|Grissom Versus the Volcano|
Anthony E. Zuiker
|Director||Richard J. Lewis|
|Original Airdate||December 11, 2003|
Grissom Versus the Volcano is the ninth episode of season four of CSI: Crime Scene Investigation
When the new sheriff is witness to a car bombing that kills an air marshal and two others, he puts pressure on Grissom to find the murderer. Nick puts the bomb back together, finding out it was a pipe bomb connected to to a timer in the dash board. Remains of the bomb lead Grissom, Catherine and Nick to a high school science fair. Meanwhile Warrick and Sara look into the death of the wife of a popular singer. With help from Greg, Warrick and Sara find out that the wife committed suicide via poison.
- First appearance of Detective Louis Vartann
- While searching a home, Sara mentions she will start with the west wing. Actress Jorja Fox appeared in several episodes of The West Wing.