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Inspired by a real-life behavioral scientist, this FOX drama tells the tale of a deception expert who helps uncover the truth for the FBI, local police, law firms, corporations, and individuals. Dr. Cal Lightman and his team are effectively human polygraph machines, and no truth can be concealed from them. The Lightman Group is headed by Dr. Cal Lightman and his partner Dr. Gillian Foster who is a gifted psychologist. She brings balance to the partnership by thinking about the overall picture while Lightman focuses on the details. Together they make an invincible team with insight into human behavior. Eli Loker is the lead researcher, who believes in radical honesty. He often gets in trouble for saying what he thinks. Ria Torres is one of the few "naturals" in the field of deception detection. She has an untapped ability to read people that makes her a force to be reckoned with the right training.
Created by Sam Baum, Lie to Me is executive-produced by Baum, Brian Grazer, David Nevins and Steve Maeda. The series is produced by Imagine Television and 20th Century Fox Television.

One of Foster's former patients turns up dead shortly after expressing concern that she is being squeezed out by a business partner.

When a woman claims her baby was kidnapped, Lightman suspects she is hiding something.

Lightman investigates three high school students responsible for a deadly traffic accident.

A wealthy woman asks Lightman to look into her new boyfriend's background.

Lightman questions his own sanity while he tries to get a patient released from a mental hospital.

The terminally ill owner of a successful chain of restaurants hires Lightman to fulfill his dying wish: track down his daughter's killer. In the process, Lightman uncovers the twisted dynamic of the fractured family empi...

A woman with early Alzheimers' is hit by Lightmans' car while Emily is driving and texting at the same time. The woman seems to be confused. Emily calls Cal to assist her. The woman seems to believe that people close to ...

Lightman faces off with the leader of a self-help empire to free a wealthy woman who may be under the control of the cultlike leader; Lightman suspects the group of threatening him and his daughter.

When Lightman investigates an explosion that killed six coal miners, he suspects foul play may be involved and goes below the surface to find the truth; the FBI seeks the Lightman Group's help with another case.

While vetting an art museum staff for security leaks prior to a major exhibition, Lightman meets a beautiful woman (guest star Helfer) who entangles him in a game of cat-and-mouse.

The Lightman Group is hired to examine police profiling techniques in the wake of an incident involving Wallowski (guest star Monique Curnen), and Internal Affairs attempts to leverage Lightman’s relationship with Wall...

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Intent on revenge a man (Shawn Doyle) plans to rob a bank, and Lightman tries to stop him.

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A young woman's disappearance leads to an investigation of crime in the pornography industry

Summary: Foster's boyfriend, Dave Burns (Max Martini), is kidnapped, and Cal must track him down with the help of Burns' mysterious ex-partner

Cal and Zoe (Jennifer Beals) are called to witness the execution of a man (David Marciano) they helped send to death row 17 years before---and face the possibility that he's innocent. Marciano is joined in the cast by fe...

A fighter in an underground club is found dead; Foster discovers a troubling secret.

Synopsis: When a gubernatorial race in Virginia turns deadly following the death of a young woman at a campaign event, the Lightman Group is tapped to explore conflicting scenarios of foul play.

Torres is forced to revisit her troubled past when her half-sister is incarcerated in a juvenile corrections facility.

After a housing-project shooting, the D.C. police ask Cal to read the face of a paralyzed victim, who can move only his eyes.

Cal confronts unsettling truths in his past as he and his team try to save the lives of an Iraq War vet and his family.

Cal is a witness at the trial of a woman (Melissa George) accused of murdering her much-older husband, a business tycoon.

Lightman and Foster are forced to revisit events in their past after one of Lightman's former colleagues is killed by a car bomb.

Lightman plays a dangerous game of cat and mouse with a brilliant, charming psychology graduate student whom Lightman identifies as a psychopath. When nobody believes him, Lightman sets out to prove the doubters wrong an...

During a political protest an unhappy farmer threatens the U.S. Treasury Department building by parking his tractor full of explosives nearby. Meanwhile, Loker has to bear down with a group of third graders in a field tr...

Cal, Foster and Reynolds go all in to find a missing finalist from the World Series of Poker in Las Vegas, where Cal must determine if the other players are being straight with him about the disappearance. Meanwhile, an ...

Summary: During the holiday season, Lightman goes to Afghanistan to assist in a mission to rescue two captured marines, and his only source of intelligence is an American expatriate.

A troubled teen who believes he was abducted as a baby wants to learn about his past. Meanwhile, Loker investigates a deadly stampede at a megastore the day after Thanksgiving.

When a government witness is murdered, the FBI hires The Lightman Group to determine who leaked the witness' whereabouts to the killers and to protect Agent Reynolds, the star witness in the case. When Reynolds refuses t...

A face from Lightman’s past pulls him into a dangerous criminal conspiracy, testing his friendship and loyalty. Meanwhile, The Lightman Group investigates a high school student’s homicidal threats.

The Lightman Group questions a man suspected of killing his wife; determined to prove his innocence, the man takes drastic measures that put the team's lives in danger.

Summary: While vacationing in Mexico, Cal and Emily get involved in the case of a missing American woman. Back in D.C., Foster and Cal's rival, Jack Rader (Marc Blucas), investigates tainted blood in area hospitals.

Summary: Zoe enlists the Lightman Group to investigate a star college football player accused of attacking a girl. Meanwhile, Foster and Loker travel to a religious compound to find out whether itÂ’s actually...

Summary: Season 2 premiere: A woman with multiple personalities (Erika Christensen) could be either a witness to a murder---or the killer. Meanwhile, the government hires the Lightman Group to question a possible Supre...

The FBI asks The Lightman Group for help after a terrorist bombing outside Washington, D.C.. Meanwhile, Zoe and Cal are both looking after their daughter's safety.

The Lightman Group partners with an FBI agent to go after a serial rapist who's been terrorizing Washington D.C..

The group investigates a controversial case about a cop who shot an innocent teenager. Meanwhile, The Lightman Group is sued.

The Lightman Group is hired by Cal´s ex-wife to help with an arson case.

Lightman discovers a massive cover-up while investigating the collapse of a building in a small town outside Washington; a billionaire (Pej Vahdat) hires the team to find out whether his girlfriend (Virginia Williams) lo...

The team tries to help a group of investors who were scammed for millions of dollars. Meanwhile, Lightman investigates the case of two women who committed suicide.

When Lightman is hired to find a corporate spy at a pharmaceutical company, he discovers a high-level conspiracy surrounding a new drug that could put thousands of lives at risk. The team is also hired by the State Depar...

Gillian and Cal investigate the disappearance of an 11-year-old girl who is believed to have been murdered. Meanwhile, Eli and Ria must determine whether a renowned peace activist is really who she claims to be and if he...

Ria and Cal question a former gang leader who claims to be rehabilitated. Meanwhile, Eli and Gillian look into the death of a firefighter who was killed in the line of duty.

The team tries to prevent the assassination of a South Korean ambassador at a state wedding, but when someone else is shot Lightman reveals some of his own personal secrets to identify the assassin.

When the daughter of a federal judge is murdered, The Lightman Group holds an investigation at the girl's ultra competitive high school. Meanwhile, the team also investigates the case of a NASA test pilot when the subjec...

A commanding officer is accused of sexual assault by a female soldier, and Lightman is brought in to resolve the situation. Meanwhile, the Lightman Group must find out whether a college basketball star is lying when rumo...

After a teacher is murdered, the team investigates a student who is seen fleeing the murder scene.