The cases of the F.B.I. Behavioral Analysis Unit (B.A.U.), an elite group of profilers who analyze the nation's most dangerous serial killers and individual heinous crimes in an effort to anticipate their next moves before they st...
Episodes
Season 4 - Episodes
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S04E01Mayhem
Aired: 2008-09-24
Show details expand_moreWhen 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.
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S04E02The Angel Maker
Aired: 2008-10-01
Show details expand_moreA 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.
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S04E03Minimal Loss
Aired: 2008-10-08
Show details expand_moreReid and Prentiss are taken hostage when they go under cover to investigate possible child abuse at an underground cult.
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S04E04Paradise
Aired: 2008-10-22
Show details expand_moreThe BAU joins the manhunt to catch a serial killer who conceals the manner of his crimes by staging car accidents.
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S04E05Catching Out
Aired: 2008-10-29
Show details expand_moreThe 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.
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S04E06The Instincts
Aired: 2008-11-05
Show details expand_moreWhile 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.
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S04E07Memoriam
Aired: 2008-11-12
Show details expand_moreAs Reid's investigation of a young boy's murder in Las Vegas continues, he discovers possible connections to his own past.
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S04E08Masterpiece
Aired: 2008-11-19
Show details expand_moreWhen 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.
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S04E0952 Pickup
Aired: 2008-11-26
Show details expand_moreAgents Prentiss and Todd go undercover to profile a serial killer who uses skills of persuasion to lure women into danger.
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S04E10Brothers in Arms
Aired: 2008-12-10
Show details expand_moreThe 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.
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S04E11Normal
Aired: 2008-12-17
Show details expand_moreThe team investigates a serial killer who shoots luxury car owners on Southern California's freeways.
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S04E12Soul Mates
Aired: 2009-01-14
Show details expand_moreThe 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
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S04E13Bloodline
Aired: 2009-01-21
Show details expand_moreThe BAU team becomes involved in the case of a family working together to abduct young women.
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S04E14Cold Comfort
Aired: 2009-02-11
Show details expand_moreThe mother of an abducted child works with the BAU to apprehend a serial killer who kidnaps, murders, and embalms his victims.
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S04E15Zoe's Reprise
Aired: 2009-02-18
Show details expand_moreThe team pursues a copycat serial killer who is recreating the techniques used by past famous murderers.
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S04E16Pleasure Is My Business
Aired: 2009-02-25
Show details expand_moreThe team searches for a female suspect who uses her professional skills as a high class call girl to lure and kill high-powered executives.
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S04E17Demonology
Aired: 2009-03-11
Show details expand_moreAgent Prentiss has a personal connection to one of the victims in a series of deaths with religious overtones.
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S04E18Omnivore
Aired: 2009-03-18
Show details expand_moreAgent 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.
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S04E19House on Fire
Aired: 2009-03-25
Show details expand_moreThe 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.
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S04E20Conflicted
Aired: 2009-04-08
Show details expand_moreThe team travels to Fort Lauderdale during spring break to find a serial killer with multiple personalities who is targeting co-eds on vacation.
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S04E21A Shade of Gray
Aired: 2009-04-22
Show details expand_moreWhen 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.
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S04E22The Big Wheel
Aired: 2009-04-29
Show details expand_moreWhen 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.
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S04E23Roadkill
Aired: 2009-05-06
Show details expand_moreAn unsub who kills with his car is the subject of a BAU investigation.
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S04E24Amplification
Aired: 2009-05-13
Show details expand_moreWhen 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.
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25-26To Hell... (1)
Aired: 2009-05-20
Show details expand_moreThe 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.