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Episode 501: High Exposure » The fifth season begins with the murders of two rock climbers who possess a valuable stolen diamond. Don is assisted in the investigation by Agent Edgerton. Meanwhile, Charlie considers whether he wants to get his FBI clearance back, and a new agent (and former LAPD officer) joins the team. More »
Math used:
crystallography, polarized light, squish-squash, satellite orbits, energy fields |
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Episode 502: The Decoy Effect » Don investigates a series of kidnappings occurring at ATMs after one kidnapping victim is murdered. Charlie meets with an FBI investigator who has the power to grant or deny him a security clearance with the Bureau. More »
Math used:
ternary computing, triangles, combinatorics, distributed neural networks, Smith rule, beam search, scheduling algorithms |
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Episode 503: Blowback » When eight people, including two police officers, are executed in a coffee shop, an LAPD detective gets the team on the case, and they uncover a trail of blackmail, romance, and corruption. Also, McGowan's investigation of Charlie and Don deepens. More »
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Episode 504: Thirty-Six Hours » When a train carrying passengers collides with one carrying chemicals, Amita and Larry must work against the clock to help Don's team find survivors. More »
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Episode 505: Jack of All Trades » Don and his team are called in to help a veteran FBI agent track down a con artist who has eluded authorities for years. Also, Agent McGowan hands down his decision on Charlie's security clearance and Don's future with the FBI. More »
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Episode 506: Scan Man » A mathematical savant has sent numerous shipping boxes in perpetual travel around the country. Now, a dangerous team of criminals is trying to exploit this scheme. More »
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Episode 507: Magic Show » As agent David Sinclair watches a magic trick, a lady vanishes, but blood is the only thing that reappears. The FBI investigates. More »
Math used:
blood spatter trigonometry, volume calculations, stage magic, hydraulic press |
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Episode 508: Charlie Don't Surf » When a professional surfer and childhood friend of Don is killed in a supposed surfing accident, the surfer's father asks Alan and the NUMB3RS team to launch an investigation. More »
Math used:
lensmaker's equation, optics, NOAA, vector fields, speed of light and sound, deconvolution algorithms, roshambo, focal points, wave physics, magnifying glass, oceanography, rock-paper-scissors game, spectral density functions, Fourier transforms, neural networks |
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Episode 509: Conspiracy Theory » Many radical groups suspect the Global Enhancement Organization as being behind several conspiracies. When the offices of the GEO explode, the FBI must sift through possibly untrustable data. More »
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Episode 510: Frienemies » An illegal vigilante group has initial success fighting crime, until they attack the wrong gang. Charlie must ask his longtime rival, Dr. Marshall Penfield, for help in pre-identifying the location of the next conflict. Colin Hanks guest stars. More »
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Episode 511: Arrow of Time » In the season 3 opener, Don put away mass murderer Buck Winters. Now, Buck has escaped prison, putting the team into a possibly irreversible situation. More »
Math used:
entropy, simplex method, Taylor expansions, Shannon's source coding theorem, decitexes, arrow of time, Viterbi algorithm, Maxwell's Demon |
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Episode 512: Jacked » A tour bus with 18 passengers is hijacked by a sophisticated group demanding a million dollars per passenger. With the windows painted over and the bus in motion, the team must visualize not only the interior of the bus, but the intended endgame. More »
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Episode 513: Trouble in Chinatown » A gunfight in Chinatown gains the attention of the FBI, as well as attention from returning psychic Simon Kroft (John Glover). Written by Peter MacNicol. More »
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Episode 514: Sneakerhead » A theft at the Brazilian consulate puts the team of gumshoes into the lucrative world of collectible sneakers. Directed by Emelio Estevez. More »
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Episode 515: Guilt Trip » A jury for one of Don's cases is compromised when the Mersenne twister algorithm selecting it is hacked. More »
Math used:
hydrophilic spheres, lotteries, Mersenne twister, spatial dynamic jury model, coin flips, herding techniques |
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Episode 516: Cover Me » Charlie models a plan to disrupt a new drug market, but an assisting undercover agent may be unreliable. Directed by Rob Morrow. More »
Math used:
economic modeling theory, market disruption |
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Episode 517: First Law » When a DARPA AI researcher dies in the computer lab, Charlie, Amita, and the FBI investigates. The new system may have passed the Turing test, but might also be a murderer. More »
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Episode 518: 12:01 a.m. » A mobster is about to be executed for a murder he may not have committed. Can Charlie assist with the case, and help out the Cal-Sci basketball team at the same time? More »
Math used:
rainbow, Gaussian smoothing, ragdoll physics |
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Episode 519: Animal Rites » An animal rights group is implicated in the death of a researcher. A flash mob on the Cal-Sci campus complicates matters, and soon a full-scale rescue effort is necessary. More »
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Episode 520: The Fifth Man » When Charlie moves into the Biederman office, he is inspired to work on an idea -- but neglects to study a case that Don asked for help with. More »
Math used:
uncertainty principle, payoff matrix, Voronoi tesselations, path minimization, Djikstra's algorithm |
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Episode 521: Disturbed » Charlie builds a database of unsolved cases, on the hypothesis that a smart serial killer connects many of them. In this 100th episode, he winds up revisiting events from the 1st episode. More »
Math used:
SETI, signal detection, microclusters, Kim Rossmo algorithms, lunar phases |
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Episode 522: Greatest Hits » Nikki feels a sense of extreme deja vu while investigating a bank robbery. Henry Winkler reprises his role as Agent Bloom (Episode 505). More »
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Episode 523: Angels and Devils » In this continuation of Episode 522, Charlie and Don hunt for a kidnap victim who is the key for a bank robbery. Lou Diamond Phillips returns as Agent Edgerton. More »
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