Numb3rs Information

Numb3rs (Pronounced Numbers, stylized NUMB3RS) is an American crime drama television series that ran on CBS from January 23, 2005 to March 12, 2010. The series was created by Nicolas Falacci and Cheryl Heuton, and follows FBI special agent Don Eppes (Rob Morrow) and his mathematical genius brother Charlie Eppes (David Krumholtz) who helps Don solve crimes for the FBI. Brothers Ridley and Tony Scott produced Numb3rs; its production companies are the Scott brothers' Scott Free Productions, CBS Television Studios (originally Paramount Television, and later CBS Paramount Television).

The show focuses equally on the relationships among 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 modeled by Charlie, with the help of Larry Fleinhardt (Peter MacNicol) and Amita Ramanujan (Navi Rawat). The insights provided by Charlie's mathematics were always in some way crucial to solving the crime.

The series was the most popular show airing on Friday evenings throughout its first four seasons. In May 2010, CBS announced that Numb3rs had been cancelled after six seasons.

Cast and characters

Main article: List of Numb3rs characters
The show revolved around three intersecting groups of characters: the FBI, scientists at the fictitious California Institute of Science (CalSci), and the Eppes family.

  • Prof. Charlie Eppes (David Krumholtz) is a mathematical genius who, in addition to teaching at CalSci, consults for the FBI and NSA.
  • Don Eppes (Rob Morrow), Charlie's older brother, is the lead FBI agent at the Los Angeles Violent Crimes Squad.
  • Alan Eppes (Judd Hirsch) is a former L.A. City planner, a widower, and the father of both Charlie and Don Eppes. Alan lives in a historic two-story house furnished with period Arts and Crafts furniture.
  • Prof. Amita Ramanujan (Navi Rawat) is a mathematician at CalSci and an FBI consultant. In season 2, she begins dating Charlie, to whom she is later, in season 6, engaged and later yet married. Charlie was her thesis advisor. Her name is a reference to influential autodidactic Indian mathematician Srinivasa Ramanujan.
  • Prof. Larry Fleinhardt (Peter MacNicol) is a theoretical physicist and cosmologist at CalSci. Charlie's former mentor and now best friend, he also frequently consults for the FBI.
  • David Sinclair (Alimi Ballard) is an FBI field agent and was later made Don's second-in-charge and promoted to supervisor.
  • Colby Granger (Dylan Bruno) is an FBI field agent. Once thought to have betrayed his colleagues, he is now back in their good graces and confidence.
  • Megan Reeves (Diane Farr) is an FBI behavioral specialist. She was involved romantically with Larry Fleinhardt and left the FBI to counsel troubled young women.
  • Liz Warner (Aya Sumika) is an FBI agent, formerly involved with Agent Eppes.
  • Nikki Betancourt (Sophina Brown) is an FBI agent with four years' experience in the LAPD and a law degree.
Temporary characters on the show were often named after famous mathematicians. For example, in the episode "In Plain Sight" (season 2, episode 8), one of the criminals is named Rolle and Charlie's father mentions a meeting with a man named Robert Peterson.


Main article: List of Numb3rs episodes
Opening: (Narrated by David Krumholtz) We all use math every day. To predict weather?to tell time?to handle money. Math is more than formulas and equations. It's logic; it's rationality. It's using your mind to solve the biggest mysteries we know.

Season 1

Main article: List of Numb3rs episodes (season 1)
The first season run of the show aired between January 23, 2005, and May 13, 2005, at 10:00 p.m. on Fridays. It sees the start of the working relationship between Los Angeles' FBI department and Charlie Eppes. The main FBI agents are Charlie's brother, Don Eppes, and Terry Lake, as well as David Sinclair. Don and Charlie's father, Alan Eppes, provides emotional support for the pair, while Professor Larry Fleinhardt and doctoral student Amita Ramanujan provide mathematical support and insights to Charlie. Season One was a half-season, producing only 13 episodes. Sabrina Lloyd played Terry Lake, an agent in this season; she was later replaced by Diane Farr, who played Megan Reeves.

