Season 4

01 Trust Metric Episode 128th September 2007 After the events of "The Janus List," Colby escapes from custody. Don and the team go after him, but everything may not be as it seems. 02 Hollywood Homicide Episode 25th October 2007 An actor on his way to stardom finds himself in the middle of a murder investigation when a young woman is murdered in his house. 03 Velocity Episode 312th October 2007 When a car crashes into a busy coffee shop, the team discovers the fatal act might not have been an accident. 04 Thirteen Episode 419th October 2007 Don, Charlie, and the team attempt to stop a serial killer who is seemingly obsessed with people resembling Biblical figures. 05 Robin Hood Episode 526th October 2007 Robberies the storybook hero would have been proud to claim plague Don and Charlie as they attempt to catch a do-good thief who is donating his spoils to charity. 06 In Security Episode 62nd November 2007 Don feels responsible for a life lost. The victim was in the Witness Protection Program, but she wasn't the only one keeping secrets...what is Don hiding? 07 Primacy Episode 79th November 2007 When a man is found dead, the team enters the world of alternate reality gaming. However, their investigation leads to a danger for a loved one. 08 Tabu Episode 816th November 2007 When a wealthy heiress is kidnapped, Don and the team race against the clock in hopes to find her. However, the motivations behind her disappearance aren't what they seem. 09 Graphic Episode 923rd November 2007 The team investigates the theft of a graphic comic book. 10 Chinese Box Episode 1014th December 2007 Don and the team are left with little recourse when a former FBI subcontractor takes a team member hostage. 11 Breaking Point Episode 1111th January 2008 Charlie's life is put in danger when Don brings him in on the case of a missing reporter. 12 Power Episode 1218th January 2008 A bad case becomes worse when Don and the team must pursue a police officer believed to have committed unspeakable crimes. 13 Black Swan Episode 134th April 2008 Don and the team bust a meth lab, but when Don has a feeling there's more to the organization than just what's on the surface, his intuition is put to the test. 14 Checkmate Episode 1411th April 2008 Don runs into Robin Brooks during an investigation concerning informants and a chess master. 15 End Game Episode 1525th April 2008 Don and his team hunt for an ex-Marine wanted for murder. Things become confusing, however, when the Marine's family is kidnapped. Is there more to this case than meets the eye? 16 Atomic No. 33 Episode 162nd May 2008 Don and the team must investigate a religious cult after scores of followers are poisoned. 17 Pay to Play Episode 179th May 2008 When a musician is murdered, Don and his team must race to find the culprits. They need Charlie's help, but he is busy with Amita's parents coming for a visit. 18 When World's Collide Episode 1816th May 2008 In the season finale, Don and Charlie work together on a case that ends up with them going head to head about their personal beliefs, and one team member will walk away forever.