
Numb3rs — Season 4
We all use Math every day.
About this season
Inspired by actual cases and experiences, Numb3rs depicts the confluence of police work and mathematics in solving crime as an FBI agent recruits his mathematical genius brother to help solve a wide range of challenging crimes in Los Angeles from a very different perspective.
Episodes (18)

1. Trust Metric
8.7Aired 28 September 2007 • 43 min
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
7.7Aired 5 October 2007 • 43 min
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
7.5Aired 12 October 2007 • 41 min
When a car crashes into a busy coffee shop, the team discovers the fatal act might not have been an accident.

4. Thirteen
7.7Aired 19 October 2007 • 43 min
Don, Charlie, and the team attempt to stop a serial killer who is seemingly obsessed with people resembling Biblical figures.

5. Robin Hood
8.0Aired 26 October 2007 • 42 min
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
7.7Aired 2 November 2007 • 43 min
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
8.3Aired 9 November 2007 • 43 min
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
8.0Aired 16 November 2007 • 41 min
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
5.3Aired 23 November 2007 • 43 min
The team investigates the theft of a graphic comic book.

10. Chinese Box
7.8Aired 14 December 2007 • 44 min
Don and the team are left with little recourse when a former FBI subcontractor takes a team member hostage.

11. Breaking Point
8.0Aired 11 January 2008 • 40 min
Charlie's life is put in danger when Don brings him in on the case of a missing reporter.

12. Power
8.2Aired 18 January 2008 • 43 min
A bad case becomes worse when Don and the team must pursue a police officer believed to have committed unspeakable crimes.

13. Black Swan
8.3Aired 4 April 2008 • 41 min
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
8.0Aired 11 April 2008 • 44 min
Don runs into Robin Brooks during an investigation concerning informants and a chess master.

15. End Game
8.0Aired 25 April 2008 • 43 min
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
8.0Aired 2 May 2008 • 43 min
Don and the team must investigate a religious cult after scores of followers are poisoned.

17. Pay to Play
8.0Aired 9 May 2008 • 42 min
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
8.7Aired 16 May 2008 • 42 min
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.