The show focuses equally on the relationships between Don Eppes, his brother Charlie Eppes and their father, Alan Eppes (Judd Hirsch), and on the brothers' efforts to fight crime, normally in Los Angeles. A typical episode begins with a crime, which is subsequently investigated by a team of FBI agents led by Don and mathematically described by Charlie, with the help of Larry Fleinhardt (Peter MacNicol) and Amita Ramanujan (Navi Rawat). The insights provided by Charlie's mathematics are always in some way crucial to solving the crime.
Numb3rs - S06E03 - 7 Men Out(Aired: 8 April 2010) A rash of apparent suicides takes a sinister turn when a gambling connection is uncovered. Elsewhere, Charlie worries when Alan's retirement disappears, and Larry flounders trying to find his new path.
Numb3rs - S06E04 - Where Credit's Due(Aired: 15 April 2010) The team gets a close-up look at the movie business when a producer's desiccated body is found in the desert. Elsewhere, Larry knows that he's leaving but not his destination, and Alan struggles with technology.
Numb3rs - S06E05 - Hydra(Aired: 15 April 2010) What starts as a kidnapping becomes more complicated when the team learns the child may be a clone and her guardians may not have her best interests in mind.
Numb3rs - S06E06 - Dreamland(Aired: 22 April 2010) The team explores an odd death by some kind of electricity at a decommissioned airbase, finding themselves teamed with an odd character from the Pentagon's Department 44. Elsewhere, David ponders his future and Alan celebrates a birthday.
Numb3rs - S06E11 - Scratch(Aired: 6 May 2010) Don and the team try their luck at investigating the theft of scratch-off lottery tickets, but the stakes are raised when one of the culprits killed at a botched robbery turns out to be a former lottery winner.
Numb3rs - S06E12 - Arm in Arms(Aired: 15 January 2010) The team searches for a lost shipment of high-caliber firearms when one of the weapons is responsible for random killings throughout the city. Also, Charlie and Amita disagree on a wedding ... See full summary »
Numb3rs - S06E13 - Devil Girl(Aired: 29 January 2010) The team searches for a serial killer who is targeting men who solicit prostitutes. Also, Colby and Nikki deal with the aftermath of a car crash when they have an accident during the investigation.
Numb3rs - S06E14 - And the Winner Is...(Aired: 2 February 2010) Larry turns up again after having wandered the desert for quite some time, while the FBI works to solve jewelry heist at an awards show, while dealing with celebrities...and their egos.
Numb3rs - S06E16 - Cause and Effect(Aired: 12 March 2010) Charlie and Amita are getting married at last. While making an arrest, Don's gun is stolen from him and is subsequently used in a series of crimes. Lou Diamond Phillips' character, Agent Ian Edgerton, appears in the series finale.