Past competitors on "American Ninja Warrior" take on a new side-by-side double obstacle course against another ninja. Four teams of ninjas will battle for a spot in the finals. The course features the Sonic Swing, Log Grip, Swing Jump, Dancing Stones, Pole Grasper, and Warped Wall. Storm Team includes Joe Moravsky, Rob Moravsky, and Marybeth Wang. The Average Jo Jo's feature Jo Jo Bynum, Jimmy Bogle Jr., and Caitlin Shukwit. Representing G-Force are Jessie Graff, Nicholas Coolridge, and Travis Brewer. Team TNT includes Travis Rosen, Adam Arnold, and Joyce Shahboz. The Relay Showdown obstacles are the Dueling Salmon Ladders, Tilting Ladders, and Tower Climb.