 | 1x01 Pilot (Air Date: Jan. 23, 2005)
In the premiere episode, Don races to capture a serial rapist who has begun to murder his victims. Charlie is recruited by Don to help track the killer. He creates a mathematical equation ... | | 1x02 Uncertainty Principle (Air Date: Jan. 28, 2005)
After a series of bank robberies, Don recruits Charlie to help chart the next robbery location, only to overlook the thieves’ true motive.When Don and his team attempt to catch a pair ... | | 1x03 Vector (Air Date: Feb. 04, 2005)
Don relies on Charlie's mathematical insight to help stop a virus that has been killing innocent people in Los Angeles.When people start mysteriously dying in Los Angeles, Don and his FBI ... | | 1x04 Structural Corruption (Air Date: Feb. 11, 2005)
Charlie convinces Don to investigate a student’s suicide in order to make sure that it was not murder.After an engineering student at CalSci is found dead from an apparent suicide, Charlie ... | | 1x05 Prime Suspect (Air Date: Feb. 18, 2005)
Don needs Charlie's help to find out why the daughter of a mathematician is kidnapped.When a 5-year-old girl is kidnapped from her birthday party, Don and Terry lead the investigation but ... | | 1x06 Sabotage (Air Date: Feb. 25, 2005)
While investigating a deadly freight train accident, Don and Charlie discover a shocking culprit who is on a mission to diminish public confidence in the railroad system.While consulting ... | | 1x07 Counterfeit Reality (Air Date: Mar. 11, 2005)
After two teens are found murdered, the investigation leads Don and his team to uncover a dangerous counterfeit money ring.Charlie is called in to use his mathematical expertise to pinpoint ... | | 1x08 Identity Crisis (Air Date: Apr. 01, 2005)
When new information on an old case comes to light, Don thinks he may have sent the wrong person to jail.When a recent murder bears a strong resemblance to a murder case he closed a year ... | | 1x09 Sniper Zero (Air Date: Apr. 15, 2005)
Don and his team must stop a sniper who goes on a killing spree in Los Angeles.Pressed for time to find the sniper, Don calls in a senior Sniper Instructor from Quantico (guest star Lou ... | | 1x10 Dirty Bomb (Air Date: Apr. 22, 2005)
Don must find the hijackers of a truck carrying nuclear waste before they detonate a dirty bomb in Los Angeles.Don and his team are called when it is discovered that a truck driver and his ... | | 1x11 Sacrifice (Air Date: Apr. 29, 2005)
Don and his FBI team are called in to solve the murder of a computer researcher and are surprised with what they find.After an independent computer researcher with a contract with the Defense ... | | 1x12 Noisy Edge (Air Date: May. 06, 2005)
When a UFO is spotted dangerously close to Los Angeles, Don recruits Charlie to help locate the mysterious aircraft's point of origin and is surprised when it turns into a murder investigation.Don ... | | 1x13 Manhunt (Air Date: May. 13, 2005)
Don must find two violent felons who escape after their prison bus is in a car accident, on the first season finale of NUMB3RS.As Don investigates the prison bus crash, Charlie uses of probability ... |
| 2x01 Judgment Call (Air Date: Sep. 23, 2005)
Don uses Charlie and Megan's expertise when the FBI is called to the scene of a federal judge's wife's murder, on the second season premiere.Dylan Bruno stars as Colby Granger, a new Los ... | | 2x02 Better Or Worse (Air Date: Sep. 30, 2005)
Don and his team must find who is responsible for kidnapping the family of a jewelry store owner before they are killed.A robbery at a jewelry store turns out to be a kidnapping when the ... | | 2x03 Obsession (Air Date: Oct. 07, 2005)
Don and his team search for the stalker of a pop princess which turns into a murder investigation of a paparazzo.When an alleged stalker breaks into a famous pop singer’s house, Don and ... | | 2x04 Calculated Risk (Air Date: Oct. 14, 2005)
Don and his team must solve the murder of a CFO of a large energy corporation who is found murdered on her doorstep and her young son is the only witness.Don and Megan are called to a murder ... | | 2x05 Assassin (Air Date: Oct. 21, 2005)
Don and his team find a suspicious code during a raid which Charlie determines is part of a secret plan to assassinate a Colombian exile living in Los Angeles.Along with David Sinclair and ... | | 2x06 Soft Target (Air Date: Nov. 04, 2005)
