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Season guide

Cold Blood: Season 4

20 episodes Premiered Oct 11, 2011 Updated Sep 27, 2026
Previously on Cold Blood

Season 4 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Directly follows the overarching narrative developments of Cold Blood Season 3.
  • ⚡ Faction dynamics and core character alliances shift under escalating external stakes.
  • ⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • ⚡ Sets up serialized story arcs that build directly toward the climactic season finale.
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Season 4 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 4 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 4: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

25%
75%
Mytharc (5): Crucial lore & season climaxes
Core (15): Character development & subplots
Side Quest (0): Standalone / filler
S4·E1 Mytharc

Island of Lies

Oct 11, 2011 · 60 min

An investigation into a 23-year-old Hawaiian tourist's rape and murder reveals a world of drugs and deception few vacationers ever see. And it's up to one lone detective to get the

S4·E2 Mytharc

Unnatural Causes

Oct 18, 2011 · 60 min

South California is the perfect place to retire, but when an 84-year-old is brutally raped and murdered in her senior living community everyone is a suspect. To find her killer, th

S4·E3 Core

Road to Murder

Oct 25, 2011 · 60 min

An 18-year-old runaway is found raped and strangled to death on the side of a San Diego road. Tracking down the cold-blooded killer will take years of detective work and a benign c

S4·E4 Core

In Plain Sight

Nov 1, 2011 · 60 min

In Colorado, a lifelong bad boy comes home to finds his wife, savagely raped and strangled to death. Evidence indicates the attack is personal. But is the husband is trying to get

S4·E5 Core

Friend or Foe

Nov 15, 2011 · 60 min

Murdock Nebraska, a man returns home to find his mother and father shot to death. Nothing of value is missing. Everyone in town is stunned by the news and they begin to wonder, is

S4·E6 Core

Shot in the Park

Nov 22, 2011 · 60 min

Minneapolis, Minnesota is a haven for its large gay community, until gunfire rips through the city leaving two men dead. An eyewitness leads investigators to a suspect, but soon af

S4·E7 Core

The Rolex Murder

Nov 29, 2011 · 60 min

Miami's Coconut Grove rarely sees trouble. Until Jos? Calvo, a family man, is shot in the head and robbed of his Rolex watch. What appears to be a random cash grab turns into a sin

S4·E8 Mytharc

Home Invasion

Dec 6, 2011 · 60 min

Aiken, South Carolina, is a tiny peaceful town where nothing much happens. Until Jessica Carpenter, 17, is found raped and murdered in her living room. The neighborhood goes on hig

S4·E9 Core

The Day the Music Died

Dec 14, 2011 · 60 min

Austin is famous for its music scene and party spirit--until a single mother is savagely beaten in her sleep. With no leads, and a culture that distrust authority, 21 years pass be

S4·E10 Core

The Lost Boy

Dec 20, 2011 · 60 min

In one of the most notorious missing children cases, Adam Walsh, 6, steps into a stranger's car and disappears. A manhunt is launched but Adam's severed head is found two weeks lat

S4·E11 Core

Framed

Apr 5, 2012 · 60 min

A horrendous miscarriage of justice made all the more famous by the book The Innocent Man - Murder & Injustice in a Small Town by John Grisham. In Ada Oklahoma, 21-year-old Deb

S4·E12 Core

On Her Own

Apr 12, 2012 · 60 min

Winston-Salem in 1982 is a city divided by race. And when a young white copy editor is raped and stabbed to death blocks from where she worked, the atmosphere is tense. Twenty year

S4·E13 Core

Evil Twin

Apr 19, 2011 · 60 min

Shock waves ripple throughout Clearwater, Florida, when an attractive waitress is found on her bedroom floor stabbed 16 times. As years pass and the case goes cold, police fear DNA

S4·E14 Core

Shot in the Dark

Apr 26, 2012 · 60 min

A budding college football player's life is cut short when his 21st birthday party ends with his brutal murder. A gun shot to the head with a bullet wound so exact that Lexington p

S4·E15 Core

Murder on the Menu

May 3, 2012 · 60 min

When Jim Webb, Co-Owner and Head Chef of the General Wayne Inn outside of Philadelphia, is found shot to death in his office, police hatch a plan so risky it could mean letting a k

S4·E16 Core

Park Slope Justice

May 10, 2012 · 60 min

A murderous attack in Park Slope, Brooklyn, leaves Sylvia Lugo dead and her girlfriend, Amanda Leach, raped and shot in the leg. Police struggle to pin down an assailant without an

S4·E17 Core

Philadelphia's Night Stalker

May 17, 2012 · 60 min

When Wharton business student Shannon Schieber is found raped and strangled to death in her Philadelphia apartment, the city errupts with outrage as it's discovered that Shannon's

S4·E19 Mytharc

Nightmare in Nashville

May 31, 2012 · 60 min

A McDonalds restaurant manager is murdered in a small Tennessee town and the police force goes into overdrive. But with a big list of suspects investigators are baffled and the cas

S4·E20 Mytharc

The Truth Hurts

Jun 15, 2012 · 60 min

Palo Alto's community sympathize with wealthy property developer Ken Fitzhugh when his wife of more than 30 years, Kristine, falls to her death down the basement stairs. But police

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