Season 2

Main article: List of Numb3rs episodes (season 2)
The second season run of the show aired between September 23, 2005, and May 19, 2006, again at 10:00 p.m. on Fridays. Season Two sees several changes to Don's FBI team: Terry Lake is reassigned to Washington and two new members join Don and David Sinclair: Megan Reeves and Colby Granger. Charlie is challenged on one of his long-standing pieces of mathematical work and also starts work on a new theory, Cognitive Emergence Theory. Larry sells his home and assumes a nomadic lifestyle, while he becomes romantically involved with Megan. Amita receives an offer for an assistant professor position at Harvard University, but is plagued by doubt as her relationship with Charlie is challenged and her career is in upheaval. Alan begins work and dating again, although he struggles with the loss of his wife, and both he and Charlie dream of her.

Season 3

Main article: List of Numb3rs episodes (season 3)
Numb3rs was renewed for a third season, which began airing in North America and Canada at 10:00 p.m. on Friday September 22, 2006, and ended on May 18, 2007. Charlie and Amita intensify their relationship, as do Larry and Megan, especially after Megan's kidnapping. Amita has troubles adjusting in her new role as a CalSci professor, and Larry announces his leave of absence "? he will be on the International Space Station for six months, which greatly distresses Charlie. Charlie and his colleagues are troubled by Dr. Mildred Finch, the newly appointed Chair of the CalSci Physics, Mathematics, and Astronomy Division, whom they learn has begun dating Alan. Meanwhile, Don dates Agent Liz Warner and questions his ethics and self-worth, and receives counseling. Charlie sees Don's therapist and the two understand one another more. Despite Don's concerns, Alan engages in some FBI consulting with his knowledge of engineering, and Larry returns from the space station, disillusioned. The finale wraps up with a revelation that Colby was actually a double agent for the Chinese.

Noticeable changes from previous seasons include the removal of the opening credit sequence (credits are now done during the first segment of the show), the absence of Peter MacNicol's character for much of the season, and the absence of Diane Farr's character for a few episodes. Peter MacNicol appeared in the first eleven episodes before leaving for the television show 24, but returned to Numb3rs for the 21st episode of season 3 ("The Art of Reckoning"). His character's absence was written into the show by having him become a Payload Specialist on the International Space Station. Diane Farr, pregnant for most of the season, left the show for maternity leave in episode 18 ("Democracy"); her character's absence is explained as a special assignment to the Department of Justice.

Season 4

Main article: List of Numb3rs episodes (season 4)
The season premiere aired on September 28, 2007, in the same time slot as in previous seasons, 10:00 p.m. Eastern Time. Because of the writer's strike, only 12 episodes were initially produced. However, once the strike ended, CBS announced the show's return April 4, 2008, with six episodes. The season ended on May 16, 2008.

As this season starts, Colby Granger escapes from jail, and is revealed to be a triple agent. He then rejoins the team. Don and Liz break up halfway through this season, after Liz has trouble with Don's trust issues. Amita's parents come to visit, which becomes a secondary theme throughout most of the season. Due to her work at the D.O.J., Megan is conflicted by her work, and turns to Larry for help. Near the end of the season, Don's girlfriend from season 2, Robin Brooks, returns. Don and Robin then continue their relationship. Charlie attends FBI training camp because he has been working with Don for several years and wants to better understand what his brother does. In the season finale, Megan leaves the team to move back to Washington, D.C., and Charlie goes head-to-head with Don about a case. This causes Charlie to send information to scientists in Pakistan. He is subsequently arrested and has his security clearance revoked, so he can no longer help Don on cases. At the end of the episode, Don drives away to another case and Charlie admits that giving up FBI work will be harder than he expected.

Several characters from previous seasons did not return in season 4. These characters include Mildred Finch and Ian Edgerton (though Edgerton appears in Seasons Five & Six).

Season 5

Main article: List of Numb3rs episodes (season 5)
The fifth season premiered on October 3, 2008, and the season finale aired on May 15, 2009. The season premiere was moved back one week to accommodate the 2008 presidential debates.

