Watch American Ninja Warrior Online

G4 presents the biggest and most daring Ninja Warrior event in the network's history with the new series American Ninja Warrior. The series will hold open tryouts to find the top 10 American competitors from across the country and send them to Japan to tackle Sasuke, the world's most difficult and diabolical obstacle course. The American competitor who completes all four stages of Sasuke in the fastest time will be named the ultimate American Ninja Warrior.

Premiere Date: Dec/12/2009

Genre: Action, Family, Fitness, Talent

Most Recent Episodes

American Ninja Warrior season 8 episode 12

Season 8, Episode 12: National Finals Week 2

The "American Ninja Warrior" National Finals continues from Las Vegas, Nevada where the top competitors from the City Finals tackle the four-stage course. The remaining competitors will take on Stage One with four new obstacles Snake Run, G...

Air Date: Sep 05, 2016

American Ninja Warrior season 8 episode 13

Season 8, Episode 13: National Finals Week 3

It's the final night of the "American Ninja Warrior" National Finals, where top competitors from the City Finals tackle the last three stages of 'Mount Midoriyama.' Competitors who survive Stage One will take on Stage Two, an...

Air Date: Sep 12, 2016

American Ninja Warrior Casts

Akbar Gbajabiamila

Akbar Gbajabiamila

Host

Matt Iseman

 Matt Iseman

Host