Watch Criminal Minds Online Season 4

Episode 1: Mayhem
Air Date: Sep 24, 2008
Views: 2,629
Comments: 2
Rating: 3.09/5 (11)
When an SUV carrying members of the BAU explodes, the rest of the team fights to save their colleagues and catch the terrorists responsible for the bombing.
Episode 2: The Angel Maker
Air Date: Oct 1, 2008
Views: 1,645
Comments: 2
Rating: 2.90/5 (10)
When a series of murders are linked to a serial killer who was executed a year ago, the BAU must find the connection between him and the current killing spree.
Episode 3: Minimal Loss
Air Date: Oct 8, 2008
Views: 1,529
Comments: 4
Rating: 3.11/5 (9)
When Prentiss and Reid go undercover to investigate possible child abuse at an underground cult, they get trapped inside the compound when a federal raid goes bad.
Episode 4: Paradise
Air Date: Oct 22, 2008
Views: 1,319
Comments: 9
Rating: 3.36/5 (11)
A serial killer who disguises his victims’ demise by creating car accidents to mask their earlier deaths is the subject of a BAU manhunt.
Episode 5: Catching Out
Air Date: Oct 29, 2008
Views: 1,306
Comments: 2
Rating: 2.78/5 (9)
A serial killer who jumps trains and targets people living near the railway is the subject of a BAU manhunt.
Episode 6: The Instincts
Air Date: Nov 5, 2008
Views: 1,265
Comments: 3
Rating: 2.71/5 (7)
While investigating the kidnapping of a young boy in Las Vegas, Dr. Reid begins to have dreams that may help reveal some buried memories from his childhood.
Episode 7: Memoriam
Air Date: Nov 12, 2008
Views: 1,310
Comments: 4
Rating: 3.14/5 (7)
Dr. Reid investigates a decades old murder in Las Vegas that is inexplicably linked to his own past.
Episode 8: Masterpiece
Air Date: Nov 19, 2008
Views: 1,343
Comments: 4
Rating: 3.22/5 (9)
The team must profile a self-confessed serial killer who turns himself in, but sends them on a massive manhunt to find his latest victims before it is too late.
Episode 9: 52 Pickup
Air Date: Nov 26, 2008
Views: 1,548
Comments: 5
Rating: 3.40/5 (15)
The killer of the week seduces women in bars, guts them and makes them clean up as they bleed out.
Episode 10: Brothers In Arms
Air Date: Dec 10, 2008
Views: 1,159
Comments: 1
Rating: 3.22/5 (9)
A BAU case hits close to home for Morgan, who was a cop before joining the team, when a serial killer specifically focuses on members of the police force in Phoenix, Arizona.
Episode 11: Normal
Air Date: Dec 17, 2008
Views: 1,028
Comments: 3
Rating: 2.80/5 (10)
The team investigates a serial killer dubbed The Road Warrior, a suspect who kills luxury car owners while they are driving on freeways in Southern California.
Episode 12: Soul Mates
Air Date: Jan 14, 2009
Views: 1,151
Comments: 2
Rating: 2.78/5 (9)
When a young woman in an affluent community in Sarasota, Florida, disappears, the BAU suspects she may have been taken hostage by the partner of a pair of serial killers.
Episode 13: Bloodline
Air Date: Jan 21, 2009
Views: 1,136
Comments: 2
Rating: 3.18/5 (11)
The BAU is called to investigate when young women are being abducted by what appears to be a family working together.
Episode 14: Cold Comfort
Air Date: Feb 11, 2009
Views: 1,119
Comments: 2
Rating: 3.00/5 (8)
The mother of an abducted child works with the BAU to apprehend a serial killer who kidnaps, murders, and embalms his victims.
Episode 15: Zoe's Reprise
Air Date: Feb 18, 2009
Views: 1,163
Comments: 5
Rating: 3.33/5 (12)
The team pursues a copycat serial killer who is recreating the techniques used by past famous murderers.
Episode 16: Pleasure Is My Business
Air Date: Feb 25, 2009
Views: 1,149
Comments: 1
Rating: 3.57/5 (14)
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.
Episode 17: Demonology
Air Date: Mar 11, 2009
Views: 1,103
Comments: 4
Rating: 2.67/5 (9)
Agent Prentiss has a personal connection to one of the victims in a series of deaths with religious overtones.
Episode 18: Omnivore
Air Date: Mar 18, 2009
Views: 1,218
Comments: 4
Rating: 2.43/5 (7)
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.
Episode 19: House On Fire
Air Date: Mar 25, 2009
Views: 842
Comments: 1
Rating: 2.57/5 (7)
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.
Episode 20: Conflicted
Air Date: Apr 8, 2009
Views: 2,476
Comments: 5
Rating: 2.33/5 (6)
The team travels to Fort Lauderdale during spring break to find a serial killer with multiple personalities who is targeting co-eds on vacation.
Episode 21: A Shade Of Gray
Air Date: Apr 22, 2009
Views: 1,137
Comments: 2
Rating: 2.71/5 (7)
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.
Episode 22: The Big Wheel
Air Date: Apr 29, 2009
Views: 1,181
Comments: 1
Rating: 3.22/5 (9)
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.
Episode 23: Roadkill
Air Date: May 6, 2009
Views: 816
Comments: 4
Rating: 2.33/5 (6)
An unsub who kills with his car is the subject of a BAU investigation.
Episode 24: Amplification
Air Date: May 13, 2009
Views: 1,061
Comments: 4
Rating: 3.25/5 (12)
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.
Episode 25: To Hell...and Back Part 1
Air Date: May 20, 2009
Views: 1,340
Comments: 2
Rating: 2.38/5 (8)
The BAU tracks a serial killer who chooses junkies, prostitutes and the homeless off the streets of Detroit and takes them across the border into Canada. After solving that case, another killer returns to exact his revenge.
Episode 26: To Hell...and Back Part 2
Air Date: May 20, 2009
Views: 1,032
Comments: 3
Rating: 2.14/5 (7)
The BAU tracks a serial killer who chooses junkies, prostitutes and the homeless off the streets of Detroit and takes them across the border into Canada. After solving that case, another killer returns to exact his revenge.