malik are partners and that Beatrice is still alive somewhere.
7"The Case of the Two Corners"Tricia BrockMelissa Bubnic4 March 2026 (2026-03-04)
Following a tunnel confrontation in Paris, Sherlock survives emergency surgery after being shot – a wound accidentally inflicted by Xiao Wei, who had been targeting Silas. At his bedside, Xiao Wei reveals that the creeping death was originally developed and funded by the British government under Hodge, tested on her Chinese village, and then stolen and sold by Malik to Silas as a private buyer. The group forms an uneasy alliance: Xiao Wei will help track Silas in exchange for the right to exact her own justice. Moriarty decodes the cryptic phrase "two corners" – a reference to Napoleon's bicorne hat and a Paris brasserie – and the family runs a confidence scheme there to reach Silas's intermediary, Kasgarli. Intercepting Kasgarli's telegram, they learn Silas is in Constantinople. There, Sherlock privately meets his father, who confirms Beatrice is alive and present in the city, but the woman produced at the exchange is not Beatrice. Silas escapes, and the episode ends with Sherlock and Mycroft held at gunpoint by their own father.
8"The Case of Beatrice Holmes"Tricia BrockMatthew Parkhill4 March 2026 (2026-03-04)
The revelation that Beatrice Holmes is alive and has been raised as Silas's secret operative forms the centrepiece of the finale. Held captive in Constantinople, Sherlock and Mycroft learn that Silas fabricated a story about Cordelia's dangerous madness to justify committing her to an asylum and spiriting Beatrice away as a child. Mycroft secretly contacts the British government and brokers a deal to buy the nerve agent exclusively from Silas, securing the brothers' release. After escaping and reuniting with Xiao Wei, Sherlock deduces a hidden passage in Silas's study that exposes his smuggling network and the full scope of the weapons programme – rockets designed to disperse the creeping death en masse. The group tracks Silas to his secret factory in Afshin via mountain tunnels; Beatrice, having accepted the truth about her father, helps destroy the facility, while Xiao Wei kills Professor Malik in vengeance for her murdered village. Sherlock prevents Beatrice from executing Silas, who jumps to his death. Xiao Wei returns home, but the episode closes with Moriarty having secretly retained the missing portion of Malik's equation, positioning himself as a dangerous independent power.

Production

Development of a television series adaptation of the Young Sherlock Holmes books written by Andy Lane was first reported in April 2024 with Hero Fiennes Tiffin starring as a young Sherlock Holmes and Guy Ritchie attached to the project as well.[3] Amazon Prime Video ordered eight-episodes of the series in May 2024 to be executive produced by Inspirational Entertainment and Motive Pictures. The series was written by showrunner Matthew Parkhill, who also executive produces. Ritchie directs and executive produces alongside Lane, Simon Kelton, Ivan Atkinson, Simon Maxwell, Harriet Creelman, Dhana Gilbert, Colin Wilson and Marc Resteghini.[4] Ritchie previously helmed two unrelated cinematic Holmes adaptations: Sherlock Holmes (2009) and Sherlock Holmes: A Game of Shadows (2011). The role of the nineteen-year-old Holmes is played by Hero Fiennes Tiffin, who had previously worked with Ritchie on The Ministry of Ungentlemanly Warfare.[5]

In June, Fiennes Tiffin's uncle Joseph Fiennes was cast as Sherlock's father, alongside Natascha McElhone as his mother.[6] In July, Zine Tseng, Colin Firth and Dónal Finn joined the cast.[7][8][9] Max Irons was seen filming scenes in late August, and he was revealed to be playing Mycroft Holmes shortly afterwards.[10]

Filming of the series began in the United Kingdom in July 2024.[11] Scenes were filmed in Bristol.[12] In 2024, filming took place in Spain (specifically Jerez, Cádiz and Seville),[13][14][15] and Cardiff, Wales.[16][17] Filming on the series wrapped in late February 2025.

Release

All eight episodes of Young Sherlock premiered on 4 March 2026 on Amazon Prime Video.[18] On 9 February 2026 there was a New York premiere screening.[19][20] The trailer for the series, which was released on 5 February 2026, set a new record for the most watched Amazon Prime Series trailer in its first seven days.[21] On 17 February 2026 there was a premiere of 2 episodes in Mexico City.[22][23] On 24 February there was premiere of the series in London[24][25].

Reception

On the review aggregator website Rotten Tomatoes, the series holds an approval rating of 84% based on 45 reviews. The website's critics consensus reads, "Young Sherlock doesn't aim to recreate Conan Doyle's work, rather, it takes pride in its liberal adaptation, delivering Guy Ritchie's signature blend of precise entertainment, sly style, and ingratiating characters."[26] Metacritic, which uses a weighted average, gave a score of 66 out of 100 based on 17 critics, indicating "generally favorable reviews".[27] While Hero Fiennes Tiffin has generally received praise for his pefomance as Young Sherlock, critics have felt Dónal Finn was more charismatic as James Moriarty stealing the spotlight.

