S03E19: One Watson, One Holmes
Holmes and Watson find themselves in the middle of a civil war being fought on the Internet when a member of Everyone, the anonymous hacker group they periodically work with, is murdered.
Previous Episode 
Season 1
Pilot
S1E1 / 27 Sep 2012
While You Were Sleeping
S1E2 / 04 Oct 2012
Child Predator
S1E3 / 18 Oct 2012
The Rat Race
S1E4 / 25 Oct 2012
Lesser Evils
S1E5 / 01 Nov 2012
Flight Risk
S1E6 / 08 Nov 2012
One Way to Get Off
S1E7 / 15 Nov 2012
The Long Fuse
S1E8 / 29 Nov 2012
You Do It to Yourself
S1E9 / 06 Dec 2012
The Leviathan
S1E10 / 13 Dec 2012
Dirty Laundry
S1E11 / 03 Jan 2013
M.
S1E12 / 10 Jan 2013
The Red Team
S1E13 / 31 Jan 2013
The Deductionist
S1E14 / 03 Feb 2013
A Giant Gun, Filled with Drugs
S1E15 / 07 Feb 2013
Details
S1E16 / 14 Feb 2013
Possibility Two
S1E17 / 21 Feb 2013
Déjà Vu All Over Again
S1E18 / 14 Mar 2013
Snow Angels
S1E19 / 04 Apr 2013
Dead Man's Switch
S1E20 / 25 Apr 2013
A Landmark Story
S1E21 / 02 May 2013
Risk Management
S1E22 / 09 May 2013
The Woman (1)
S1E23 / 16 May 2013
Heroine (2)
S1E24 / 16 May 2013
Season 2
Step Nine
S2E1 / 26 Sep 2013
Solve for X
S2E2 / 03 Oct 2013
We Are Everyone
S2E3 / 10 Oct 2013
Poison Pen
S2E4 / 17 Oct 2013
Ancient History
S2E5 / 24 Oct 2013
An Unnatural Arrangement
S2E6 / 31 Oct 2013
The Marchioness
S2E7 / 07 Nov 2013
Blood is Thicker
S2E8 / 14 Nov 2013
On The Line
S2E9 / 21 Nov 2013
Tremors
S2E10 / 05 Dec 2013
Internal Audit
S2E11 / 12 Dec 2013
The Diabolical Kind
S2E12 / 02 Jan 2014
All in the Family
S2E13 / 09 Jan 2014
Dead Clade Walking
S2E14 / 30 Jan 2014
Corpse de Ballet
S2E15 / 06 Feb 2014
The One Percent Solution
S2E16 / 27 Feb 2014
Ears to You
S2E17 / 06 Mar 2014
The Hound of the Cancer Cells
S2E18 / 13 Mar 2014
The Many Mouths of Aaron Colville
S2E19 / 03 Apr 2014
No Lack of Void
S2E20 / 10 Apr 2014
The Man with the Twisted Lip
S2E21 / 24 Apr 2014
Paint It Black
S2E22 / 01 May 2014
Art in the Blood
S2E23 / 08 May 2014
The Grand Experiment
S2E24 / 15 May 2014
Season 3
Enough Nemesis to Go Around
S3E1 / 30 Oct 2014
The Five Orange Pipz
S3E2 / 06 Nov 2014
Just a Regular Irregular
S3E3 / 13 Nov 2014
Bella
S3E4 / 20 Nov 2014
Rip Off
S3E5 / 27 Nov 2014
Terra Pericolosa
S3E6 / 04 Dec 2014
The Adventure of the Nutmeg Concoction
S3E7 / 11 Dec 2014
End of Watch
S3E8 / 18 Dec 2014
The Eternity Injection
S3E9 / 08 Jan 2015
Seed Money
S3E10 / 15 Jan 2015
The Illustrious Client (1)
S3E11 / 22 Jan 2015
The One That Got Away (2)
S3E12 / 29 Jan 2015
Hemlock
S3E13 / 05 Feb 2015
The Female of the Species
S3E14 / 12 Feb 2015
When Your Number's Up
S3E15 / 19 Feb 2015
For All You Know
S3E16 / 05 Mar 2015
T-Bone and the Iceman
S3E17 / 12 Mar 2015
The View from Olympus
S3E18 / 02 Apr 2015
One Watson, One Holmes
S3E19 / 09 Apr 2015
A Stitch in Time
S3E20 / 16 Apr 2015
Under My Skin
S3E21 / 23 Apr 2015
The Best Way Out is Always Through
S3E22 / 30 Apr 2015
Absconded
S3E23 / 07 May 2015
A Controlled Descent
S3E24 / 14 May 2015
Season 4
The Past is Parent
S4E1 / 05 Nov 2015
Evidence of Things Not Seen
S4E2 / 12 Nov 2015
Tag, You're Me
S4E3 / 19 Nov 2015
All My Exes Live in Essex
S4E4 / 26 Nov 2015
The Games Underfoot
S4E5 / 10 Dec 2015
The Cost of Doing Business
S4E6 / 17 Dec 2015
Miss Taken
S4E7 / 07 Jan 2016
A Burden of Blood
S4E8 / 14 Jan 2016
Murder Ex Machina
S4E9 / 21 Jan 2016
Alma Matters
S4E10 / 28 Jan 2016
Down Where the Dead Delight
S4E11 / 04 Feb 2016
A View With a Room
S4E12 / 11 Feb 2016
A Study in Charlotte
S4E13 / 18 Feb 2016
Who Is That Masked Man?
