Dr. Cal Lightman teaches a course in body-language and makes an honest fortune exploiting it. He's employed by various public authorities in various investigations, doing more when the police etc. fail to go the extra mile. Today he finds out the truth about a murder involving high school-kids and/or - staff. And why Congressman Zeb Weil would rather resign under false accusations of having paid for sex than divulge his purpose in the bordello. Written by KGF Vissers

The gang split into two teams to tackle two cases. Cal and Torres investigate a charge of Rape at the army whilst Dr. Foster and Loker investigate a college basketball player accused of taking a bribe. The rape case is particularly challenging because a private is accusing her sergeant of the crime and their unit is due to deploy to Iraq in 72 hours. The other case is much more straight forward but the reasons behind the crime prove to be very complex. Written by Mark Smith msmith@osi.co.uk

The gang again split into two teams to tackle two more cases. A very sensitive case of a murdered teenager at a prestigious school involves Cal and Torres investigating a judge appointed by the President. In the other case Dr. Foster and Loker investigate a NASA test pilot who appeared to black out and ejected seconds before he crashed his top secret SCRAM jet into the ground. Written by Mark Smith msmith@osi.co.uk

The Lie to Me gang attends a high profile wedding where the father of the groom, a Korean ambassador, has been getting death threats.

The gang tackles 2 cases -- the suspicious death of a firefighter and the parole of a former gang leader.

Dr. Lightman and Dr. Foster tackle the case of a missing girl. Torres and Loker focus on whether a North Ugandan woman told the truth in her autobiography about the violence in her country.

Dr. Lightman and Torres investigate a drug company affiliated with one of Dr. Lightman's college friends. Dr. Foster and Loker help negotiate with Yemen for the release of two young Americans.

Dr. Lightman and Torres investigate a spate of suicides in young Indian women. We discover that a suicide has helped shape Dr. Lightman. Meanwhile, Dr. Foster and Loker are at odds while they investigate a case of suspected SEC fraud.

Dr. Lightman and Dr. Foster help FEMA run a rescue operation on a collapsed construction site. Torres and Loker talk to the girlfriend of an internet billionaire.

Dr. Lightman's ex-wife shows up, and asks him to tackle an arson case. Torres works the case of a drive by shooting that killed a member of a rapper's entourage.

Dr. Lightman and Dr. Foster investigate a police shooting that may be tied up with terrorists. Lawyers come to interview the staff in a class action lawsuit involving investor fraud in an earlier case. Loker and Torres's friendship is tested. Dr. Lightman digs deeper into what's going on with Dr. Foster's husband. Written by Jordan Hay

On behalf of the FBI, the Lightman Group works the case of a copycat serial rapist who blinds his victims. Lightman faces off against the original rapist, a master liar.

The whole Lightman group solves the case of terrorist bombings in the D.C. area. Dr. Foster has escalating problems with her marriage. Torres's boyfriend in the Secret Service is in danger.