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 9 episode 1

Season 9, Episode 1: Los Angeles Qualifiers

The heart-racing obstacle course competition series "American Ninja Warrior" premieres its ninth season this summer. The action-packed series follows competitors as they tackle the world's most difficult obstacle courses in qualifying ...

Air Date: Jun 12, 2017

American Ninja Warrior season 9 episode 2

Season 9, Episode 2: San Antonio Qualifiers

Summary for this episode is not yet available....

Air Date: Jun 19, 2017


American Ninja Warrior Casts

Akbar Gbajabiamila

Akbar Gbajabiamila


Matt Iseman

 Matt Iseman