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...

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...

Alison Haislip & Blair Herter enjoy champagne while flying to Japan. American Ninja Warrior. December 12&19. Only on G4.

Alison Haislip & Blair Herter ride Japan's subway. American Ninja Warrior. December 12&19. Only on G4.

Alison Haislip & Blair Herter find themselves lost in the Japanese woods. American Ninja Warrior. December 12&19. Only on G4.

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

Olivia Munn outlines some surprises in Stage One of the new 'Ninja Warrior' course to the contestants in the American Ninja Warrior Challenge. Spoiler alert: They made it h...

At Camp Pendleton, Ninja Warrior veteran, Paul Terek talks about what it takes to be a true Ninja Warrior.