S04E20: Coder to Killer
A horrifying and vengeful villain threatens the FBI. Weller considers his priorities. Zapata and Reade try to navigate their living situation. Patterson explores a budding interest.
Previous Episode 
Season 1
Woe Has Joined
S1E1 / 21 Sep 2015
A Stray Howl
S1E2 / 28 Sep 2015
Eight Slim Grins
S1E3 / 05 Oct 2015
Bone May Rot
S1E4 / 12 Oct 2015
Split the Law
S1E5 / 19 Oct 2015
Cede Your Soul
S1E6 / 26 Oct 2015
Sent On Tour
S1E7 / 02 Nov 2015
Persecute Envoys
S1E8 / 09 Nov 2015
Authentic Flirt
S1E9 / 16 Nov 2015
Evil Handmade Instrument
S1E10 / 23 Nov 2015
Cease Forcing Enemy
S1E11 / 29 Feb 2016
Scientists Hollow Fortune
S1E12 / 07 Mar 2016
Erase Weary Youth
S1E13 / 14 Mar 2016
Rules in Defiance
S1E14 / 21 Mar 2016
Older Cutthroat Canyon
S1E15 / 28 Mar 2016
Any Wounded Thief
S1E16 / 04 Apr 2016
Mans Telepathic Loyal Lookouts
S1E17 / 11 Apr 2016
One Begets Technique
S1E18 / 18 Apr 2016
In the Comet of Us
S1E19 / 25 Apr 2016
Swift Hardhearted Stone
S1E20 / 02 May 2016
Of Whose Uneasy Route
S1E21 / 09 May 2016
If Love a Rebel, Death Will Render
S1E22 / 16 May 2016
Why Await Life's End
S1E23 / 23 May 2016
Season 2
In Night So Ransomed Rogue
S2E1 / 14 Sep 2016
Heave Fiery Knot
S2E2 / 21 Sep 2016
Hero Fears Imminent Rot
S2E3 / 28 Sep 2016
If Beth
S2E4 / 05 Oct 2016
Condone Untidiest Thefts
S2E5 / 12 Oct 2016
Her Spy's Harmed
S2E6 / 19 Oct 2016
Resolves Eleven Myths
S2E7 / 26 Oct 2016
We Fight Deaths on Thick Lone Waters
S2E8 / 09 Nov 2016
Why Let Cooler Pasture Deform
S2E9 / 16 Nov 2016
Nor I, Nigel, AKA Leg in Iron
S2E10 / 04 Jan 2017
Droll Autumn, Unmutual Lord
S2E11 / 11 Jan 2017
Devil Never Even Lived
S2E12 / 18 Jan 2017
Name Not One Man
S2E13 / 08 Feb 2017
Borrow or Rob
S2E14 / 15 Feb 2017
Draw O Caesar, Erase a Coward
S2E15 / 22 Feb 2017
Evil Did I Dwell, Lewd I Did Live
S2E16 / 22 Mar 2017
Solos
S2E17 / 29 Mar 2017
Senile Lines
S2E18 / 05 Apr 2017
Regard a Mere Mad Rager
S2E19 / 26 Apr 2017
In Words, Drown I
S2E20 / 03 May 2017
Mom
S2E21 / 10 May 2017
Lepers Repel
S2E22 / 17 May 2017
Season 3
Back to the Grind
S3E1 / 27 Oct 2017
Enemy Bag of Tricks
S3E2 / 03 Nov 2017
Upside Down Craft
S3E3 / 10 Nov 2017
Gunplay Ricochet
S3E4 / 17 Nov 2017
This Profound Legacy
S3E5 / 01 Dec 2017
Adoring Suspect
S3E6 / 08 Dec 2017
Fix My Present Havoc
S3E7 / 15 Dec 2017
City Folk Under Wraps
S3E8 / 22 Dec 2017
Hot Burning Flames
S3E9 / 12 Jan 2018
Balance of Might
S3E10 / 19 Jan 2018
Technology Wizards
S3E11 / 26 Jan 2018
Two Legendary Chums
S3E12 / 02 Feb 2018
Warning Shot
S3E13 / 02 Mar 2018
Everlasting
S3E14 / 09 Mar 2018
Deductions
S3E15 / 16 Mar 2018
Artful Dodge
S3E16 / 23 Mar 2018
Mum's the Word
S3E17 / 30 Mar 2018
Clamorous Night
S3E18 / 20 Apr 2018
Galaxy of Minds
S3E19 / 27 Apr 2018
Let It Go
S3E20 / 04 May 2018
Defection
S3E21 / 11 May 2018
In Memory
S3E22 / 18 May 2018
Season 4
Hella Duplicitous
S4E1 / 12 Oct 2018
My Art Project
S4E2 / 19 Oct 2018
The Quantico Affair
S4E3 / 26 Oct 2018
Sous-Vide
S4E4 / 02 Nov 2018
Naughty Monkey Kicks At Tree
S4E5 / 09 Nov 2018
Ca-Ca-Candidate For Cri-Cri-Crime
S4E6 / 16 Nov 2018
Case: Sun, Moon, and the Truth
S4E7 / 30 Nov 2018
Screech, Thwack, Pow
S4E8 / 07 Dec 2018
Check Your Ed
S4E9 / 11 Jan 2019
The Big Reveal
S4E10 / 18 Jan 2019
Careless Whisper
S4E11 / 01 Feb 2019
The Tale of the Book of Secrets
S4E12 / 08 Feb 2019
Though This Be Madness, Yet There Is Method In't
S4E13 / 15 Feb 2019
The Big Blast from the Past Episode
S4E14 / 08 Mar 2019
Frequently Recurring Struggle for Existence
S4E15 / 15 Mar 2019
The One Where Jane Visits an Old Friend
S4E16 / 22 Mar 2019
The Night of the Dying Breath
S4E17 / 05 Apr 2019
'Ohana
S4E18 / 12 Apr 2019
Everybody Hates Kathy
S4E19 / 19 Apr 2019
Coder to Killer
S4E20 / 24 May 2019
Masters of War 1:5 - 8
S4E21 / 31 May 2019
The Gang Gets Gone
S4E22 / 31 May 2019
Season 5
I Came to Sleigh
S5E1 / 07 May 2020
We Didn't Start the Fire
S5E2 / 14 May 2020
Existential Ennui
S5E3 / 28 May 2020
And My Axe!
S5E4 / 04 Jun 2020
Head Games
S5E5 / 11 Jun 2020
Fire & Brimstone
S5E6 / 18 Jun 2020
Awl In
S5E7 / 25 Jun 2020
Ghost Train
S5E8 / 02 Jul 2020
Brass Tacks
S5E9 / 09 Jul 2020
Love You to Bits and Bytes
S5E10 / 09 Jul 2020
Iunne Ennui
S5E11 / 23 Jul 2020
Jaimie Alexander
Jane Doe
Sullivan Stapleton
Kurt Weller
Audrey Esparza
Tasha Zapata
Ashley Johnson
Patterson
