Sherlock: Season 4 (2017)


Season 4

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.



Critic Ratings: 28


Audience Score

User Ratings: 3261

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Air date: Jan 1, 2017
Air date: Jan 8, 2017
Air date: Jan 15, 2017

Sherlock: Season 4 Videos

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Tv Season Info


Benedict Cumberbatch
as Sherlock Holmes
Martin Freeman
as Dr. John Watson
Rupert Graves
as Detective Inspector Lestrade
Una Stubbs
as Mrs. Hudson
Andrew Scott
as Jim Moriarty
Vinette Robinson
as Sgt. Sally Donovan

News & Interviews for Sherlock: Season 4

Critic Reviews for Sherlock Season 4

All Critics (28) | Top Critics (8)

It's a jolly enough episode, but not as thrillingly stylish as some past adventures.

Apr 11, 2019 | Rating: 3/5 | Full Review…

Not many shows can handle such swift and complete shifts in tone as this, but Sherlock makes them look positively elementary.

Feb 13, 2018 | Full Review…

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.

Dec 27, 2017 | Rating: 4/5 | Full Review…

Sherlock selects plot elements and incidental details from the original stories and mixes and mashes them together, adding new ingredients to taste.

Jan 3, 2017 | Full Review…

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 3, 2019 | Full Review…

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…

The stories were plodding, melodramatic garbage and the episodes weren't even well made.

Mar 13, 2019 | Rating: F | Full Review…

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…

It seems typically Moffatian that we finally learned more about Mary's intriguing backstory just before we lost her, but the mystery surrounding her work with AGRA proved to be a compelling framework for the episode.

Apr 11, 2019 | Full Review…

Instead of truly reckoning with those emotional crises, the Sherlock season four finale is riddled with improbable showiness, melodramatic conclusions, and logic-defying puzzling turning points.

Aug 28, 2018 | Full Review…

The show makes something of a thesis statement. It would've been interesting for Sherlock to explore this idea more, or to do something with its modern setting other than show what Sherlock Holmes looked like solving mysteries in it.

Aug 6, 2018 | Full Review…

This season of Sherlock was a rollercoaster of emotions. [Full Review in Spanish]

Jul 10, 2018 | Full Review…

Audience Reviews for Sherlock: Season 4

  • May 21, 2020
    I know it received mixed reviews but I consider it an absolute masterpiece and the best show ever.
  • May 14, 2020
    Wow!At last Another Great season the way 2 and 3 episodes were it was literally most unique and amazing season of series but the 1st episode it was literally Over the top and unnecessary.throughout the season music is masterpiece as always.screenplay,acting was great but the story-line felt little experimental as everything till now rest upon it and sure love the ending although it was shockingly unbelievable the one behind Mind of Moriarty .The 1st episode was literally waste the whole case of Mary and her fate felt WHY!2nd episode was literally shocking love to see Sherlock at his Lowest terms solving case and that investigation and Unusual character surprises me A-lot specially The Car scene of Mrs Hudson and love that shocking touch of love and disconnection between Watson and Sherlock and Finally last episode was literally insane and Extraordinary although it changes whole perception of Moriarty but it was Amazing and brilliant ending to Sherlock.Whole season was surprisingly Great except the 1st episode the whole series is literally Masterpiece and One of the greatest Detective Show Ever!
  • May 14, 2020
    Literally the only two good things this season were baby Rosie and John's new hairstyle.
  • Apr 26, 2020
    Sherlock, as you've never seen it before and never wanted to see it. Do yourself a favour and don't waste your time
  • Apr 20, 2020
    They dropped the ball here. Far from a "who dunnit" that showcases the brilliance of Sherlock Holmes, it morphs into a mystery/action series, and not a very good one. It doesn't help that there are some serious plot holes and everybody starts behaving out of character.
  • Apr 07, 2020
    Worst season of Sherlock. A disapointed, ilogical and nonsense piece of shit. We deserves better.
  • Apr 03, 2020
    Melodramatic nonsense.
  • Feb 10, 2020
    I would never believe the people who wrote the first two series of Sherlock also did this one. So much fails to hold together. It's like a series of scenes were written by 40 strangers then were just randomly strung together. I hate that they lazily turned my favorite character, John Watson, into such a douche. I know that Cumberbatch is a big star, but please, Freeman helped to make this show great. I would have been dead drunk it was playing the game. "Take a drink every time you see a plot hole, inconsistency or non-sensical behavior by a major character."
  • Jan 09, 2020
    DO you think that you know all sherlock's relatives? well you must reconsider....
  • Nov 30, 2019
    Sherlock has always been a ridiculous show, and as the series progressed elaborately confusing plots and over-the-top, ridiculously intelligent superpowered characters have only become more unconvincing and goofy - but even at its logically worst, the show still remained a very good show, partly because of its utilizing these moments for comedic effect, partly because in the end, the mysteries are really only there to develop these extremely well-written, well-developed characters. Sherlock season 4 has lost all sense of self-awareness, however, with storylines and masterminded plots so ridiculously bad and unaware of its own stupidity that even the show's excellent cinematography and trademark visual inventiveness can't save it. It's clear that by this season the creators became too ambitious have tried to do too much, and the result is a confusing, dark, and yet still weirdly schlock season with a myriad of plot holes and stupid characters. This season, and especially the last episode, doesn't even feel like they're from the original Sherlock creators anymore, with the only clue that they were indeed written by Mark Gatiss and Steven Moffat being its visual style, but the visuals are pointless when the only thing they're supporting is a garbage story. Especially when you compare this to the first season, season 4 feels so separated, as to basically be unrecognizable. Cumberbatch and Freeman are just as amazing as they have been in previous seasons, and clearly still have a lot of passion and skill when it comes to performing their respective characters. The creators, on the other hand, clearly had a lot of passion, but unfortunately couldn't retain their control and understanding of what made the show so great in the first place; not complicated plots, not superhuman intellects, but the characters, who carry the show even through the most exaggerated of times.

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