The qualifying rounds conclude in Denver, Colorado where competitors tackle two never before seen obstacles, the Cat Grab and Doorknob Grasper. This round will be the last opportunity to qualify for the finals in Las Vegas and a shot at winning the cash prize of $500,000. The show's most notable competitor, Brian Arnold, returns to the course. MMA fighter Michelle Waterson competes along with Harlem Globetrotter Bull Bullard and BMX champion Morgan Wade. Also tackling the course is Drew Manning, author of the New York Times best seller "Fit2Fat2Fit." Competitors in this rigorous obstacle course competition series will vie for the title "American Ninja Warrior."