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 12 episode 7

Season 12, Episode 7: Finals 1

The competition moves into the Finals round with a two-night event to determine this season's champion. 28 top ninjas face up to ten diabolical obstacles including Falling Shelves and Dragonback, which are new to the course this year. The top ei...

Air Date: Oct 28, 2020

American Ninja Warrior season 12 episode 8

Season 12, Episode 8: Finals 2

The competition intensifies as the remaining ninjas take their shot at the 10-obstacle Finals course. The elite few who move forward into the top eight will then compete in a playoff bracket where they will race head-to-head on the Power Tower. The w...

Air Date: Nov 04, 2020

American Ninja Warrior Casts

Akbar Gbajabiamila

Akbar Gbajabiamila

Host

Matt Iseman

 Matt Iseman

Host