G4 Orders 'American Ninja Warrior' Spinoff


G4 has ordered a spinoff of its cult favorite Japanese import Ninja Warrior.

The series, American Ninja Warrior, will chronicle the search to find 10 American competitors to send to Japan and tackle the original series' obstacle course. The challenger who completes all four stages the fastest will be crowned the American Ninja Warrior.

G4 has tapped veteran reality producer Craig Piligian (American Chopper,The Ultimate Fighter) to helm the series, which will premiere in fall 2009.