Seasons & episodes
S4 · E1Mayhem 2008-09-24 · 40 min
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.
S4 · E2The Angel Maker 2008-10-01 · 41 min
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.
S4 · E3Minimal Loss 2008-10-08 · 42 min
Reid and Prentiss are taken hostage when they go under cover to investigate possible child abuse at an underground cult.
S4 · E4Paradise 2008-10-22 · 40 min
The BAU joins the manhunt to catch a serial killer who conceals the manner of his crimes by staging car accidents.
S4 · E5Catching Out 2008-10-29 · 40 min
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.
S4 · E6The Instincts 2008-11-05 · 42 min
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.
S4 · E7Memoriam 2008-11-12 · 40 min
As Reid's investigation of a young boy's murder in Las Vegas continues, he discovers possible connections to his own past.
S4 · E8Masterpiece 2008-11-19 · 39 min
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.
S4 · E952 Pickup 2008-11-26 · 41 min
Agents Prentiss and Todd go undercover to profile a serial killer who uses skills of persuasion to lure women into danger.
S4 · E10Brothers in Arms 2008-12-10 · 39 min
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.
S4 · E11Normal 2008-12-17 · 40 min
The team investigates a serial killer who shoots luxury car owners on Southern California's freeways.
S4 · E12Soul Mates 2009-01-14 · 41 min
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
S4 · E13Bloodline 2009-01-21 · 42 min
The BAU team becomes involved in the case of a family working together to abduct young girls.
S4 · E14Cold Comfort 2009-02-11 · 42 min
The mother of an abducted child works with the BAU to apprehend a serial killer who kidnaps, murders, and embalms his victims.
S4 · E15Zoe's Reprise 2009-02-18 · 42 min
The team pursues a copycat serial killer who is recreating the techniques used by past famous murderers.
S4 · E16Pleasure Is My Business 2009-02-25 · 41 min
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.
S4 · E17Demonology 2009-03-11 · 42 min
Agent Prentiss has a personal connection to one of the victims in a series of deaths with religious overtones.
S4 · E18Omnivore 2009-03-18 · 42 min
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.
S4 · E19House on Fire 2009-03-25 · 39 min
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.
S4 · E20Conflicted 2009-04-08 · 41 min
The team travels to Fort Lauderdale during spring break to find a serial killer who is targeting co-eds on vacation.
S4 · E21A Shade of Gray 2009-04-22 · 41 min
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.
S4 · E22The Big Wheel 2009-04-29 · 42 min
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.
S4 · E23Roadkill 2009-05-06 · 41 min
An unsub who kills with his car is the subject of a BAU investigation.
S4 · E24Amplification 2009-05-13 · 41 min
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.