Season five opens three weeks after "When Worlds Collide" (season four's season finale), with the government dropping the charges against Charlie. Charlie gets his security clearance back after he and Don fight FBI Security Officer Carl McGowan. Don begins to explore Judaism. The team adds new agent Nikki Betancourt, who arrives shortly after Megan Reeves' departure. Liz is offered a promotion but turns it down. Buck Winters (from the episodes, "Spree" and "Two Daughters") breaks out of prison and comes after Don. Alan suddenly finds himself coaching CalSci's basketball team. David becomes Don's primary relief supervisor. DARPA tries to recruit Charlie, but he turns down their offer. Toward the end of the season, Don is stabbed, and Charlie blames himself for it. The aftermath of Don's stabbing causes Charlie to focus more on his FBI consultation work. Amita is kidnapped, and the team races to find her. After she is rescued, Charlie proposes to Amita. Her response is unknown.

Notes about Season Five: "Disturbed" marked the 100th episode of Numb3rs.

Season 6

Main article: List of Numb3rs episodes (season 6)
The sixth season premiered Friday September 25, 2009, at 10:00 p.m. EDT and the season finale aired on March 12, 2010. The season starts with the engagement of Charlie and Amita. Soon after, Larry turns down an opportunity to meet with mathematicians at CERN, in Geneva, and drops his course load for the following semester. This leads Charlie to realize Larry is once again leaving, and leaving all of his work to Charlie. Don learns that his former mentor is crooked, causing Don angst when he has to shoot his mentor. Charlie and Don learn that Alan has lost a substantial amount of money in his 401(k). After some delay, Larry leaves Los Angeles, only to find a vacant piece of land for sale within driving distance of the city. Alan decides to return to work and finds a job as a software technical consultant. David asks Don for advice about career paths within the FBI. Larry returns from the desert with a new theory about the universe's fate. Charlie and Amita begin planning their wedding and decide to join the Big Brother/Big Sister program to practice parenting skills. They get married before their move to England to teach at the University of Cambridge. Don loses his gun, recovers it after it is used in some vigilante murders, and gets engaged. Before leaving, Charlie and Amita decide that the family garage should be converted to a guest house so Alan can continue living with them. Leaving Colby, Liz, and Nikki behind, David departs for Washington, D.C., to take a position as an anti-corruption team leader.

DVD releases

CBS DVD (Distributed by Paramount Home Entertainment) has released all 6 seasons of Numb3rs on DVD in Region 1. The first five seasons have been released in Regions 2 & 4.

Season #Release DatesEp #LengthDiscsRegion 1 Extras
US, Canada (R1)UK
Australia (R4)
Season 1 May 30, 2006October 2, 2006October 5, 200613544 min.4Cast and crew commentaries for five episodes, "Crunching Numb3rs: Season 1," "Point of Origin: Inside the Unaired Pilot," "Do The Math: The Caltech Analysis," and "Charlievision: FX Sequences 1.0," blooper reels, and audition reels.
Season 2 October 10, 2006July 9, 2007June 7, 2007241037 min.6Cast and crew commentaries for six episodes, "Crunching Numb3rs: Season Two," two "behind the scenes" videos (one with Nicholas Falacci, the other with David Krumholtz), and a blooper reel.
Season 3 September 25, 2007February 9, 2009July 10, 2008241029 min.6Cast and crew commentaries for five episodes, "Crunching Numb3rs: Season 3," a mini-documentary of the Eppes house, a blooper reel, and a tour of the Eppes' house set.
Season 4 September 30, 2008July 13, 2009July 2, 200918767 min.5"Crunching NUMB3RS: Trust Metric," featurettes for two episodes, "The Tony Touch", pre-production, and post production.
Season 5 October 20, 200921 June 2010August 4, 2010 23983 mins.6Cast and crew commentaries for three episodes, deleted scenes for "Thirty-Six Hours", "Crunching NUMB3RS: Season Five" featurette, "Celebrating 100" featurette, Blooper reel.
Season 6 August 10, 201018 July 2011July 21, 201116660 min.4Coming Full Circle: Numb3rs the final season, The women of Numb3rs, Pixel Perfect:the digital cinematography of Numb3rs, Production Photo Gallery


Nicolas Falacci and Cheryl Heuton, the show's creators, have won several awards for the show, including the Carl Sagan Award for Public Understanding of Science in 2006, and the National Science Board's Public Service Award in 2007. Also, the show's stunt coordinator, Jim Vickers, was nominated for an Emmy Award for Outstanding Stunt Coordination in 2006 for episode 14 of Season 2, "Harvest".

