Nicholas DiNardo

Ray's parents' house is targeted by Troup Leader Peggy and her daughter.

J.D. turns to Carla and Turk for help diagnosing a patient with puzzling symptoms; running into her former flame (Scott Foley) prompts Elliot to undergo a complete makeover.

When a rich family is trapped on a burning yacht in shark-infested waters, the CSIs must investigate. The daughter is killed during the tragedy, and the team soon discovers a web of lies within the family. Now, as the team delves into the world of outrageously wealthy yacht club members, they find that not everyone is who they appear to be. Meanwhile, Calleigh clashes with her replacement in the ballistics lab. (TV-PG)

For her birthday, Maddie is given a Halloween-free party.

While Jeff is out of town, Holly takes Val out on the town, but the female bonding stops when Hunter, a guy Holly has her eye on, makes a pass at Val. Things get worse when Hunter's jealous girlfriend comes looking for Val.