Qualifying rounds begin in San Antonio as the ninjas face four new obstacles plus the Warped Wall.

The qualifying rounds continue in San Antonio, where competitors as young as 15 take on seasoned veterans on the world's most challenging obstacle course; the new Piston Plunge obstacle makes its debut on the course that ends with the Warped Wall.

The qualifying rounds continue in San Antonio, where competitors as young as 15 take on seasoned veterans on the world's most challenging obstacle course; the new Kickboards obstacle makes its debut on the course that ends with the Warped Wall.

The qualifying rounds continue in San Antonio where Minions have taken over the course and brought the new obstacle Despicaballs; other new obstacles include Shattered Panes and Final Frontier in addition to the iconic Warped Wall.

The qualifying rounds conclude in San Antonio with ninjas from across the country taking on the world's most challenging obstacle course; competitors as young as 15 take on seasoned veterans in this first round of competition from the Alamodome.

The semifinals begin in Los Angeles, where the competing ninjas face up to 10 challenging obstacles, including, for the first time, Kaleidoscope, Ghost Town and Spin Zone; the two fastest ninjas will face off on the Power Tower for a Safety Pass.

The semifinals continue in Los Angeles where the competing ninjas face up to 10 challenging obstacles, including new obstacles Hopscotch and Box Office; the two fastest ninjas will face off on the Power Tower for a Safety Pass.

The semifinals continue in Los Angeles, where competing ninjas will face up to 10 challenging obstacles, including new obstacles Over Under and Flipped Around; the two fastest ninjas will face off on the Power Tower for a Safety Pass.

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The National Finals conclude in Las Vegas as the remaining ninjas compete in Stage 3 and 4 for their chance to win $1 million and become the next American Ninja Warrior.

Sean Bryan, Drew Drechsel, Joe Moravsky and Najee Richardson represent Team USA against top athletes from Asia, Europe and Latin America in a battle for worldwide ninja domination.

In the last night of the Las Vegas finals, competitors tackle obstacles that include Psycho Chain and Area 51.

The competition heads to Seattle/Tacoma for the first time, as Jessie Graff, Meagan Martin, Lance "Cowboy Ninja" Pekus, Sean Bryan and more competitors face up to six challenging obstacles, including the new Lunatic Ledges and Barrel Roll.

Athletes face the eight obstacles of Stage 1 in Las Vegas.

The qualifying rounds begin in L.A. with ninjas from across the country taking on the world's most challenging obstacle course. The competition returns bigger than ever with two unique qualifying courses and a chance at the Mega Warped Wall.

Competitors will face the Salmon Ladder, Hourglass Drop, Elevator Climb and new obstacle Spinball Wizard; veteran ninjas Kacy Catanzaro, Daniel Gil and Brent Steffensen return.

The top 30 competitors from the Cleveland city qualifier compete on one of the the world's most challenging obstacle courses.

The season's top competitors compete in the national finals in Las Vegas.

American Ninja Warrior Season 8 Finals

The top 30 competitors from Kansas City, Mo., vie for a chance to compete in the national finals.

Competitors, including Najee Richardson, Joe Moravsky, Allyssa Beird, Captain NBC Jamie Rahn, Chris Wilczewski, face up to six challenging obstacles that include Dangerous Curves and Hazard Cones, which are new to the course this year.

The finals continue in Las Vegas, Nevada, where the remaining finalists take on Stage 1. Those that finish move on to Stage 2.

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Kansas City, Missouri is the next stop for competitors to give it their all on the obstacle course. Competitors face 6 challenging obstacles in the city qualifier, including 3 new ones: Hang Glider, Broken Pipes, and Crank It Up. Ninja veterans Lance Pekus, Brandon Mears, and Dan Polizzi return, while Olympic decathlete Jeremy Taiwo takes on the course for the first time.

The Mile High City hosts the final qualifying round where competitors tackle 3 challenging new obstacles: Bouncing Spider, Rail Runner, and Ninjago Roll. Denver features the return of Ninja veterans Jake Murray, Sam Sann, Meagan Martin, and Brian Arnold.