Several sequences were filmed during the 2007 PBR (Professional Bull Riders) World Finals at the Thomas and Mack Center in Las Vegas.
While examining a body with Dr. Robbins, Catherine speaks of dating a cowboy and then saying "Cowboy up." This is in reference to her role in the movie The Cowboy Way starring Kiefer Sutherland and Woody Harrelson.
Ty Murray (PBR President in this episode) was married to Jewel who sang the National Anthem in the beginning.