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 10 episode 14

Season 10, Episode 14: Las Vegas Finals Night 2

The other half of the field takes on the 1st of 4 stages. Ninjas include Meagan Martin, Lance Pekus, and Najee Richardson. Stage 1 consists of 8 obstacles that must be completed in under 2:25 minutes in order to advance to stage 2....

Air Date: Sep 03, 2018

American Ninja Warrior season 10 episode 15

Season 10, Episode 15: Las Vegas Season Finale

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 ...

Air Date: Sep 10, 2018

American Ninja Warrior Casts

Akbar Gbajabiamila

Akbar Gbajabiamila


Matt Iseman

 Matt Iseman