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.

Related Content: watch American Ninja Warrior series on Telepisodes

Premiere Date: Dec/12/2009

Genre: Action, Family, Fitness, Talent

Most Recent Episodes

American Ninja Warrior season 13 episode 5

Season 13, Episode 5: Qualifiers 5

The Qualifiers come to a close at the Tacoma Dome with a new generation of ninjas taking on the course. For the first time, competitors as young as 15 compete where they will face up to six challenging obstacles, including new obstacle Tilt A Whirl i...

Air Date: Jul 05, 2021

American Ninja Warrior season 13 episode 6

Season 13, Episode 6: Semifinals 1

The Semifinals begin in Los Angeles where the competing ninjas will face up to 10 challenging obstacles, including new obstacles Wall-to-Wall and the Inverter. For Split Decision, ninjas must choose between an upper body and balance obstacle. The top...

Air Date: Jul 19, 2021

American Ninja Warrior Casts

Akbar Gbajabiamila

Akbar Gbajabiamila


Matt Iseman

 Matt Iseman