Criminal Minds
Season 4
Episodes
E01
Mayhem
September 24, 2008
When an SUV carrying members of the team explodes, the rest of the team fights to save them and catch the terrorists responsible for the bombing.
E02
The Angel Maker
October 1, 2008
A series of murders is linked to a serial killer executed a year earlier, and the BAU team must find the link between the dead killer and the new spate of crimes.
E03
Minimal Loss
October 8, 2008
Reid and Prentiss are taken hostage when they go under cover to investigate possible child abuse at an underground cult.
E04
Paradise
October 22, 2008
The BAU joins the manhunt to catch a serial killer who conceals the manner of his crimes by staging car accidents.
E05
Catching Out
October 29, 2008
The BAU investigates a series of murders that appear to be connected to a killer who jumps trains and chooses his victims based on their proximity to the railway.
E06
The Instincts
November 5, 2008
While investigating the abduction of a young boy in Las Vegas, Dr. Reid starts to have dreams that might help reveal buried memories from his childhood.
E07
Memoriam
November 12, 2008
As Reid's investigation of a young boy's murder in Las Vegas continues, he discovers possible connections to his own past.
E08
Masterpiece
November 19, 2008
When a narcissistic psychopath confesses he has killed seven people and more will die, the team must locate his latest victims before it is too late.
E09
52 Pickup
November 26, 2008
Agents Prentiss and Todd go undercover to profile a serial killer who uses skills of persuasion to lure women into danger.
E10
Brothers in Arms
December 10, 2008
The BAU team hunts for a serial killer who targets members of the police department in Phoenix, Ariz., a case that hits close to home for Morgan, a former cop.
E11
Normal
December 17, 2008
The team investigates a serial killer who shoots luxury car owners on Southern California's freeways.
E12
Soul Mates
January 14, 2009
The BAU team suspects a member of an affluent community in Atlanta is responsible for the disappearance of a local young woman and that the suspect may have worked with an accomplice
E13
Bloodline
January 21, 2009
The BAU team becomes involved in the case of a family working together to abduct young girls.
E14
Cold Comfort
February 11, 2009
The mother of an abducted child works with the BAU to apprehend a serial killer who kidnaps, murders, and embalms his victims.
E15
Zoe's Reprise
February 18, 2009
The team pursues a copycat serial killer who is recreating the techniques used by past famous murderers.
E16
Pleasure Is My Business
February 25, 2009
The team searches for a female suspect who uses her professional skills as a high class call girl to lure and kill high-powered executives.
E17
Demonology
March 11, 2009
Agent Prentiss has a personal connection to one of the victims in a series of deaths with religious overtones.
E18
Omnivore
March 18, 2009
Agent Hotchner revisits the first case he worked at the BAU when details come forth that one of the deadliest serial killers in New England's history has struck again after a 10-year hiatus.
E19
House on Fire
March 25, 2009
The BAU team must track down a serial arsonist who instills fear in a small town by setting fire to community meeting places and killing several residents in the process.
E20
Conflicted
April 8, 2009
The team travels to Fort Lauderdale during spring break to find a serial killer who is targeting co-eds on vacation.
E21
A Shade of Gray
April 22, 2009
When profiling a series of child abductions and murders, the team discovers that one of the cases may not be the handiwork of the serial killer they apprehended.
E22
The Big Wheel
April 29, 2009
When the team is sent a videotape from a serial killer detailing one of his crimes, they discover a hidden message asking them to help him stop his murderous ways.
E23
Roadkill
May 6, 2009
An unsub who kills with his car is the subject of a BAU investigation.
E24
Amplification
May 13, 2009
When a new type of chemical warfare is released into the open air, the BAU must act quickly to find the source before any more innocent people are exposed.
E25
To Hell... (1)
May 20, 2009
The BAU tracks a serial killer who chooses junkies, prostitutes and the homeless off the streets of Detroit as his victims and takes them across the border into Canada, and an agent's life is in peril.
E26
...And Back (2)
May 20, 2009
The BAU tracks a serial killer who chooses junkies, prostitutes and the homeless off the streets of Detroit as his victims and takes them across the border into Canada, and an agent's life is in peril.