The Best Episodes of Numb3rs

We all use math every day... Inspired by actual cases and experiences, Numb3rs depicts the confluence of police work and mathematics in solving crime. An FBI agent recruits his mathematical genius brother to help solve a wide range of challenging crimes in Los Angeles from a very different perspective.

The Janus List

#1 - The Janus List

Season 3 - Episode 24

In the midst of investigating a serious bomb threat, Don and Charlie uncover a secret that could change their lives and the lives of the team forever.

star 8.07
92 votes
Directors: John Behring
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When Worlds Collide

#2 - When Worlds Collide

Season 4 - Episode 18

In the season finale, Don and Charlie work together on a case that ends up with them going head to head about their personal beliefs, and one team member will walk away forever.

star 8.05
91 votes
Directors: John Behring
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One Hour

#3 - One Hour

Season 3 - Episode 17

Don talks to his therapist again, and while he's gone, the team races to find an eleven year-old boy being held on a $3 million ransom, and time is running out...

star 8.04
89 votes
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#4 - Pilot

Season 1 - Episode 1

To help capture a serial rapist-turned-killer, FBI Special Agent Don Eppes recruits his genius brother Charlie, who uses a mathematical equation to identify the killer's point of origin by working back from the crime scene locations.

star 7.93
273 votes
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Two Daughters (2)

#5 - Two Daughters (2)

Season 3 - Episode 2

David tries to get information from one of Crystal's old boyfriends, but he isn't helping. Things get personal for the team when Crystal kidnaps one of them.

star 7.90
111 votes
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The O.G.

#6 - The O.G.

Season 2 - Episode 12

When Don and his team are called to the scene of the murder of a Los Angeles gang member, they learn they are investigating the murder of another agent who had been working undercover.

star 7.89
121 votes
Directors: Rod Holcomb

#7 - Rampage

Season 2 - Episode 21

When an assailant opens fire in the FBI offices, Don and his team must determine his motive and possible connection to a dangerous arms dealer who is on trial. After nearly getting shot, Charlie is shaken and reluctant to return to the offices, which hinders his contribution to the case.

star 7.88
110 votes
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The Fifth Man

#8 - The Fifth Man

Season 5 - Episode 20

Don's life hangs in the balance after he is injured during a raid while investigating a series of home invasions.

star 7.87
93 votes
Directors: Ken Sanzel
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#9 - Hydra

Season 6 - Episode 5

The team attempts to find the daughter of a geneticist who they suspect was kidnapped by the unstable mother. However, they become concerned about the case when they find evidence that suggests the young girl was a clone. Meanwhile, Charlie and Amita discuss having kids and Liz reveals a dark secret.

star 7.86
100 votes
Directors: Ralph Hemecker
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Prime Suspect

#10 - Prime Suspect

Season 1 - Episode 5

When a five-year-old girl is kidnapped from her birthday party, Don and Terry lead the investigation, but must rely on Charlie's help because the girl's father, Ethan, is also a mathematician. Charlie realizes the kidnapper's motive when Ethan reveals he is close to solving Riemann's Hypothesis, a difficult math problem. If solved, the solution could not only earn him $1 million, but could break the code for internet security and unlock the world's biggest financial secret.

star 7.85
176 votes
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#11 - Disturbed

Season 5 - Episode 21

Feeling guilty over the stabbing, Charlie puts his attention on finding a serial killer using math theories to help the team solve the case before another life is taken.

star 7.84
85 votes
Directors: Dennis Smith
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In Plain Sight

#12 - In Plain Sight

Season 2 - Episode 8

Megan feels responsible for an agent's death following an explosion at a meth house the FBI had targeted for a bust. When the kingpin eludes capture, it's discovered he may also be involved in child pornography when one of the photographs on his computer turns out to be a young girl in a sexually explicit position. The picture sends Charlie on a crusade of his own, as he remembers a girl he knew as a young child that he suspected was being abused, and he's determined to save the little girl in the picture.

star 7.84
133 votes
Directors: John Behring
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Structural Corruption

#13 - Structural Corruption

Season 1 - Episode 4

After an engineering student at CalSci is found dead from an apparent suicide, Charlie convinces Don to launch an investigation after he reads the student's thesis that asserted that the architecturally magnificent Cole Center in Los Angeles is structurally unstable. Although reluctant at first, Don and his FBI agents discover that the student's findings were correct and uncover a dangerous and surprising conspiracy. Meanwhile, Alan prepares for a first date and convinces Don and Terry to join them, hoping they might rekindle their old romance.

