Top competitors from "American Ninja Warrior" will go head to head with ninjas and skilled athletes from around the globe in the two-hour special, "USA Vs. The World," which features three teams each with five ninjas: including Team USA, Team Europe and for the first time, Team Australia. The teams will compete across all four epic stages of the show's national finals course - 23 obstacles in all.

It's the last night of the "American Ninja Warrior" National Finals, where the season's best Ninjas tackle the toughest obstacle course in the world. Competitors who conquered stage one move on to stage two, in hopes of advancing to stages three and four.

The National Finals in Las Vegas continue as ninja superstars, including Drew Drechsel, Barclay Stockett, Najee Richardson, Nicholas Coolridge, Jake Murray, Ryan Stratis, Meagan Martin and more, tackle Stage 1.

The top ninjas in the country face a daunting series of obstacles, including the Propeller Bar and Jumping Spider, as they tackle Stage 1 of the National Finals in Las Vegas.

Meagan Martin, Joe Moravsky, Jake Murray, Lance Pekus and more take on the finals course in Minneapolis for a chance to qualify for Vegas.

The top 30 competitors from the qualifying round face the new obstacle called Captain's Wheel.

New obstacles include the Wheel Flip and the Spin Hopper; Season 7 champion Isaac Caldiero returns.

The Miami City Finals feature the top 30 competitors from the qualifying round facing such obstacles as the "Crazy Clocks."

Daniel Gil, Barclay Stockett, Brent Steffensen, Abel Gonzalez and Kid Owhadi run in the Dallas City Finals for a chance to qualify for Vegas.

Sean Bryan, Flip Rodriguez, Tiana Webberley, Grant McCartney, Kevin Bull and more return for the Los Angeles City Finals and a chance to qualify for Vegas.

A qualifying round in Minneapolis. Competitors take on six obstacles, including "Double Twister" and "Diamond Dash." Nina veterans making their return include: Meagan Martin, Joe Moravsky, Lance Pekus, Maggi Thorne and Sarah Schoback.

"American Ninja Warrior" travels to Philadelphia where it takes over the Richmond Power Plant for the next City Qualifying round. Competitors will face six obstacles including two brand new challenges - "Spinning Bow Ties" and "Lightning Bolts." Ninja veterans Najee Richardson, Michelle Warnky, Allyssa Beird and Chris Wilczewski return to the competition and compete alongside former Philadelphia Eagles wide receiver Jason Avant.

Season 7 champion Isaac Caldiero returns to the competition and joins Jesse Labreck, Travis Rosen, Scott Dixon, Kendall Coyne and more as they run to qualify in Indianapolis.

Drew Drechsel, Jessie Graff, Ryan Stratis, Jessica Clayton, Gabe Stewart and more take on the Razor's Edge, Ring Turn and other daunting obstacles as they run to qualify in Miami.

Flip Rodriguez, Grant McCartney, Zhanique Lovett, Tiana Webberley, Kevin Bull and more run to qualify in Los Angeles on a ferocious Jurassic World-themed course.

The new season kicks off with some big changes, including a lower age limit and an 18-foot Mega Warped Wall, as veterans Daniel Gil, Barclay Stockett, Brent Steffensen, Jon Stewart and more join newcomers to take on the qualifying course in Dallas.

Akbar Gbajabiamila takes on the Ninja Warrior course for the first time along with Derek Hough, NE-YO, Nikki Bella, Colton Dunn, Scott Evans, Gregg Sulkin and Olympic gold medalist Nastia Liukin in support of Red Nose Day.

The best ninjas compete to see who is the best on the different obstacles that appear on on the American Ninja Warrior course.

Only two weeks following the conclusion of the Winter Olympics, this special will once again bring athletes from around the globe together for intense competition. Four teams from North America, Europe, Latin America and Asia will battle on the tough, four-stage national finals course featured in "American Ninja Warrior."

Team USA features impressive veteran ninjas Drew Drechsel and "The Weatherman" Joe Moravsky. A speedy competitor, Drechsel has qualified for the finals in Las Vegas five times and made it to Stage 3 two times. Five-time competitor Moravsky has made it to Stage 3 on the Las Vegas finals course three times, more than any other athlete in the competition. Also joining Team USA this year are former nationally ranked gymnast and head coach/trainer Najee "The Phoenix" Richardson and Sean Bryan, the "Papal Ninja." Bryan is also a former competitive gymnast and NCAA athlete who enjoyed a breakout season on "American Ninja Warrior" this past summer.

Contestants will tackle "American Ninja Warrior's" punishing Las Vegas finals course in a head-to-head format that pits members from each team against one another.