Elementary (2012–2019)
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The Illustrious Client 

0:21 | Trailer
Watson starts her new job as an investigator for an insurance firm, but ends up joining forces on a case with Sherlock when a threat to Kitty emerges.


Guy Ferland


Robert Doherty (created by), Jason Tracey | 1 more credit »



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Episode cast overview:
Jonny Lee Miller ... Sherlock Holmes
Lucy Liu ... Dr. Joan Watson
Jon Michael Hill ... Detective Marcus Bell
Aidan Quinn ... Captain Thomas Gregson
Stuart Townsend ... Del Gruner
Ophelia Lovibond ... Kitty Winter
Tammy Blanchard ... Violet de Merville
Katrina Lenk ... Sonia
David Valcin ... Osweiler
Robert Eli ... Ron Davis
Roe Hartrampf Roe Hartrampf ... Bartender
Murphy Guyer Murphy Guyer ... Detective Whitaker
P.J. Sosko ... Simon de Merville
Stan Demidoff ... TARU Detective
Wallace Smith Wallace Smith ... ESU Officer #1


Watson starts her new job as an investigator for an insurance firm, but ends up joining forces on a case with Sherlock when a threat to Kitty emerges.

Plot Summary | Add Synopsis


Crime | Drama | Mystery


TV-14 | See all certifications »

Parents Guide:

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Did You Know?


In Sir Arthur Conan Doyle's 1924 story "The Adventure of the Illustrious Client", an informant named Kitty Winter wanted revenge on the man who abused and degraded her, ruining her life. She gave Sherlock important information, but she was not the illustrious client he was attempting to help. More of this short story is included in the next broadcast. See more »


There was no evidence connecting Simon de Merville to Melanie Vilkas's murder but Sherlock gets convinced. See more »


Elementary Main Theme
Written by Sean Callery
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User Reviews

Kitty's dark sub-plot takes center stage
23 January 2015 | by adrian-fulneczekSee all my reviews

We've all known that the darkest part of Kitty's past is going to be revisited at some point in this season, but I don't think we were ready for that much. One of the rare times on Elementary when you are actually scared for the characters' well-being. The air of uncertainty and horror is all around as the ones who usually hunt the criminals become the hunted. The ending was heart-breaking and will make every fan of the show anticipate the next episode so much more. Surprisingly, it was almost as good as the Moriarty episode (e23?) in season one with almost as strong of a twist at the end. We are in for a treat in the upcoming episode, I hope (the Moriarty follow-up did not go as well).

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Release Date:

22 January 2015 (USA) See more »

Filming Locations:

New York City, New York, USA

Company Credits

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Technical Specs


Sound Mix:

Dolby Digital



Aspect Ratio:

16:9 HD
See full technical specs »

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