Criminal Minds Season 4 Episode 26 - To Hell…And Back (2)
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Episode Name: To Hell…And Back (2)
Episode Season/Number: Season 4, Episode 26
Originally Aired: May 20, 2009
Plot Overview:
The BAU continues its search for a serial killer who has forced the team into Canada to catch him. Meanwhile, a team member may have become the target of a killer from the past.
Criminal Minds Season 4 Episode 25 - To Hell…And Back (1)
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Episode Name: To Hell…And Back (1)
Episode Season/Number: Season 4, Episode 25
Originally Aired: May 20, 2009
Plot Overview:
In one of its most difficult cases, the BAU is called to Detroit to help track down a serial killer who forces the team into Canada to catch him.
Criminal Minds Season 4 Episode 24 - Amplification
Episode Name: Amplification
Episode Season/Number: Season 4, Episode 24
Originally Aired: May 13, 2009
Plot Overview:
The BAU responds quickly after a serial killer releases a new strain of a deadly anthrax virus in Annapolis that threatens the public and puts a member of the team at risk.
Criminal Minds Season 4 Episode 23 - Roadkill
Episode Name: Roadkill
Episode Season/Number: Season 4, Episode 23
Originally Aired: May 6, 2009
Plot Overview:
Local authorities summon the assistance of the BAU after a series of homicides occur that appear to have been caused by a serial killer’s car near Bend, Oregon.
Criminal Minds Season 4 Episode 22 - The Big Wheel

Episode Name: The Big Wheel
Episode Season/Number: Season 4, Episode 22
Originally Aired: April 29, 2009
Plot Overview:
When a serial killer in Buffalo sends a videotape of one of his crimes to the BAU, the team discovers a message from the murderer that begs for help in stopping the killing.
Criminal Minds Season 4 Episode 21 - A Shade of Gray
Episode Name: A Shade of Gray
Episode Season/Number: Season 4, Episode 21
Originally Aired: April 22, 2009
Plot Overview:
During an investigation of a series of child abductions and murders in Cherry Hill, New Jersey, the BAU concludes the possibility that the last murder may not be the work of the suspect who had been apprehended.
Criminal Minds Season 4 Episode 20 - Conflicted

Episode Name: Conflicted
Episode Season/Number: Season 4, Episode 20
Originally Aired: April 8, 2009
Plot Overview:
The BAU is called to Texas to investigate a serial killer who is targeting vacationing students on spring break on South Padre Island.
Criminal Minds Season 4 Episode 19 - House on Fire
Episode Name: House on Fire
Episode Season/Number: Season 4, Episode 19
Originally Aired: March 25, 2009
Plot Overview:
The BAU is summoned to Indiana by local authorities when a serial arsonist threatens the residents of Royal by setting fire to community meeting places that kills many people.
Criminal Minds Season 4 Episode 18 - Omnivore

Episode Name: Omnivore
Episode Season/Number: Season 4, Episode 18
Originally Aired: March 18, 2009
Plot Overview:
The BAU travels to Boston when the serial killer from one of Agent Hotchner’s first cases, which involved one of the most notorious murderers in the history of New England, returns after 10 years.
Criminal Minds Season 4 Episode 17 - Demonology
Episode Name: Demonology
Episode Season/Number: Season 4, Episode 17
Originally Aired: March 11, 2009
Plot Overview:
The BAU investigates a series of deaths involving possible exorcisms in the Washington area that appear to be sanctioned by the Vatican, and SSA Emily Prentiss finds herself personally involved in the case.
