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Qualifying rounds continue in Las Vegas on the world's most challenging obstacle course. The top 20 athletes of the night will advance to the semifinals.
Qualifiers continue in Las Vegas with a special "How to Train Your Dragon" episode. Dragons Toothless and Stormfly join the ninjas, and the film's star joins Matt and Akbar in the booth.
Qualifying rounds continue in Las Vegas on the world's most challenging obstacle course. The top 20 athletes of the night advance to the semifinals.
Kai Beckstrand, a 19-year-old competitor from St. George, Utah, was crowned the winner of NBC's "American Ninja Warrior" tonight, taking home the Season 17 title and the $250,000 prize.