S02E21: 18-5-4
Patrick Jane and the CBI team investigate the death of a mathematical genius by a gun-wielding clown.
Previous Episode 
Season 1
Pilot
S1E1 / 23 Sep 2008
Red Hair and Silver Tape
S1E2 / 30 Sep 2008
Red Tide
S1E3 / 14 Oct 2008
Ladies in Red
S1E4 / 21 Oct 2008
Redwood
S1E5 / 28 Oct 2008
Red Handed
S1E6 / 11 Nov 2008
Seeing Red
S1E7 / 18 Nov 2008
The Thin Red Line
S1E8 / 25 Nov 2008
Flame Red
S1E9 / 02 Dec 2008
Red Brick and Ivy
S1E10 / 16 Dec 2008
Red John's Friends
S1E11 / 06 Jan 2009
Red Rum
S1E12 / 13 Jan 2009
Paint It Red
S1E13 / 18 Jan 2009
Crimson Casanova
S1E14 / 10 Feb 2009
Scarlett Fever
S1E15 / 17 Feb 2009
Bloodshot
S1E16 / 17 Mar 2009
Carnelian Inc.
S1E17 / 24 Mar 2009
Russet Potatoes
S1E18 / 31 Mar 2009
A Dozen Red Roses
S1E19 / 07 Apr 2009
Red Sauce
S1E20 / 28 Apr 2009
Miss Red
S1E21 / 05 May 2009
Blood Brothers
S1E22 / 12 May 2009
Red John's Footsteps
S1E23 / 19 May 2009
Season 2
Redemption
S2E1 / 24 Sep 2009
The Scarlet Letter
S2E2 / 01 Oct 2009
Red Badge
S2E3 / 08 Oct 2009
Red Menace
S2E4 / 15 Oct 2009
Red Scare
S2E5 / 29 Oct 2009
Black Gold and Red Blood
S2E6 / 05 Nov 2009
Red Bulls
S2E7 / 12 Nov 2009
His Red Right Hand
S2E8 / 19 Nov 2009
A Price Above Rubies
S2E9 / 10 Dec 2009
Throwing Fire
S2E10 / 17 Dec 2009
Rose-Colored Glasses
S2E11 / 14 Jan 2010
Bleeding Heart
S2E12 / 21 Jan 2010
Redline
S2E13 / 04 Feb 2010
Blood In, Blood Out
S2E14 / 11 Feb 2010
Red Herring
S2E15 / 04 Mar 2010
Code Red
S2E16 / 11 Mar 2010
The Red Box
S2E17 / 01 Apr 2010
Aingavite Baa
S2E18 / 08 Apr 2010
Blood Money
S2E19 / 22 Apr 2010
Red All Over
S2E20 / 29 Apr 2010
18-5-4
S2E21 / 06 May 2010
Red Letter
S2E22 / 13 May 2010
Red Sky in the Morning
S2E23 / 20 May 2010
Season 3
Red Sky at Night
S3E1 / 23 Sep 2010
Cackle-Bladder Blood
S3E2 / 30 Sep 2010
The Blood on His Hands
S3E3 / 07 Oct 2010
Red Carpet Treatment
S3E4 / 14 Oct 2010
The Red Ponies
S3E5 / 21 Oct 2010
Pink Chanel Suit
S3E6 / 28 Oct 2010
Red Hot
S3E7 / 04 Nov 2010
Ball of Fire
S3E8 / 11 Nov 2010
Red Moon
S3E9 / 18 Nov 2010
Jolly Red Elf
S3E10 / 09 Dec 2010
Bloodsport
S3E11 / 06 Jan 2011
Bloodhounds
S3E12 / 20 Jan 2011
Red Alert
S3E13 / 03 Feb 2011
Blood for Blood
S3E14 / 10 Feb 2011
Red Gold
S3E15 / 17 Feb 2011
Red Queen
S3E16 / 24 Feb 2011
Bloodstream
S3E17 / 10 Mar 2011
The Red Mile
S3E18 / 31 Mar 2011
Every Rose Has Its Thorn
S3E19 / 07 Apr 2011
Redacted
S3E20 / 28 Apr 2011
Like a Redheaded Stepchild
S3E21 / 05 May 2011
Rhapsody in Red
S3E22 / 12 May 2011
Strawberries and Cream (1)
S3E23 / 19 May 2011
Strawberries and Cream (2)
S3E24 / 19 May 2011
Season 4
Scarlet Ribbons
S4E1 / 22 Sep 2011
Little Red Book
S4E2 / 29 Sep 2011
Pretty Red Balloon
S4E3 / 06 Oct 2011
Ring Around the Rosie
S4E4 / 13 Oct 2011
Blood and Sand
S4E5 / 20 Oct 2011
Where in the World Is Carmine O'Brien?