Representation of mathematics

Several mathematicians work as consultants for each episode. Actual mathematics is presented in the show; the equations on the chalkboards are mathematically valid, and are somewhat applicable to the situations presented in each show. This mathematical validity and applicability of the equations has been asserted by professional mathematicians.

However, "getting the math right and getting it to fit with the plot are not priorities for the NUMB3RS team", according to creator Cheryl Heuton.

A book entitled The Numbers Behind Numb3rs: Solving Crime with Mathematics (ISBN 0452288576; published August 28, 2007) has been written by Keith Devlin and Dr. Gary Lorden, a consultant to the show, explaining some of the mathematical techniques that have been used both in actual FBI cases and in other law enforcement departments.

Since the premiere season, the blog edited by Prof. Mark Bridger (Northeastern University) has explained the mathematics behind each episode of the show.

In Denmark, a blog on the mathematics in Numb3rs was established when the show premiered there. It is run by Assoc. Prof Lisbeth Fajstrup and is written in Danish.

Wolfram Research (the developers of Mathematica) is the chief math consultant, reviewing scripts and providing background mathematics for the show. Starting with season four, their website in collaboration with CBS is entitled "The math behind NUMB3RS".

Concerns from mathematicians

At least one mathematician consultant to the show has expressed concern with its use of mathematics, which is inserted after the script and written to provide plausible sounding jargon, rather than having consultants involved at all stages of story development. Other criticisms include the show's portrayal of female mathematicians and inappropriate aspects of the relationship between Charlie Eppes and his graduate student Amita Ramanujan.


The idea of Numb3rs was generated in the late 1990s when Nick Falacci and Cheryl Heuton, the show's creators, attended a lecture given by Bill Nye, a popular science educator. The premise of the show is similar to that of author Colin Bruce's reimaginings of the Sherlock Holmes character, and to the "Mathnet" segment on the children's television show Square One.

Gabriel Macht was originally cast to portray the character of Don Eppes. Also, the original concept for the show had the events take place at Massachusetts Institute of Technology; this was later changed to the fictional California Institute of Science, commonly called CalSci. Scenes which take place at CalSci are filmed at California Institute of Technology (Caltech) and the University of Southern California. One of the most frequent campus locations at Caltech is the vicinity of Millikan Library, including the bridge over Millikan Pond, the Trustees room, and the arcades of nearby buildings. At USC, locations include Doheny Library and the Town and Gown dining room. Exteriors for the FBI offices are on the distinctive bridge at Los Angeles Center Studios.

Another common location is the Craftsman home of the Eppes family. The house shown in the first season is real; it is owned by David Raposa and Edward Trosper, although a replica set was used from the second season onwards.

American television ratings

Seasonal rankings (based on average total viewers per episode) of Numb3rs on CBS.

Note: Each U.S. network television season starts in late September and ends in late May, which coincides with the completion of May sweeps.

Season Timeslot Season Premiere Season Finale Episodes TV Season Ranking Viewers
(in millions)
1st Friday 10:00 pm January 23, 2005 May 13, 2005 13 2004"2005 #36 10.77
2nd Friday 10:00 pm September 23, 2005 May 19, 2006 24 2005"2006 #32 11.62
3rd Friday 10:00 pm September 22, 2006 May 18, 2007 24 2006"2007 #38 10.5
4th Friday 10:00 pm September 28, 2007 May 16, 2008 18 2007"2008 #55 9.14
5th Friday 10:00 pm October 3, 2008 May 15, 2009 23 2008"2009 #37 10.29
6th Friday 10:00 pm September 25, 2009 March 12, 2010 16 2009"2010 #46 8.45

This webpage uses material from the Wikipedia article "Numb3rs" and is licensed under the GNU Free Documentation License. Reality TV World is not responsible for any errors or omissions the Wikipedia article may contain.



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