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Season 4 – Sherlock

Play trailer Poster for Season 4 – Sherlock Jan 2017 Adventure Crime Drama Play Trailer Watchlist
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54% Tomatometer 123 Reviews 47% 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 04/11/2019
3/5
It's a jolly enough episode, but not as thrillingly stylish as some past adventures. Go to Full Review Karl Quinn The Age (Australia) 03/27/2018
Not many shows can handle such swift and complete shifts in tone as this, but Sherlock makes them look positively elementary. Go to Full Review James Jackson The Times (UK) 12/28/2017
4/5
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. Go to Full Review Chris Hansell Cultured Vultures 10/04/2019
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. Go to Full Review Eleanor Halls GQ Magazine [UK] 07/09/2019
Frankly, it's just a shame the BBC only bothered to make the finale worth watching, rather than the whole series. Go to Full Review Rosemary Collins The Mary Sue 04/12/2019
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. Go to Full Review Read all reviews

Audience Reviews

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Ukos W @Redheady Apr 22 A fun, energetic series. This season is a bit slower than the previous ones, but still not bad. See more Edward L @Glyndower Mar 9 Not as strong as the previous seasons but the second episode delivers a brilliant performance by Toby Jones as the Jimmy Savillesque 'cereal' killer. and is worth watching for that alone. Jones is genuinely frightening unlike the ludicrously camp Scott as Moriarty. See more Sylvia S. @qxt_circle Aug 15 New directors took over, and it’s clearly not the same team from Seasons 1 and 2. What’s left is a confusing plot and baffling character writing. Sherlock is still himself even while on drugs, but John—without any—somehow comes across as completely unlikable. Honestly, at this point it feels more like fanfiction. By the way, the pacing drags a lot too. See more Matheus F @matheusf_neto Aug 15 Not the best season, but the cast are fabulous. The last episode was very decent. See more Brandon K @TheKeizer Jun 7 Entertaining and well acted, the plot of this season is incredibly ridiculous. It goes from smart puzzle solving to supernatural powers almost, it's not great. See more Shadow mask_ ق @RT02459606 05/07/2025 A creative end. To a creative season 👍 See more Read all reviews
Sherlock — Season 4

My Rating

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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 (V)
Genre
Adventure, Crime, Drama
Original Language
British English
Release Date
Jan 1, 2017