American Ninja Warrior - Season 4 Episode 19 -

The National Finals commence in Las Vegas, NV on a course featuring the Step Slider, Rolling Log, Giant Swing, Jumping Spider, Half Pipe Attack, Warped Wall, Spinning Bridge, and Final Climb. Favorites include David Money, Michael "Frosti" Zernow, Gunner Bahn, Marcus Ramos, and Nathaniel Spencer, among others. Finishers advance to Stage 2.