Qualifying rounds begin in Las Vegas on the world's most challenging obstacle course. The competition returns bigger than ever by bringing back trailblazers, record-setters, and fan-favorite competitors from the last 16 seasons.
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, Mason Thames, joins Matt and Akbar in the booth.
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No overview available.
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No overview available.