• Air date: 27 Sep '07 18 episodes
      The sixth season of Without a Trace began airing in United States on September 27, 2007. Twelve episodes had been completed before the WGA Strike. A further six episodes were produced after the end of the strike, making this the shortest season of Without a Trace at 18 episodes. This season included a cross-over with CSI: Crime Scene Investigation involving Jack and Gil Grissom tracking a serial killer from Las Vegas to New York. This established Without a Trace as part of the same fictional universe as the trilogy of CSI shows and Cold Case. The sixth season of Without a Trace has not been released on DVD in region 1 but was released in region 2 in Germany on November 20, 2009 on and in the UK on July 5, 2010.
  • List of Episodes (18)
    • 1. Lost Boy

      27 Sep '07
      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.
    • 2. Clean Up

      04 Oct '07
      The team considers if a father who cleans crime scenes for a living led to his disappearance with his daughter.
    • 3. Res Ipsa

      11 Oct '07
      The team searches for a missing mother who they believe may be searching for her son, who is also missing.
    • 4. Baggage

      25 Oct '07
      When a woman disappears after her boyfriend is killed by the police, the team suspects gang involvement. Later, Sam learns she's pregnant.
    • 5. Run

      01 Nov '07
      An office shooting forces a woman to disappear, possibly to hide a deep secret.
    • 6. Where & Why

      08 Nov '07
      (Crossover episode with CSI: Crime Scene Investigation, Season 8 Episode 6.) 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.
    • 7. Absalom

      15 Nov '07
      When a college student disappears after making racial remarks in a class, the team wonders if those may be directly connected to his disappearance.
    • 8. Fight/Flight

      22 Nov '07
      The disappearance of an ultimate fighter leads the team to investigate his background, where they learn the man had a number of enemies.
    • 9. One Wrong Move

      06 Dec '07
      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.
    • 10. Claus and Effect

      13 Dec '07
      A child prodigy turned store Santa vanishes and the team wonders if he had criminal connections.
    • 11. 4G

      10 Jan '08
      Malone and his team start off the new year investigating how a private investigator might have went missing.
    • 12. Article 32

      17 Jan '08
      The team work on a case where a veterans-hospital worker vanishes and have two leads.
    • 13. Hard Reset

      03 Apr '08
      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.
    • 14. A Bend in the Road

      10 Apr '08
      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.
    • 15. Deja Vu

      24 Apr '08
      The team searches for a coma patient who had woken up after three years only to disappear.
    • 16. A Dollar and a Dream

      01 May '08
      After the latest lottery winner goes missing, the team works to figure out why.
    • 17. Driven

      08 May '08
      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.
    • 18. Satellites

      15 May '08
      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, Spade gets ready for the birth of her child.