The series follows the ventures of a Missing Persons Unit of the FBI in New York City.
The best episode of "Without a Trace" season 6 is "Lost Boy", rated 7.4/10 from 148 user votes. It was directed by John Polson and written by N/A. "Lost Boy" aired on 9/27/2007 and is rated 0.3 point(s) higher than the second highest rated, "Clean Up".
The four-year-old adopted son of a celebrity couple is kidnapped, and the team must determine if the reason has to deal with the parents' status or the boy's own Sudanese origin.
Director: John Polson
Writer: N/A
The team considers if a father who cleans crime scenes for a living led to his disappearance with his daughter.
Director: Chris Long
Writer: N/A
The team searches for a missing mother who they believe may be searching for her son, who is also missing.
Director: N/A
Writer: Greg Walker
When a woman disappears after her boyfriend is killed by the police, the team suspects gang involvement. Later, Sam learns she's pregnant.
Director: N/A
Writer: Diego Gutierrez
An office shooting forces a woman to disappear, possibly to hide a deep secret.
Director: Kate Woods
Writer: N/A
Malone's team joins forces with Gil Grissom, a CSI from Las Vegas, and his team as they track a serial killer with ties to New York. The crossover starts on CSI: Crime Scene Investigation S08E06 Who and What (I).
Director: Jonathan Kaplan
Writer: Greg Walker
When a college student disappears after making racial remarks in a class, the team wonders if those may be directly connected to his disappearance.
Director: Martha Mitchell
Writer: N/A
The disappearance of an ultimate fighter leads the team to investigate his background, where they learn the man had a number of enemies.
Director: Jeannot Szwarc
Writer: N/A
The team determines if an ex-con's past criminal activity caused her to disappear after visiting a prison inmate. Det. Mars and Agent Johnson also continue their investigation.
Director: N/A
Writer: Diego Gutierrez
A child prodigy turned store Santa vanishes and the team wonders if he had criminal connections.
Director: Bobby Roth
Writer: David Amann
Malone and his team start off the new year investigating how a private investigator might have went missing.
Director: Eric Close
Writer: N/A
The team work on a case where a veterans-hospital worker vanishes and have two leads.
Director: Martha Mitchell
Writer: N/A
Jack goes missing after taking a case into his own hands which soon becomes intertwined with a human trafficking prostitution case that Vivian is working on.
Director: John Polson
Writer: Greg Walker, David Amann
While struggling to deal with the aftermath of Jack's accident, the team searches to find a teen heart transplant recipient, believing her disappearance might be connected to her donor. Samantha talks to Brian.
Director: Jonathan Kaplan
Writer: N/A
The team searches for a coma patient who had woken up after three years only to disappear.
Director: Chris Long
Writer: David Amann
After the latest lottery winner goes missing, the team works to figure out why.
Director: Martha Mitchell
Writer: N/A
A truck driver goes missing after saving a boy's life, and the team determines if that has anything to do with his disappearance. Meanwhile, Jack's mental health is examined by a psychiatrist.
Director: John Polson
Writer: N/A
Five people with an odd connection go missing from a coffee shop, and the team determines what the connection had to do with their disappearance. Meanwhile, Samantha gets ready for the birth of her child.
Director: Jonathan Kaplan
Writer: Greg Walker