Japan's ultimate test of speed and strength is finally coming to America! The country's toughest will compete and 10 survivors will head to Mt. Midoriyama in Japan to compe...

Japan's ultimate test of speed and strength is finally coming to America! The country's toughest will compete and 10 survivors will head to Mt. Midoriyama in Japan to compe...

Japan's ultimate test of speed and strength is finally coming to America! The country's toughest will compete and 10 survivors will head to Mt. Midoriyama in Japan to compe...

Olivia Munn recounts her experience with Kevin Pereira at Sasuke 21 in Tokyo, the first time they ran the 'Ninja Warrior' course.

Japan's ultimate test of speed and strength is finally coming to America! The country's toughest will compete and 10 survivors will head to Mt. Midoriyama in Japan to compe...

A look at the five men who appear season after seaon on 'Ninja Warrior,' and who are, without question, its All-Stars.

We take a look at the most universally difficult obstacles on the Ninja Warrior course, such as the log grip and the jumping spider.

American Ninja Challenge 2 contestant Ruselis Perry walks us through the obstacle course.

Here's a look at one of the American Ninja competitors, a stuntwoman and free runner named Luci Romberg.

Free-running San Francisco madman Brian Orosco nearly finished the first stage last time around and has adjusted his training to include more arm and grip strength.