The ninth season starts at Universal Studios Hollywood in Los Angeles, California with the qualifying course featured in Celebrity Ninja Warrior: the Floating Steps, Cannonball Drop, Fly Wheels, Block Run, Battering Ram, and Warped Wall. Veteran ninj... (more)as include the “Island Ninja” Grant McCartney, stock trader Kevin Bull, stuntman Flip Rodriguez, and YouTube sensation Natalie Duran, while Olympic pole vaulter April Steiner Bennett and MIT student Charlie Andrews take on the course for the first time.