
Season 4
Numb3rs
Episodes

1. Trust Metric
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.
Guest Stars: Val Kilmer, Shawn Hatosy, Gary Wilmes

2. Hollywood Homicide
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.
Guest Stars: Aya Sumika, Anthony Cistaro, Kelly Overton

3. Velocity
October 12, 2007
When a car crashes into a busy coffee shop, the team discovers the fatal act might not have been an accident.
Guest Stars: Chris Bauer, Michael Welch, Timothy Landfield

4. Thirteen
October 19, 2007
Don, Charlie, and the team attempt to stop a serial killer who is seemingly obsessed with people resembling Biblical figures.
Guest Stars: Aya Sumika, Andrea Roth, Sharif Atkins

5. Robin Hood
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.
Guest Stars: Tim DeKay, Jason Durr, Yancey Arias

6. In Security
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?
Guest Stars: Aya Sumika, Peter Onorati, James Morrison

7. Primacy
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.
Guest Stars: DJ Qualls, James Urbaniak, Nick Toren

8. Tabu
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.
Guest Stars: Aya Sumika, William Atherton, Ari Graynor

9. Graphic
November 23, 2007
The team investigates the theft of a graphic comic book.
Guest Stars: Ben Feldman, Christopher Lloyd, Joe Morton

10. Chinese Box
December 14, 2007
Don and the team are left with little recourse when a former FBI subcontractor takes a team member hostage.
Guest Stars: Aya Sumika, Chris Bruno, Enrico Colantoni

11. Breaking Point
January 11, 2008
Charlie's life is put in danger when Don brings him in on the case of a missing reporter.
Guest Stars: Chris Bauer, Susan Floyd, Judith Scott

12. Power
January 18, 2008
A bad case becomes worse when Don and the team must pursue a police officer believed to have committed unspeakable crimes.
Guest Stars: Matthew Morrison, Aunjanue Ellis-Taylor, Andrea Anders

13. Black Swan
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.
Guest Stars: James Harvey Ward, Jacob Fishel, Steve Gibbons

14. Checkmate
April 11, 2008
Don runs into Robin Brooks during an investigation concerning informants and a chess master.
Guest Stars: Tequan Richmond, Michelle Nolden, Michael James Reed

15. End Game
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?
Guest Stars: Aya Sumika, Jack Guzman, Yaani King Mondschein

16. Atomic No. 33
May 2, 2008
Don and the team must investigate a religious cult after scores of followers are poisoned.
Guest Stars: Gabrielle Christian, Jill Eikenberry, Steven R. McQueen

17. Pay to Play
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.
Guest Stars: Aya Sumika, Dorian Missick, Susan Kelechi Watson

18. When World's Collide
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.
Guest Stars: Ravi Kapoor, Shawn Doyle, Zeljko Ivanek
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