The line between the living and the dead blurs on Halloween. Two of the house’s previous residents give the Harmons decorating advice.
When Sara unexpectedly returns, the CSI team come together to investigate the death of a famous young actress killed in a dubious traffic collision. Also, the CSI lab is attacked by a mysterious group of men.
When two office mates plot to rob a casino, their plan ends with the CSIs investigating a murder. (TV-14)
When a tractor-trailer carrying exclusive party guests mysteriously ends up at the bottom of the Hudson River, the CSIs must solve the mystery from the soggy remains. (TV-14)
When a man is killed due to a fake 911 call, Horatio must face off with a private investigator who is systematically destroying the team.