Watch American Ninja Warrior

Iconic obstacles get supersized as the best competitors face off in the high-octane Skills Competition, featuring the Big Dipper, Fearsome Ferris Wheel and Striding Steps.

For the first time in four years a winner will be crowned on the finale of "American Ninja Warrior." A select group of competitors move forward in the competition to face stage three which features seven daunting obstacles; three new to the course this year - "Battering Ram," "Curved Iron Maiden" and "Dynamic Pole Grasp." The elite few who conquer stage three move on to stage four, a final climb up Mt. Midoriyama, which they must complete in thirty seconds or less. Finalists vie for a $1 million prize and the title of "American Ninja Warrior." Matt Iseman and Akbar Gbajabiamila host and Zuri Hall reports from the sidelines.

The remaining 28 competitors take on stage 2 at the national finals where 6 obstacles await, including the new “Giant Walk the Plank,” “Snap Back,” and “Grim Sweeper.”

National Finals continue with night two from Las Vegas, where this season's top competitors tackle the world's toughest obstacle course. Stage one features eight obstacles, including "Roulette Row" and "Diving Boards" which are brand new to the course, that must be completed in under 2:30 minutes to advance to stage two. Finalists vie for a $1 million prize and the title of "American Ninja Warrior."

"American Ninja Warrior" returns to Las Vegas for night one of the National Finals - a four-week TV event where the season's top competitors attempt to conquer all four stages of the world's toughest obstacle course. Stage one will feature eight grueling obstacles, including "Roulette Row" and "Diving Boards" which are new to the course, and must be completed in less than 2:30 in order to advance to stage two. Finalists vie for a $1 million prize and the title of "American Ninja Warrior."

"American Ninja Warrior" returns to Cincinnati for the City Finals round of the competition. Competitors will face up to ten challenging obstacles including Slam Dunk, which is new to the course this year.

"American Ninja Warrior" returns to Baltimore for the City Finals round of the competition. Competitors will face up to ten challenging obstacles including Angry Birds, which is new to the course this year.

"American Ninja Warrior" heads back to the Pacific North West for the City Finals round of the competition at the Tacoma Dome. Competitors will face up to ten challenging obstacles including Northwest Passage, which is new to the course this year.

"American Ninja Warrior" returns to Oklahoma City for the City Finals round of the competition. Competitors will face up to ten challenging obstacles including Snap Back, which is new to the course this year. Matt Iseman and Akbar Gbajabiamila host and Zuri Hall reports from the sidelines.

"American Ninja Warrior" returns to Atlanta for the City Finals round of the competition. Competitors will face up to ten challenging obstacles including Up For Grabs, which is new to the course this year.

The Los Angeles City Finals features up to 10 obstacles, including the Leaps of Faith. The two fastest finishers take on the Power Tower for a chance to win a safety pass.

American Ninja Warrior" heads to Cincinnati for the final City Qualifying Round. Competitors will face up to six challenging obstacles including Sling Shot which is new to the course this year.

American Ninja Warrior heads to Baltimore for the City Qualifying Round. Competitors will face up to six challenging obstacles including Dangerous Curves and Hazard Cones, which are new to the course this year. Matt Iseman and Akbar Gbajabiamila host and Zuri Hall joins the show as sideline reporter.

"American Ninja Warrior" brings the competition indoors for the first time ever in Seattle's Tacoma Dome for the City Qualifying Round. Competitors will face up to six challenging obstacles including Lunatic Ledges and Barrel Roll, which are new to the course this year.

American Ninja Warrior heads to Oklahoma City for the City Qualifying Round. Competitors will face up to six challenging obstacles including Diving Boards and Coconut Climb, which are new to the course this year.

The season begins with the Los Angeles Qualifying Round. Ninjas take on 6 challenging obstacles, including 2 new ones: “Walk the Plank” and “Spring Forward.” In a new twist to the city qualifying rounds, the 2 fastest finishers take on the new Power Tower for a chance to advance straight to the National Finals in Las Vegas.