S4E14 / 25 Feb 2016
Up to Heaven and Down to Hell
S4E15 / 03 Mar 2016
Hounded
S4E16 / 10 Mar 2016
You've Got Me, Who's Got You?
S4E17 / 20 Mar 2016
Ready or Not
S4E18 / 27 Mar 2016
All In
S4E19 / 10 Apr 2016
Art Imitates Art
S4E20 / 10 Apr 2016
Ain't Nothing Like the Real Thing
S4E21 / 17 Apr 2016
Turn It Upside Down
S4E22 / 24 Apr 2016
The Invisible Hand
S4E23 / 01 May 2016
A Difference in Kind
S4E24 / 08 May 2016
Season 5
Folie à Deux
S5E1 / 02 Oct 2016
Worth Several Cities
S5E2 / 16 Oct 2016
Render, and then Seize Her
S5E3 / 23 Oct 2016
Henny Penny the Sky is Falling
S5E4 / 30 Oct 2016
To Catch a Predator Predator
S5E5 / 06 Nov 2016
Ill Tidings
S5E6 / 13 Nov 2016
Bang Bang Shoot Chute
S5E7 / 20 Nov 2016
How the Sausage is Made
S5E8 / 27 Nov 2016
It Serves You Right to Suffer
S5E9 / 11 Dec 2016
Pick Your Poison
S5E10 / 18 Dec 2016
Be My Guest
S5E11 / 08 Jan 2017
Crowned Clown, Downtown Brown
S5E12 / 15 Jan 2017
Over a Barrel
S5E13 / 29 Jan 2017
Rekt in Real Life
S5E14 / 19 Feb 2017
Wrong Side of the Road (1)
S5E15 / 05 Mar 2017
Fidelity (2)
S5E16 / 12 Mar 2017
The Ballad of Lady Frances
S5E17 / 19 Mar 2017
Dead Man's Tale
S5E18 / 26 Mar 2017
High Heat
S5E19 / 16 Apr 2017
The Art of Sleights and Deception
S5E20 / 23 Apr 2017
Fly Into a Rage, Make a Bad Landing
S5E21 / 30 Apr 2017
Moving Targets
S5E22 / 07 May 2017
Scrambled
S5E23 / 14 May 2017
Hurt Me, Hurt You
S5E24 / 21 May 2017
Season 6
An Infinite Capacity for Taking Pains
S6E1 / 30 Apr 2018
Once You've Ruled Out God
S6E2 / 07 May 2018
Pushing Buttons
S6E3 / 14 May 2018
Our Time is Up
S6E4 / 21 May 2018
Bits and Pieces
S6E5 / 28 May 2018
Give Me the Finger
S6E6 / 04 Jun 2018
Sober Companions
S6E7 / 11 Jun 2018
Sand Trap
S6E8 / 18 Jun 2018
Nobody Lives Forever
S6E9 / 25 Jun 2018
The Adventure of the Ersatz Sobekneferu
S6E10 / 02 Jul 2018
You’ve Come a Long Way, Baby
S6E11 / 16 Jul 2018
Meet Your Maker
S6E12 / 23 Jul 2018
Breathe
S6E13 / 30 Jul 2018
Through the Fog
S6E14 / 06 Aug 2018
How to Get a Head
S6E15 / 12 Aug 2018
Uncanny Valley of the Dolls
S6E16 / 13 Aug 2018
The Worms Crawl In, The Worms Crawl Out
S6E17 / 20 Aug 2018
The Visions of Norman P. Horowitz
S6E18 / 27 Aug 2018
The Geek Interpreter
S6E19 / 03 Sep 2018
Fit to Be Tied
S6E20 / 10 Sep 2018
Whatever Remains, However Improbable
S6E21 / 17 Sep 2018
Season 7
The Further Adventures
S7E1 / 23 May 2019
Gutshot
S7E2 / 30 May 2019
The Price of Admission
S7E3 / 06 Jun 2019
Red Light, Green Light
S7E4 / 13 Jun 2019
Into the Woods
S7E5 / 20 Jun 2019
Command: Delete
S7E6 / 27 Jun 2019
From Russia with Drugs
S7E7 / 04 Jul 2019
Miss Understood
S7E8 / 11 Jul 2019
On the Scent
S7E9 / 18 Jul 2019
The Latest Model
S7E10 / 25 Jul 2019
Unfriended
S7E11 / 01 Aug 2019
Reichenbach Falls
S7E12 / 08 Aug 2019
Their Last Bow
S7E13 / 15 Aug 2019
Jonny Lee Miller
Sherlock Holmes
Lucy Liu
Joan Watson
Jon Michael Hill
Marcus Bell