Don and his agents must uncover who interfered with a counter-terrorism exercise before deadly results occur.A week-long series of counter-terrorism exercises are put to the test by Homeland ... | | 2x07 Convergence (Air Date: Nov. 11, 2005)
When a father is killed in a home robbery, Don and his team investigate the connection between several recent robberies in the upscale community.When the number of violent home invasions ... | | 2x08 In Plain Sight (Air Date: Nov. 18, 2005)
A routine drug bust unveils a sensitive issue which Charlie takes to heart.Megan and a team of FBI agents bust a major methamphetamine lab, but lose the kingpin when he sets off a bomb and ... | | 2x09 Toxin (Air Date: Nov. 25, 2005)
When several people in Los Angeles suffer from seizures as a result of product tampering of over-the-counter medications, Don and his team discover that a former chemist from a large pharmaceutical ... | | 2x10 Bones Of Contention (Air Date: Dec. 09, 2005)
In the lab of the Heritage Museum , Jennifer Abernathy is working on some Native-American artifact. Once her work is done, she gathers her things and exits but doesn't make it outside as ... | | 2x11 Scorched (Air Date: Dec. 16, 2005)
Charlie helps Don and his team to find an arsonist who has set four fires so far with Molotov cocktails. Along with LAFD Arson Investigator Noah Stevens, the team will investigate the fire ... | | 2x12 The O.G. (Air Date: Jan. 06, 2006)
When Don and his team are called to the murder scene of a Los Angeles gang member, they learn that it is a fellow agent who had been working undercover. Without exposing the agent's cover, ... | | 2x13 Double Down (Air Date: Jan. 13, 2006)
A Russian 20-year-old man is killed after he played and won at Blackjack at a L.A. Card Club. There were four robberies reported at this club in the past six months. Don requires his brother's ... | | 2x14 Harvest (Air Date: Jan. 27, 2006)
A teenager, from the same part of India where Amita is from, is discovered in the basement of an old downtown hotel. It is believed she was being tortured. It is discovered that the girl ... | | 2x15 The Running Man (Air Date: Feb. 03, 2006)
A DNA synthesizer that has the capability of customizing diseases, is stolen from the campus where Charlie teaches. Don fears the thieves may be terrorists out to start or advance a bio-warfare ... | | 2x16 Protest (Air Date: Mar. 03, 2006)
A bomb placed under a government car parked near a U.S. Army Recruitment Office explodes killing a man and leaving his wife in shock. Don and his team try to stop the bomb makers before ... | | 2x17 Mind Games (Air Date: Mar. 10, 2006)
A psychic called a search team and tipped them off about a location in the middle of nowhere where a crime has been committed. When the search team arrives there, they find a crime scene. ... | | 2x18 All's Fair (Air Date: Mar. 31, 2006)
While talking on her cellphone, a woman named Saida is taken and killed the day before she had an important interview. Saida was an Iraqi citizen in the states to make a documentary. She ... | | 2x19 Dark Matter (Air Date: Apr. 07, 2006)
As Don and his team investigate the motive behind two students' deadly school shooting, Charlie uses the school's radio frequency identification system to track the shooters' movements through ... | | 2x20 Guns and Roses (Air Date: Apr. 21, 2006)
When an ATF agent is found dead amid questionable circumstances, Don demands to take on the case, which revolves around an elaborate bank heist, after he learns the victim is his ex-girlfriend. ... | | 2x21 Rampage (Air Date: Apr. 28, 2006)
After an unknown man opens fire in the FBI offices, Don and his team must investigate his motive and his connection to a dangerous arms dealer who is on trial. After almost getting shot, ... | | 2x22 Backscatter (Air Date: May. 05, 2006)
An FBI investigation into a computer hacking scam, which taps into a bank's system to gain access to customer's identities and financial assets, becomes personal for Don when the Russian ... | | 2x23 Undercurrents (Air Date: May. 12, 2006)
Don enlists Charlie's help when the bodies of five young Asian girls found washed up are suspected of being infected with the Avian influenza virus.To prevent the potential spread of the ... | | 2x24 Hot Shot (Air Date: May. 19, 2006)
The details surrounding a young woman's death suggests to Don and his team that she could have been murdered by a serial killer. Upon further investigation, they uncover disturbing evidence ... |
 | 3x01 Spree (1) (Air Date: Sep. 22, 2006)
