American Ninja Warrior

Qualifying rounds begin in Las Vegas on the world's most challenging obstacle course.

Qualifiers continue in Las Vegas with a special "How to Train Your Dragon" episode.

Qualifying rounds continue in Las Vegas; the top 20 athletes of the night will advance.

Qualifying rounds continue in Las Vegas; the top 20 athletes of the night advance.

Qualifying rounds continue in Las Vegas; the top 20 athletes of the night advance.

Qualifying rounds conclude in Las Vegas; the top 20 athletes of the night advance.

The semifinals begin in Las Vegas with a longer course featuring 10 iconic obstacles from the past.

The semifinals continue in Las Vegas with a course featuring 10 iconic obstacles from the past.

The semifinals conclude in Las Vegas as ninjas take on a course featuring 10 iconic past obstacles.

The finals begin in Las Vegas as the remaining ninjas go head-to-head in side-by-side races.

The finals continue in Las Vegas as the remaining ninjas go head-to-head in side-by-side races.

The finals continue in Las Vegas with side-by-side races and a new bracket-style tournament.

The finals conclude in Las Vegas; a new bracket-style tournament crowns the next champion.

Sixteen elite female ninjas compete with head-to-head races deciding this year's women's champion.