Numb3rs - Season 4
1 - Trust Metric
Air Date: September 28, 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.
2 - Hollywood Homicide
Air Date: October 5, 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.
3 - Velocity
Air Date: October 12, 2007
When a car crashes into a busy coffee shop, the team discovers the fatal act might not have been an accident.
4 - Thirteen
Air Date: October 19, 2007
Don, Charlie, and the team attempt to stop a serial killer who is seemingly obsessed with people resembling Biblical figures.
5 - Robin Hood
Air Date: October 26, 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.
6 - In Security
Air Date: November 2, 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?
7 - Primacy
Air Date: November 9, 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.
8 - Tabu
Air Date: November 16, 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.
9 - Graphic
Air Date: November 23, 2007
The team investigates the theft of a graphic comic book.
10 - Chinese Box
Air Date: December 14, 2007
Don and the team are left with little recourse when a former FBI subcontractor takes a team member hostage.
11 - Breaking Point
Air Date: January 11, 2008
Charlie's life is put in danger when Don brings him in on the case of a missing reporter.
12 - Power
Air Date: January 18, 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
Air Date: April 4, 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
Air Date: April 11, 2008
Don runs into Robin Brooks during an investigation concerning informants and a chess master.
15 - End Game
Air Date: April 25, 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
Air Date: May 2, 2008
Don and the team must investigate a religious cult after scores of followers are poisoned.
17 - Pay to Play
Air Date: May 9, 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
Air Date: May 16, 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.