NBC will present its second annual "American Ninja Warrior" international competition with a three-hour special, "USA vs. the World." Five of the top competitors from "American Ninja Warrior" will go head-to-head against competitors from Japan and from Europe in a high-stakes competition on the show's famed four-stage finals course.

"American Ninja Warrior" travels to Las Vegas, Nevada where the top finishers from the regional finals tackle the ultimate challenge - a four stage course modeled after 'Mount Midoriyama' in Japan. Competitors will attempt Stage One, with new obstacles the Piston Road and Silk Slider. The finalists will vie to win a cash prize of $500,000 and the title of "American Ninja Warrior."

American Ninja Warrior recaps the best runs of the season.

The top qualifiers in Denver now face the final course, hoping to punch their tickets to the finals in Las Vegas.

"American Ninja Warrior" travels back to St. Louis, Missouri where the top 30 competitors from the St. Louis Qualifier tackle the St. Louis Finals course. They will face the Salmon Ladder, Rumbling Dice, Crazy Cliffhanger and Spider Climb. The St. Louis competitors will vie for a chance to compete in the Las Vegas finals, to win a cash prize of $500,000 and the title of "American Ninja Warrior."

"American Ninja Warrior" travels back to Dallas, Texas where the top 30 competitors from the Dallas Qualifier tackle the Dallas Finals course. They will face the Salmon Ladder, Swinging Frames, Pole Grasper and Spider Climb. The Dallas competitors will vie for a chance to compete in the Las Vegas finals, to win a cash prize of $500,000 and the title of "American Ninja Warrior."

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."

Miami, Florida is the next stop for competitors to give it their all on the obstacle course. They will face all new obstacles the Dancing Stones, the Downhill Pipe Drop and the Mine Field. Miami is never short of fierce competition. Former Las Vegas Finalists Joyce Shahboz, Drew Drechsel and David "Flip" Rodriguez return. Wakeboard champions Rusty Malinoski and Shaun Murray compete as well as former professional Baseball player Rich Thompson. Two Olympians will attempt the Miami obstacles, Canoeist Fabien Lafevre and luger Preston Griffall. Competitors will vie for a chance to win a cash prize of $500,000 and the title "American Ninja Warrior."

- "American Ninja Warrior" travels to St. Louis, Missouri where competitors face new obstacles the Rope Junction Into Cargo, Double Tilted Ladder and Crazy Cliffhanger. X-Games gold medalist Kevin Robinson, motorcycle racer Dominic Anderson and "Ghost Adventures" host Nick Groff compete. Former Olympic gymnast turned police officer, Terin Humphrey, returns for another shot at completing the course. Competitors in this rigorous obstacle course competition series vie for a chance to win a cash prize of $500,000 and the title "American Ninja Warrior."

"American Ninja Warrior" travels to Dallas, Texas where competitors tackle ten obstacles including the brand new Tilting Table, Ring Toss and Swinging Frames. Olympic gymnast Johnny Horton and Olympic bobsledder Johnny Quinn will compete along with "American Ninja Warrior" veteran Brent Steffenson. Kacy Catanzaro, girlfriend of Steffenson, returns as one of the strongest women in the competition. Competitors in this rigorous obstacle course competition series vie for a chance to win a cash prize of $500,000 and the title "American Ninja Warrior."