Watch Criminal Minds Season 4 E26

Watch Criminal Minds Season 4 E25 To Hell And Back

The team head to Canada to investigate the disappearances of a number of homeless people, junkies and prostitutes and uncover something horrific.

Watch Criminal Minds Season 4 E24 Amplification

The BAU co-work with the U.S. Army to find the perpetrator behind an anthrax attack on a park in Annapolis, Maryland....

Watch Criminal Minds Season 4 E23 Roadkill

A serial killer in Bend, Oregon is deliberately killing people by running them over with his car

Watch Criminal Minds Season 4 E22 The Big Wheel

The team tracks down a highly obsessive-compulsive killer who targets blonde women and leaves messages to the police asking them to stop him.Next US airings:...

Watch Criminal Minds Season 4 E21 A Shade Of Gray

An AMBER alert is activated for a young boy in Cherry Hill, New Jersey and the BAU suspect it to be the work of a pedophile who has abducted and killed two other boys....

Watch Criminal Minds Season 4 E20 Conflicted

Young, male co-eds on spring break are being raped and murdered, presumably by a man and a woman working together. The BAU are called in and suspect a shy hotel cleaner and a receptionist....

Watch Criminal Minds Season 4 E19 House On Fire

When the kill count of a mass-murdering arsonist active in a small town reaches 31, the BAU are called in.

Watch Criminal Minds Season 4 E18 Omnivore

After being inactive for 10 years, Hotch's first BAU case, an elusive serial killer known as the Reaper, starts killing again....

Watch Criminal Minds Season 4 E17 Demonology

Prentiss learns from an old friend, John Cooley, that their mutual friend, Matthew Benton, just died from a heart attack. Prentiss had not seen either man in several years, both for different reasons. John also mentions that Matthew thought he was going to be killed just like "T. Valent...

Watch Criminal Minds Season 4 E16 Pleasure Is My Business

A high priced call girl that is killing her clients must be found and stopped....

Watch Criminal Minds Season 4 E15 Zoe's Reprise

A copycat serial killer is recreating murder techniques used by famous killers from the past....

Watch Criminal Minds Season 4 E14 Cold Comfort

A serial killer in the Olympia, Washington area has abducted four blonde, twenty-something women. When the third victim is found embalmed, the BAU are called in and suspect that the embalming is a way for him to spend more time with them.Next US airings:...

Watch Criminal Minds Season 4 E13 Bloodline

A family consisting of two parents and their son break into a home, kill the parents and kidnap their daughter. As the investigation proceeds, the BAU team begin to suspect that what they're dealing with is bigger than they thought.Next US airings:...

Watch Criminal Minds Season 4 E12 Soul Mates

To his Sarasota Florida neighbors, William Harris is a model family man and upstanding citizen. However, he is taken into custody on suspicions of being the murderer of young women, accusations which followed him from Atlanta, where his family was forced to moved from because of the pre...

Watch Criminal Minds Season 4 E11 Normal

A serial killer known as the Road Warrior is gunning down blonde women on roads in Orange County, California and the BAU suspect that the victims are surrogates and that it's only a matter of time before he kills the real one....

Watch Criminal Minds Season 4 E10 Brothers in Arms

Morgan, an ex-cop, takes it personally when a serial killer targets police officers in Phoenix, Arizona....

Watch Criminal Minds Season 4 E9 52 Pickup

A greatly sadistic serial killer who disembowels women and forces them to clean it up before killing them proves difficult to catch thanks to his social charm and simple, yet clever, disguises....

Watch Criminal Minds Season 4 E8 Masterpiece

A serial killer turns himself in and challenges the team to find five people he has hidden somewhere before they die....

Watch Criminal Minds Season 4 E7 Memoriam

Driven by his nightmares, Reid stays behind in Las Vegas to find his father in order to find out the truth about Riley Jenkins' murder....

Watch Criminal MInds Season 4 E6 The Instincts

A child abduction case in Las Vegas causes Reid to have strange nightmares which appear to be connected to an event in his past....

Watch Criminal Minds Season 4 E5 Catching Out

A man is jumping trains along Highway 99, brutally killing couples in their homes whenever he stops....

Watch Criminal Minds Season 4 E4 Paradise

A serial killer targeting couples stages their bodies in a way to make their deaths look like car accidents....

Watch Criminal Minds Season 4 E3 Minimal Lost

Reid and Prentiss, having gone undercover into an underground cult to investigate child abuse, get trapped inside the compound when a federal raid on it goes bad....

Watch Criminal Minds Season 4 E2 The Angel Maker

On the anniversary of a serial killer's execution, a murder spree which appears to be connected to him begins and the team must try and understand his mind in order to stop it....

Watch Criminal Minds Season 4 E1 Mayhem

As the city is on high alert, the team begins to believe that they have made a mistake with the profile and that everything the terrorists have done so far may in fact just have been diversion for something even bigger....