American Ninja Challenge_
American Ninja Challenge was a nationwide competition sponsored by G4 TV to send a number of American citizens to Japan to compete in the hit TV show Ninja Warrior. American Ninja Challenge has been held since Sasuke 19 and currently merged into the TV series American Ninja Warrior that premiered on December 12, 2009.
Updated Feb 16, 2026
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Ended
FREQUENTLY ASKED QUESTIONS
What is American Ninja Challenge about?
American Ninja Challenge was a nationwide competition sponsored by G4 TV to send a number of American citizens to Japan to compete in the hit TV show Ninja Warrior. American Ninja Challenge has been held since Sasuke 19 and currently merged into the TV series American Ninja Warrior that premiered on December 12, 2009.
Is American Ninja Challenge still running?
American Ninja Challenge has ended.
GENRES (1)
Documentary