David interrogates Billy Rivers, one of Crystal Hoyt's ex-boyrfriend and someone she was looking for. When Billy is not cooperating as they would like, the team digs up some dirt on his ... |  | 3x02 Two Daughters (2) (Air Date: Sep. 29, 2006)
The FBI faces a stand off with Crystal who refuses to let Megan go unless the FBI releases her boyfriend in exchange. During the wait, however, Megan manages to get Crystal to open up about ... |  | 3x03 Provenance (Air Date: Oct. 06, 2006)
A very valuable painting on loan from a private collector is stolen from a small museum desipte stringent security measures. At first it seems to be a simple theft or insurance scam. As ... |  | 3x04 The Mole (Air Date: Oct. 13, 2006)
As Charlie's mathematical analysis reveals that the victim's death was no mere accident, Don grapples with the possibility of a leak in the Department of Justice. Meanwhile, Colby is caught ... |  | 3x05 Traffic (Air Date: Oct. 20, 2006)
When a father driving with his two children is gunned down on the freeway, Megan is puzzled when she can't find a specific pattern to the suspect's behavior and goes to Charlie for some ... |  | 3x06 Longshot (Air Date: Oct. 27, 2006)
When Don and his team investigate a murder at a horse track, they stumble onto more than just a plot of betting on fixed races. As Charlie digs deeper into the victim's life and discovers ... |  | 3x07 Blackout (Air Date: Nov. 03, 2006)
When a series of blackouts occur in power stations leaving large areas of Los Angeles in the dark, Don and his team must determine if the blackouts are accidental or the work of terrorists. ... |  | 3x08 Hardball (Air Date: Nov. 10, 2006)
After some probing into the case, Charlie is astonished when he discovers Oswald Kitner, a fantasy league player who has developed an extraordinary statistical analysis that identifies which ... |  | 3x09 Waste Not (Air Date: Nov. 17, 2006)
Don and his team investigate a trail of illegal waste disposal after a sinkhole, which collapses in a school playground, kills an elderly woman and injures several children.This episode ... |  | 3x10 Brutus (Air Date: Nov. 24, 2006)
Senator Martin Tallman and a local psychiatrist have one thing in common -- they both are found murdered during Don's shift. Though both of the murders took place in very different circumstances, ... |  | 3x11 Killer Chat (Air Date: Dec. 15, 2006)
Don hunts for a serial killer after a man is found tied up and beaten to death in an unoccupied house that is for sale, the third such murder to occur in six weeks. The investigation reveals ... |  | 3x12 Nine Wives (Air Date: Jan. 05, 2007)
When a teenage girl is found almost beaten to death, Don and his team discover that she escaped from a polygamous cult headed by a fundamentalist leader who is on the run from the FBI. They ... |  | 3x13 Finders Keepers (Air Date: Jan. 12, 2007)
The FBI asks Charlie to retrace the path of a marine salvage barge because Don suspects a murder took place on board. However, Charlie is put in a difficult situation when the National Security ... |  | 3x14 Take Out (Air Date: Feb. 02, 2007)
Don and his team investigate a rash of deadly restaurant robberies. During the investigation, the FBI discovers that the thieves steal the restaurant customer's credit cards so that they ... |  | 3x15 End Of Watch (Air Date: Feb. 09, 2007)
The authorities looking into a case are lead to believe that a former gang member was behind a police officer's death, a death they think was a revenge killing for the death of the former ... |  | 3x16 Contenders (Air Date: Feb. 16, 2007)
While training for an upcoming championship match, a martial arts fighter dies in the ring. The case becomes more complex when the victim's sparring partner, a friend of David's, emerges ... |  | 3x17 One Hour (Air Date: Feb. 23, 2007)
Don has another visit with his therapist while the team must race against the clock to find a young boy who has been kidnapped. Those behind the kidnapping refuse to release the boy until ... |  | 3x18 Democracy (Air Date: Mar. 09, 2007)
Several suspicious deaths of people in similar careers are found to be connected to an electronic voting fraud conspiracy. Don and the FBI team, with the help of Charlie, must track down ... |  | 3x19 Pandora's Box (Air Date: Mar. 30, 2007)
A small plane crashes mysteriously in a forest, killing all on board. Amita & Dr. Finch help Charlie repair the plane's black boxes. When Charlie is able to test the in-flight computer, ... |  | 3x20 Burn Rate (Air Date: Apr. 06, 2007)