References

  1. ^ Berman, Marc (29 May 2024). "'Young Sherlock' Series Ordered By Amazon Prime Video". Forbes. Archived from the original on 30 May 2024. Retrieved 30 May 2024.
  2. ^ "Shows A-Z – Young Sherlock on Amazon Prime Video". The Futon Critic. Retrieved 11 February 2026.
  3. ^ Methven, Nicola (3 April 2024). "Guy Ritchie to make TV drama about young Sherlock Holmes with Harry Potter star". The Mirror. Retrieved 28 April 2024.
  4. ^ Otterson, Joe (29 May 2024). "Amazon Orders Young Sherlock Holmes Series Starring Hero Fiennes Tiffin, Guy Ritchie to Direct". Variety. Penske Media Corporation. Archived from the original on 30 May 2024. Retrieved 29 May 2024.
  5. ^ Petski, Denise (29 May 2024). "Prime Video Orders Young Sherlock Series Starring Hero Fiennes Tiffin; Guy Ritchie to Direct". Deadline Hollywood. Archived from the original on 31 May 2024. Retrieved 30 May 2024.
  6. ^ Goldbart, Max (25 June 2024). "Joseph Fiennes & Natascha McElhone Board Guy Ritchie's Young Sherlock Series". Deadline Hollywood. Retrieved 26 June 2024.
  7. ^ Otterson, Joe (2 July 2024). "3 Body Problem Star Zine Tseng Joins Young Sherlock Series at Amazon". Variety. Archived from the original on 3 July 2024. Retrieved 3 July 2024.
  8. ^ Andreeva, Nellie (16 July 2024). "Colin Firth Joins Guy Ritchie's Young Sherlock Series For Prime Video". Deadline Hollywood. Archived from the original on 21 July 2024. Retrieved 19 July 2024.
  9. ^ Otterson, Joe (30 July 2024). "Young Sherlock Amazon Series Casts Wheel of Time Actor Dónal Finn (Exclusive)". Variety. Archived from the original on 30 July 2024. Retrieved 31 July 2024.
  10. ^ Andreeva, Nellie (23 September 2024). "Young Sherlock: Max Irons To Play Mycroft Holmes In Prime Video Series". Deadline Hollywood. Archived from the original on 23 September 2024. Retrieved 23 September 2024.
  11. ^ Calnan, Ellie (17 July 2024). "2024 film and high-end TV productions shooting in the UK and Ireland: latest updates". Screen Daily. Media Business Insight. Archived from the original on 17 July 2024.
  12. ^ "Hero Fiennes Tiffin Back in Bristol to Film Young Sherlock". bristol247.com. 13 January 2025. Archived from the original on 15 January 2025. Retrieved 29 January 2025.
  13. ^ Romero, Francisco (26 December 2024). "Jerez acogerá el rodaje de la nueva serie para Prime Video de Guy Ritchie, con Colin Firth y Joseph Fiennes" [Jerez will host the filming of Guy Ritchie's new Prime Video series, starring Colin Firth and Joseph Fiennes]. lavozdelsur.es (in Spanish). Comunicasur Media SL. Archived from the original on 10 February 2025. Retrieved 4 January 2025.
  14. ^ Crisol, Maria (26 December 2024). "La serie The Young Sherlock Homes de Prime Video elige Jerez como sede de grabación" [Prime Video's The Young Sherlock Holmes series chooses Jerez as its filming location]. El MIRA (in Spanish). Archived from the original on 28 December 2024. Retrieved 29 January 2025.
  15. ^ "Cádiz se disfraza del París de la Comuna para el rodaje de Young Sherlock" [Cádiz transforms into Paris during the Commune for the filming of Young Sherlock]. Diario de Cádiz (in Spanish). Grupo Joly. 23 January 2025. Retrieved 24 January 2025.
  16. ^ "Guy Ritchie's Young Sherlock to Bring Economic Boost to Cardiff". BusinessNewsWales. 28 January 2025. Retrieved 29 January 2025.
  17. ^ "Young Sherlock filmed at Great Point Seren Studios for Prime Video". theknowledgeonline.com. 27 January 2025. Archived from the original on 19 February 2025. Retrieved 29 January 2025.
  18. ^ Garner, Glenn (18 December 2025). "'Young Sherlock' Gets Premiere Date At Prime Video As Teaser Charts Detective's Origin Story". Deadline Hollywood. Retrieved 18 December 2025.
  19. ^ "123 Videos, Footage, & Video Clips - Getty Images". www.gettyimages.com. Retrieved 22 February 2026.
  20. ^ "YOUNG SHERLOCK PREMIERE, NYC". Average Socialite. 9 February 2026. Retrieved 3 February 2026.
  21. ^ Campione, Katie (13 February 2026). "'Young Sherlock' Trailer Swipes New Record For A Prime Video Series With 223M Views In 7 Days". Deadline. Retrieved 19 February 2026.
  22. ^ Gil, Liz (18 February 2026). "PRIME VIDEO - EL JOVEN SHERLOCK". Blog CINE (in Spanish). Retrieved 19 February 2026.
  23. ^ "MSN". www.msn.com. Retrieved 19 February 2026.
  24. ^ "83 Videos, Footage, & Video Clips - Getty Images". www.gettyimages.com. Retrieved 26 February 2026.
  25. ^ Kheir, Nada Aboul (25 February 2026). "'Young Sherlock's Hero Fiennes Tiffin Reveals Advice Henry Cavill Gave Him; Joseph Fiennes Talks Teaming With Nephew At Splashy London Premiere". Deadline. Retrieved 26 February 2026.
  26. ^ "Young Sherlock: Season 1". Rotten Tomatoes. Retrieved 13 March 2026.
  27. ^ "Young Sherlock: Season 1". Metacritic. Retrieved 7 March 2026.
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