star 7.83
175 votes
Directors: Tim Matheson
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Sniper Zero

#14 - Sniper Zero

Season 1 - Episode 9

The city is in a panic as a sniper goes on a shooting spree and randomly kills several people, including a postal worker. The investigation reveals that more than one shooter is at work. As Charlie works the case, he's frustrated by a sniper expert Don brings in to help out.

star 7.81
164 votes
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#15 - Democracy

Season 3 - Episode 18

Several area murders seem to be tied to voter fraud. Don, Charlie, and the team must find the killers before they strike again.

star 7.81
89 votes
Directors: Steve Boyum
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#16 - Vector

Season 1 - Episode 3

Various people in the L.A. area with seemingly nothing in common start to become extremely sick and die on the same day. Don fears bioterrorists may have released a deadly virus into the environment. While he tries to discover whether anyone is behind the outbreak, Charlie tries to locate the point of origin.

star 7.81
192 votes
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#17 - Sabotage

Season 1 - Episode 6

While consulting with the NTSB at the scene of the wreck, Don learns that this tragedy is one of a series of recreated accidents involving railroad negligence. As is the pattern with the previous train wrecks, an undecipherable numerical code is left at the site, which Don recruits Charlie to solve. By breaking the code, Charlie is able to establish that this accident was a recreation of a deadly wreck that left only one survivor several years ago. Don's investigation leads him and his team to a dangerous standoff with their suspect, who has surprising ties to the railway system.

star 7.81
166 votes
Directors: Lou Antonio
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#18 - Dreamland

Season 6 - Episode 6

The team investigates a decommissioned air base after a woman is found dead there, but their investigation is interrupted by paranormal happenings.

star 7.81
101 votes
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#19 - Toxin

Season 2 - Episode 9

After four people nearly die from poisoning, Don learns someone is tampering with nonprescription drugs. When the perpetrator publishes a manifesto in a local paper, Don is led to believe the person may be a former employee of the drug company that manufactured the drug.

star 7.80
135 votes
Directors: Jefery Levy
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Cause and Effect

#20 - Cause and Effect

Season 6 - Episode 16

After Charlie and Amita get married and begin preparations for their London adventure, they put a slight hold on their wedded bliss when they assist the team in helping Don track down the whereabouts of his gun after it goes missing.

star 7.80
113 votes
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Money For Nothing

#21 - Money For Nothing

Season 3 - Episode 23

$50 million dollars in medical relief is up for grabs after the shipment is stolen. But there's a catch--someone other than the FBI wants to recover the shipment. Don and the team find themselves pitted against blackmarketeers in a deadly race for the supplies.

star 7.78
86 votes
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Spree (1)

#22 - Spree (1)

Season 3 - Episode 1

Don has a problem. Crystal Hoyle and her boyfriend Buck are going on a robbery and killing spree. Their terror is spread over seven states, and Charlie is called in to help. However, problems between Alan and Charlie may hinder Charlie's concentration.

star 7.78
117 votes
Directors: John Behring
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Hot Shot

#23 - Hot Shot

Season 2 - Episode 24

Don investigates the murders of two young women found in their cars outside their homes. Their deaths were made to look like drug overdoses, but Don realizes a serial killer is responsible. Meanwhile, Charlie is having bizarre dreams about his parents. In one dream, his deceased mother appears and tells him he has a question to ask her, but he can't imagine what it could be.

star 7.76
106 votes
Directors: John Behring
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End Of Watch

#24 - End Of Watch

Season 3 - Episode 15

Don and the team reopen a cold case when a LAPD badge turns up at a construction site. When Charlie joins the investigation, they attempt to track down the owner of the badge, an officer who has been missing 17 years. Meanwhile, Alan is informed that he's being sued.

star 7.76
85 votes
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#25 - Ultimatum

Season 6 - Episode 8

While tracking down a felon running a heroin ring inside a prison, Agent Ian Edgerton becomes a murder suspect when the informant he meets with ends up dead, sending a desperate Edgerton over the edge when he takes a member of Don's team hostage.

star 7.76
107 votes
Directors: Dennis Smith
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