William Petersen, Marg Helgenberger, George Eads, Gary Dourdan, Jorja Fox
: How the show's portrayal of forensic science influences real-world juror expectations and investigative procedures. CSI Las Vegas 5x18
The episode you are referring to is Season 5, Episode 18, titled " Spark of Life ," which first aired on March 31, 2005. Episode Summary titled " Spark of Life
: While Gil Grissom and Catherine Willows handle the burn case, other team members investigate the mysterious death of a family in their suburban home, which initially appears to be a mass suicide. Key Episode Details Information Air Date March 31, 2005 Director Kenneth Fink Writer Allen MacDonald Cast CSI Las Vegas 5x18