While on the hunt for a serial letter bomber, Don and Charlie disagree over whether a suspected bomber, who had eluded conviction years earlier, is the person responsible for the latest ... |  | 3x21 The Art Of Reckoning (Air Date: Apr. 27, 2007)
Don believes that a death row inmate has an ulterior motive when he suddenly wants to confess the whereabouts of bodies he buried during his days as a hit man for the mob.Dr. Larry Fleinhardt ... |  | 3x22 Under Pressure (Air Date: May. 04, 2007)
Don and the FBI uncover a possible terrorist attack on Los Angeles that targets the city's water supply. Much to Don's dismay, Charlie gets their father, Alan, more involved in the investigation ... | | 3x23 Money For Nothing (Air Date: May. 11, 2007)
When thieves hijack a truck filled with valuable medical supplies, $50 million dollars intended for a relief effort in Zambia and two aid workers, the FBI races a second violent crew intent ... |  | 3x24 The Janus List (Air Date: May. 18, 2007)
Following a deadly standoff with a mysterious bomber, Don and Charlie learn that he was poisoned in order to keep him from revealing a secret that changes the FBI team forever. |
| 4x01 Trust Metric (Air Date: Sep. 28, 2007)
Agent Granger finds himself in prison after it is uncovered that he is a mole for the Chinese in the FBI. But when Granger escapes, Don and his team must track him down and uncover the tangled ... |  | 4x02 Hollywood Homicide (Air Date: Oct. 05, 2007)
Secrets and blackmail are revealed when a woman is murdered in an up and coming actor's home in the Hollywood Hills. Charlie and Amita discover that DVD piracy is linked into the blackmail ... | | 4x03 Velocity (Air Date: Oct. 12, 2007)
A typical morning at a coffee shop is thrown into chaos when a car slams into the cafe, killing one and injuring several. However, the team soon finds that it may not be an accident after ... | | 4x04 Thirteen (Air Date: Oct. 19, 2007)
After breaking the patterns in Bible verses that a killer leaves behind, Don and his team are able to track the killer, but remain one step behind. The investigation is complicated by an ... |  | 4x05 Robin Hood (Air Date: Oct. 26, 2007)
A private safe deposit bank that holds millions of dollars for the rich and famous is robbed, but the contents of safety deposit boxes are later donated to charities. The items have been ... |  | 4x06 In Security (Air Date: Nov. 02, 2007)
When a member of the Witness Security Program is murdered in cold blood in her home, Don can't help but feel responsible for her death. As the investigation unfolds, a twisted trail leads ... | | 4x07 Primacy (Air Date: Nov. 09, 2007)
Don and his team enter the world of alternate-reality games following the death of a man who was participating in a game. The victim was an Assistant US Attorney, thus putting it within ... | | 4x08 Tabu (Air Date: Nov. 16, 2007)
A high-profile heiress is kidnapped by a group who is out to attack her father. Don and the team try to save her, but their rescue mission takes a shocking turn when they learn the group's ... | | 4x09 Graphic (Air Date: Nov. 23, 2007)
Charlie helps Don and his team find a rare vintage ashcan version of a comic book that was stolen from a comic book mogul at a convention. The investigation becomes more complex when 14 ... | | 4x10 Chinese Box (Air Date: Dec. 14, 2007)
A former FBI subcontractor guns down an agent inside the agency's headquarters and takes a member of Don's team hostage. Charlie and Alan, who are visiting the FBI office, assist in resolving ... | | 4x11 Breaking Point (Air Date: Jan. 11, 2008)
Someone is trying to physically intimidate Charlie so he will stop working a case where an investigative journalist has gone missing.Meanwhile, Professor Ray Galuski has been helping Alan ... | | 4x12 Power (Air Date: Jan. 18, 2008)
A police officer who is also a serial rapist, uses his position to lure victims. The rapist is being sought by Don and his team. Don and Megan experience difficulties with a female Internal ... |  | 4x13 Black Swan (Air Date: Apr. 04, 2008)
Don and the team bust a meth lab, but Don's instinct leads him to arrest a bystander who is planning an even greater scheme. | | 4x14 Checkmate (Air Date: Apr. 11, 2008)
Don's former girlfriend, Robin Brooks, returns to California to prosecute a criminal. However, when the witnesses for the case are murdered, Don and the team worry that the next victim will ... |
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