S4E6 / 27 Oct 2011
Blinking Red Light
S4E7 / 03 Nov 2011
Pink Tops
S4E8 / 17 Nov 2011
The Redshirt
S4E9 / 08 Dec 2011
Fugue in Red
S4E10 / 15 Dec 2011
Always Bet on Red
S4E11 / 12 Jan 2012
My Bloody Valentine
S4E12 / 19 Jan 2012
Red Is the New Black
S4E13 / 02 Feb 2012
At First Blush
S4E14 / 09 Feb 2012
War of the Roses
S4E15 / 16 Feb 2012
His Thoughts Were Red Thoughts
S4E16 / 23 Feb 2012
Cheap Burgundy
S4E17 / 08 Mar 2012
Ruddy Cheeks
S4E18 / 09 Mar 2012
Pink Champagne on Ice
S4E19 / 29 Mar 2012
Something's Rotten in Redmund
S4E20 / 05 Apr 2012
Ruby Slippers
S4E21 / 26 Apr 2012
So Long, and Thanks for All the Red Snapper
S4E22 / 03 May 2012
Red Rover, Red Rover
S4E23 / 10 May 2012
The Crimson Hat
S4E24 / 17 May 2012
Season 5
The Crimson Ticket
S5E1 / 30 Sep 2012
Devil's Cherry
S5E2 / 07 Oct 2012
Not One Red Cent
S5E3 / 14 Oct 2012
Blood Feud
S5E4 / 21 Oct 2012
Red Dawn
S5E5 / 28 Oct 2012
Cherry Picked
S5E6 / 04 Nov 2012
If It Bleeds, It Leads
S5E7 / 11 Nov 2012
Red Sails in the Sunset
S5E8 / 18 Nov 2012
Black Cherry
S5E9 / 25 Nov 2012
Panama Red
S5E10 / 09 Dec 2012
Days of Wine and Roses
S5E11 / 06 Jan 2013
Little Red Corvette
S5E12 / 13 Jan 2013
The Red Barn
S5E13 / 27 Jan 2013
Red in Tooth and Claw
S5E14 / 17 Feb 2013
Red Lacquer Nail Polish
S5E15 / 03 Mar 2013
There Will Be Blood
S5E16 / 10 Mar 2013
Red, White and Blue
S5E17 / 17 Mar 2013
Behind the Red Curtain
S5E18 / 24 Mar 2013
Red Letter Day
S5E19 / 14 Apr 2013
Red Velvet Cupcakes
S5E20 / 21 Apr 2013
Red and Itchy
S5E21 / 28 Apr 2013
Red John's Rules
S5E22 / 05 May 2013
Season 6
The Desert Rose
S6E1 / 29 Sep 2013
Black-Winged Redbird
S6E2 / 06 Oct 2013
Wedding in Red
S6E3 / 13 Oct 2013
Red Listed
S6E4 / 20 Oct 2013
The Red Tattoo
S6E5 / 27 Oct 2013
Fire and Brimstone
S6E6 / 10 Nov 2013
The Great Red Dragon
S6E7 / 17 Nov 2013
Red John
S6E8 / 24 Nov 2013
My Blue Heaven
S6E9 / 01 Dec 2013
Green Thumb
S6E10 / 08 Dec 2013
White Lines
S6E11 / 05 Jan 2014
The Golden Hammer
S6E12 / 12 Jan 2014
Black Helicopters
S6E13 / 09 Mar 2014
Grey Water
S6E14 / 16 Mar 2014
White as the Driven Snow
S6E15 / 23 Mar 2014
Violets
S6E16 / 30 Mar 2014
Silver Wings of Time
S6E17 / 13 Apr 2014
Forest Green
S6E18 / 20 Apr 2014
Brown Eyed Girls
S6E19 / 27 Apr 2014
Il Tavolo Bianco
S6E20 / 04 May 2014
Black Hearts
S6E21 / 11 May 2014
Blue Bird
S6E22 / 18 May 2014
Season 7
Nothing But Blue Skies
S7E1 / 30 Nov 2014
The Greybar Hotel
S7E2 / 07 Dec 2014
Orange Blossom Ice Cream
S7E3 / 14 Dec 2014
Black Market
S7E4 / 21 Dec 2014
The Silver Briefcase
S7E5 / 28 Dec 2014
Green Light
S7E6 / 07 Jan 2015
Little Yellow House
S7E7 / 14 Jan 2015
The Whites of His Eyes
S7E8 / 21 Jan 2015
Copper Bullet
S7E9 / 28 Jan 2015
Nothing Gold Can Stay
S7E10 / 04 Feb 2015
Byzantium
S7E11 / 11 Feb 2015
Brown Shag Carpet
S7E12 / 18 Feb 2015
White Orchids
S7E13 / 18 Feb 2015
Simon Baker
Patrick Jane
Robin Tunney
Teresa Lisbon
Tim Kang
Kimball Cho
Rockmond Dunbar
Dennis Abbott
Joe Adler
Jason Wylie
