The semifinals conclude in Los Angeles, where the competing ninjas will face up to 10 challenging obstacles; the two fastest ninjas will face off on the Power Tower for a Safety Pass going into the national finals.
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.
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