Numb3rs

Season 4

TV-14

In the Los Angeles office of the Federal Bureau of Investigation, Special Agent Don Eppes and his team investigate critical and baffling crimes with a special edge. That advantage is Don's brother, Charles Eppes, a brilliant universalist mathematician who uses the science of mathematics with its complex equations to ferret out the most tricky criminals. With this team, the forces of evil learn their number is up.

Where to Watch Season 4

18 Episodes

Trust Metric
E1
Trust MetricPeter MacNicol returns as a regular cast member. Colby is being interrogated by a man named Agent Kirkland, who passes him a handcuff key and gives him escape instructions. Don and his team get information about and from Colby and must figure out if that information is reliable then realizes that everything about Colby being a double agent may not be what it seems.
Hollywood Homicide
E2
Hollywood HomicideAn actor on his way to stardom finds himself in the middle of a murder investigation when a young woman is murdered in his house.
Velocity
E3
VelocityWhen a car crashes into a busy coffee shop, the team discovers the fatal act might not have been an accident.
Thirteen
E4
ThirteenDon, Charlie, and the team attempt to stop a serial killer who is seemingly obsessed with people resembling Biblical figures.
Robin Hood
E5
Robin HoodRobberies 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.
In Security
E6
In SecurityDon 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?
Primacy
E7
PrimacyWhen 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.
Tabu
E8
TabuWhen 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.
Graphic
E9
GraphicThe team investigates the theft of a graphic comic book.
Chinese Box
E10
Chinese BoxDon and the team are left with little recourse when a former FBI subcontractor takes a team member hostage.
Breaking Point
E11
Breaking PointCharlie's life is put in danger when Don brings him in on the case of a missing reporter.
Power
E12
PowerA bad case becomes worse when Don and the team must pursue a police officer believed to have committed unspeakable crimes.
Black Swan
E13
Black SwanDon 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.
Checkmate
E14
CheckmateA.U.S.A. Robin Brooks is back in town, and her involvement in Don's case brings back memories as they try to keep witnesses alive. Meanwhile, David attempts to bond with a young man who's in the chief suspect's thrall.
End Game
E15
End GameDon 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?
Atomic No. 33
E16
Atomic No. 33Don and the team must investigate a religious cult after scores of followers are poisoned.
Pay to Play
E17
Pay to PlayThe murder of a rapper puts Charlie to work analyzing the mathematics of the music business in the same week that Amita's parents come to town, and Megan has asked for a week off without discussing it with Don.
When World's Collide
E18
When World's CollideWhen one of Charlie's friends, a scientist at the university, is arrested for terrorist activities, it puts him at philosophical odds with Don. And as he works to prove the man's innocence, his beliefs may jeopardize his career.