CSI: Crime Scene Investigation (2000)

S3E20 Last Laugh

Grissom and Catherine delve into the murder of a loathed comedian who tragically collapsed onstage, seemingly after sipping from a contaminated water bottle. The mystery intensifies when a 15-year-old boy dies in a convenience store after consuming the same brand of water. Meanwhile, Brass takes a second look at a woman's accidental death when he notices her husband driving a flashy new car with a glamorous date by his side.