Episodes
Uncertainty Principle
Series 1 / Episode 2
After a series of bank robberies, Don recruits Charlie to help chart the next robbery location, only to overlook the thieves' true motive.
Vector
Series 1 / Episode 3
Don relies on Charlie's mathematical insight to help stop a virus that has been killing innocent people in Los Angeles.
Structural Corruption
Series 1 / Episode 4
Charlie convinces Don to investigate a student's suicide in order to make sure that it was not murder.
Prime Suspect
Series 1 / Episode 5
Don needs Charlie's help to find out why the daughter of a mathematician is kidnapped.
Sabotage
Series 1 / Episode 6
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.
Counterfeit Reality
Series 1 / Episode 7
After two teens are found murdered, the investigation leads Don and his team to uncover a dangerous counterfeit money ring.
Identity Crisis
Series 1 / Episode 8
When new information on an old case comes to light, Don thinks he may have sent the wrong person to jail.
Sniper Zero
Series 1 / Episode 9
Don and his team must stop a sniper who goes on a killing spree in Los Angeles.
Dirty Bomb
Series 1 / Episode 10
A dedicated FBI agent and his younger brother, a brilliant mathematician, take on criminal cases from very distinctive perspectives. One deals in hard facts and evidence and the other, in a world of mathematical probability and equations.
Sacrifice
Series 1 / Episode 11
A dedicated FBI agent and his younger brother, a brilliant mathematician, take on criminal cases from very distinctive perspectives. One deals in hard facts and evidence and the other, in a world of mathematical probability and equations.
Noisy Edge
Series 1 / Episode 12
A dedicated FBI agent and his younger brother, a brilliant mathematician, take on criminal cases from very distinctive perspectives. One deals in hard facts and evidence and the other, in a world of mathematical probability and equations.
Man Hunt
Series 1 / Episode 13
A dedicated FBI agent and his younger brother, a brilliant mathematician, take on criminal cases from very distinctive perspectives. One deals in hard facts and evidence and the other, in a world of mathematical probability and equations.
Judgment Call
Series 2 / Episode 1
Don and Charlie investigate the murder of a judge's wife who was shot in her garage. It's unclear whether she was the intended target or her husband, who was hearing a death penalty case involving a gang leader.
Better or Worse
Series 2 / Episode 2
Charlie assists the FBI after a woman is shot by a security guard when attempting to rob a jewellery store in Beverly Hills.
Obsession
Series 2 / Episode 3
The FBI becomes involved with an investigation into the stalking of a popular singer. Charlie soon determines she could be getting harassed by more than one person.
Calculated Risk
Series 2 / Episode 4
Don and Megan are called to the murder scene of a powerful CFO who was soon to testify against her fellow executives. As there could be many disgruntled ex-employees, Don asks Charlie to narrow the list.
Assassin
Series 2 / Episode 5
Don uncovers a secret code that begins the hunt for a skilled and trained assassin. The FBI must ultimately save the life of a Colombian exile living in Los Angeles.
Soft Target
Series 2 / Episode 6
Don and his team are assigned the mission to locate and catch the person responsible for releasing potentially lethal gas in the city's subway system.
Convergence
Series 2 / Episode 7
When a father is killed in a home invasion, Don and his team investigate the connection between the murder and a number of robberies in the upscale community.
In Plain Sight
Series 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.
Toxin
Series 2 / Episode 9
After four people nearly die from poisoning, Don learns someone has been tampering with non-prescription drugs. Don is led to believe the person may be a former employee of the drug's manufacturer.
Bones of Contention
Series 2 / Episode 10
When a researcher who specialises in Native American antiquities is killed at the museum she works at, the FBI is called in because the museum is on federal land.
Scorched
Series 2 / Episode 11
Don and his team must find the serial arsonist responsible for an innocent man's death.
The OG
Series 2 / Episode 12
When a fellow FBI agent working undercover is killed in a gang retaliation, Don and his team must investigate.
Double Down
Series 2 / Episode 13
The murder of a young student at a card club leads the FBI to uncover a deadly card counting scheme.
Harvest
Series 2 / Episode 14
The agents must stop an organ trafficking ring when they discover a young immigrant girl died while selling one of her kidneys.
The Running Man
Series 2 / Episode 15
A Cal Sci science student becomes the suspect when an expensive piece of equipment is stolen from the school's DNA lab.
Protest
Series 2 / Episode 16
An anti-war bombing which kills an innocent man becomes personal when the investigation reveals surprising information about Don and Charlie's father's past.
Mind Games
Series 2 / Episode 17
When a psychic leads authorities to a deadly crime scene, Charlie sets out to prove it is just a fluke.
All's Fair
Series 2 / Episode 18
The FBI investigates the murder of a female Iraqi activist which happened on U.S. soil.
Dark Matter
Series 2 / Episode 19
Don and his team investigate a school shooting only to be surprised by one of the suspects.