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Season 4 – Sherlock

Play trailer Poster for Season 4 – Sherlock 2017 Adventure Crime Drama Play Trailer Watchlist
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54% Tomatometer 123 Reviews 46% Popcornmeter 2,500+ Ratings
In this contemporary version of Sir Arthur Conan Doyle's detective stories, Dr. John Watson is a war vet just home from Afghanistan. He meets the brilliant but eccentric Holmes when the latter, who serves as a consultant to Scotland Yard, advertises for a flatmate. Almost as soon as Watson moves into the Baker Street flat, they are embroiled in mysteries, and Sherlock's nemesis, Moriarty, appears to have a hand in the crimes.
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Sherlock — Season 4

Sherlock — Season 4

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Critics Consensus

Sherlock makes a welcome and shocking return, and Cumberbatch and Freeman are game, but it may prove difficult to live up to the lofty expectations created by the series' lengthy hiatus.

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Critics Reviews

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Martin Hoyle Financial Times It's a jolly enough episode, but not as thrillingly stylish as some past adventures. Rated: 3/5 Apr 11, 2019 Full Review Karl Quinn The Age (Australia) Not many shows can handle such swift and complete shifts in tone as this, but Sherlock makes them look positively elementary. Mar 27, 2018 Full Review James Jackson Times (UK) How great to see Jones let rip after so many down-at-heel roles; even his toothy leer, which reminded me of Alec Guinness's in The Ladykillers, felt award-worthy. Rated: 4/5 Dec 28, 2017 Full Review Chris Hansell Cultured Vultures They've abandoned the mystery format that makes Holmes such a fun character to be around. In an almost literal sense, they've lost the plot. Oct 4, 2019 Full Review Eleanor Halls GQ Magazine [UK] Frankly, it's just a shame the BBC only bothered to make the finale worth watching, rather than the whole series. Jul 9, 2019 Full Review Rosemary Collins The Mary Sue If this is the end, then it leaves the people who loved the show for its celebration of difference with a troubling message: that difference makes you a hero if you're a white man, and an aberration if you're anyone else. Apr 12, 2019 Full Review Read all reviews

Audience Reviews

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Shadow mask_ ق A creative end. To a creative season 👍 Rated 4 out of 5 stars 05/07/25 Full Review Amir S Season 4 - is the season with the most twists and turns, on the one hand, surprising episodes in some of the twists with Sherlock's sister, and on the other hand, it disappointed me, because the expectations were one thing and I got the opposite. Rated 4 out of 5 stars 03/26/25 Full Review Elaine C Became a huge fan of Sherlock from day one, it wasn't meant to compete with any of the movies of the same name. This is a different take on the books and the characters. Every actor was carefully chosen and bought into the ethos of the shows. The main characters became so real, humorous, unpredictable and evil. The long wait between series became an excuse to rewatch and discover hidden gems missed the first time around. This version of Sherlock is a not to be missed part of television history.Binge the box set. Rated 5 out of 5 stars 03/12/25 Full Review Korra N The lengthy wait between seasons was not worth it, with what might be the final season of Sherlock being mostly uninteresting and melodramatic, even if Cumberbatch & Freeman are great as ever. Rated 2.5 out of 5 stars 12/01/24 Full Review Taylor M Sorry but your Sherlock can't touch our Robert Downey Jr Sherlock. So sowwy lads. Rated 3 out of 5 stars 01/11/25 Full Review Kesava Dharshan The first two episodes were truly good, and funny in a way, liked these two compared to the older ones. But then "The final problem" is not my pick of the lot. Rated 3.5 out of 5 stars 12/31/23 Full Review Read all reviews
Sherlock — Season 4

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Cast & Crew

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Benedict Cumberbatch

Sherlock

Martin Freeman

Watson

Una Stubbs

Mrs Hudson

Rupert Graves

Inspector Lestrade

Mark Gatiss

Mycroft Holmes

Amanda Abbington

Mary Watson

Episodes

Episode 1 Aired Jan 1, 2017 The Six Thatchers Sherlock waits to learn where Moriarty will make his posthumous move; Watson and his wife prepare for the birth of their first child. Details Episode 2 Aired Jan 8, 2017 The Lying Detective Sherlock faces perhaps the most chilling enemy of his long career, the powerful and seemingly unassailable Culverton Smith, a man with a very dark secret. Details Episode 3 Aired Jan 15, 2017 The Final Problem Long buried secrets catch up with Sherlock and Watson; someone has been playing a very long game; alone and defenceless, the Baker Street duo face their greatest ever challenge. Details

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Sherlock — Season 4

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Season Info

Director
Benjamin Caron, Rachel Talalay
Executive Producer
Steven Moffat
Screenwriter
Mark Gatiss, Steven Moffat
Network
BBC
Rating
TV-14
Genre
Adventure, Crime, Drama
Original Language
British English
Release Date
Jan 1, 2017