Ronnie tells Sara that she got offers to work for both New York and Miami CSI before she came to Las Vegas, which is where two of the other CSI franchise shows are based. (The third is in the FBI's lab)
Britt Robertson plays a 12-year-old girl named Amy in this episode, but Britt was around 16 or 17 with this episode was filmed.
Reference is made to the Fitzgerald's thermometer being 109 degrees. As the USA uses fahrenheit, the "imperial" measurement system, for those viewers used to the alternate metric measuring systems, that 109 degrees F is equal to 42.778 degrees Celsius.