Where & Why (II)
Without a Trace - S6 - E6
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).
Without a Trace: Season 6 - 18 Episode s
6x1 - Lost Boy
September 27, 2007
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.
6x2 - Clean Up
October 4, 2007
The team considers if a father who cleans crime scenes for a living led to his disappearance with his daughter.
6x3 - Res Ipsa
October 11, 2007
The team searches for a missing mother who they believe may be searching for her son, who is also missing.
6x4 - Baggage
October 25, 2007
When a woman disappears after her boyfriend is killed by the police, the team suspects gang involvement. Later, Sam learns she's pregnant.
6x5 - Run
November 1, 2007
An office shooting forces a woman to disappear, possibly to hide a deep secret.
6x6 - Where & Why (II)
November 8, 2007
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).
6x7 - Absalom
November 15, 2007
When a college student disappears after making racial remarks in a class, the team wonders if those may be directly connected to his disappearance.
6x8 - Fight/Flight
November 22, 2007
The disappearance of an ultimate fighter leads the team to investigate his background, where they learn the man had a number of enemies.
6x9 - One Wrong Move
December 6, 2007
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.
6x10 - Claus and Effect
December 13, 2007
A child prodigy turned store Santa vanishes and the team wonders if he had criminal connections.
6x11 - 4G
January 10, 2008
Malone and his team start off the new year investigating how a private investigator might have went missing.
6x12 - Article 32
January 17, 2008
The team work on a case where a veterans-hospital worker vanishes and have two leads.
6x13 - Hard Reset
April 3, 2008
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.
6x14 - A Bend in the Road
April 10, 2008
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.
6x15 - Deja Vu
April 24, 2008
The team searches for a coma patient who had woken up after three years only to disappear.
6x16 - A Dollar and a Dream
May 1, 2008
After the latest lottery winner goes missing, the team works to figure out why.
6x17 - Driven
May 8, 2008
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.
6x18 - Satellites
May 15, 2008
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.