Season 4

The fourth season of Criminal Minds premiered on CBS on September 24, 2008 and ended May 20, 2009.

Season episodes list 4

S04E01

S04E01 : Mayhem 7.6/10 (aired on 09/24/2008)

When an SUV carrying members of the team explodes, the rest of the team fights to save them and…
S04E02

S04E02 : The Angel Maker 7.11/10 (aired on 10/01/2008)

A series of murders is linked to a serial killer executed a year earlier, and the BAU team must…
S04E03

S04E03 : Minimal Loss 7.7/10 (aired on 10/08/2008)

Reid and Prentiss are taken hostage when they go under cover to investigate possible child abuse at…
S04E04

S04E04 : Paradise 6.91/10 (aired on 10/22/2008)

The BAU joins the manhunt to catch a serial killer who conceals the manner of his crimes by staging…
S04E05

S04E05 : Catching Out 6.82/10 (aired on 10/29/2008)

The BAU investigates a series of murders that appear to be connected to a killer who jumps trains…
S04E06

S04E06 : The Instincts 7.69/10 (aired on 11/05/2008)

While investigating the abduction of a young boy in Las Vegas, Dr. Reid starts to have dreams that…
S04E07

S04E07 : Memoriam 7.79/10 (aired on 11/12/2008)

As Reid's investigation of a young boy's murder in Las Vegas continues, he discovers possible…
S04E08

S04E08 : Masterpiece 7.5/10 (aired on 11/19/2008)

When a narcissistic psychopath confesses he has killed seven people and more will die, the team…
S04E09

S04E09 : 52 Pickup 7.21/10 (aired on 11/26/2008)

Agents Prentiss and Todd go undercover to profile a serial killer who uses skills of persuasion to…
S04E10

S04E10 : Brothers in Arms 6.91/10 (aired on 12/10/2008)

The BAU team hunts for a serial killer who targets members of the police department in Phoenix,…
S04E11

S04E11 : Normal 7.12/10 (aired on 12/17/2008)

The team investigates a serial killer who shoots luxury car owners on Southern California's…
S04E12

S04E12 : Soul Mates 6.72/10 (aired on 01/14/2009)

The BAU team suspects a member of an affluent community in Atlanta is responsible for the…
S04E13

S04E13 : Bloodline 7.02/10 (aired on 01/21/2009)

The BAU team becomes involved in the case of a family working together to abduct young women.
S04E14

S04E14 : Cold Comfort 6.72/10 (aired on 02/11/2009)

The mother of an abducted child works with the BAU to apprehend a serial killer who kidnaps,…
S04E15

S04E15 : Zoe's Reprise 6.83/10 (aired on 02/18/2009)

The team pursues a copycat serial killer who is recreating the techniques used by past famous…
S04E16

S04E16 : Pleasure Is My Business 6.82/10 (aired on 02/25/2009)

The team searches for a female suspect who uses her professional skills as a high class call girl…
S04E17

S04E17 : Demonology 6.62/10 (aired on 03/11/2009)

Agent Prentiss has a personal connection to one of the victims in a series of deaths with religious…
S04E18

S04E18 : Omnivore 7.02/10 (aired on 03/18/2009)

Agent Hotchner revisits the first case he worked at the BAU when details come forth that one of the…
S04E19

S04E19 : House on Fire 6.82/10 (aired on 03/25/2009)

The BAU team must track down a serial arsonist who instills fear in a small town by setting fire to…
S04E20

S04E20 : Conflicted 7.89/10 (aired on 04/08/2009)

The team travels to Fort Lauderdale during spring break to find a serial killer with multiple…
S04E21

S04E21 : A Shade of Gray 6.72/10 (aired on 04/22/2009)

When profiling a series of child abductions and murders, the team discovers that one of the cases…
S04E22

S04E22 : The Big Wheel 6.62/10 (aired on 04/29/2009)

When the team is sent a videotape from a serial killer detailing one of his crimes, they discover a…
S04E23

S04E23 : Roadkill 6.91/10 (aired on 05/06/2009)

An unsub who kills with his car is the subject of a BAU investigation.
S04E24

S04E24 : Amplification 7.8/10 (aired on 05/13/2009)

When a new type of chemical warfare is released into the open air, the BAU must act quickly to find…
S04E25

S04E25 : To Hell... (Part 1 of 2) 7.12/10 (aired on 05/20/2009)

The BAU tracks a serial killer who chooses junkies, prostitutes and the homeless off the streets of…
S04E26

S04E26 : ...and Back (Part 2 of 2) 7.7/10 (aired on 05/20/2009)

The BAU tracks a serial killer who chooses junkies, prostitutes and the homeless off the streets of…