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American Ninja Warrior 2014 Kacy Catanzaro

First woman ever to win on American ninja warrior

AMERICAN NINJA WARRIOR 2016 WINNER | GORILLA EDITION

Usher Becomes an American Ninja Warrior

American Ninja Warrior - T. Rex on American Ninja Warrior (Digital Exclusive)

AMERICAN NINJA WARRIOR 2014 WINNER | GORILLA EDITION

Grant McCartney at the Los Angeles Finals - American Ninja Warrior 2016

Kid's American Ninja Warrior

Little Big Shots - Yoshi, the Three-Year-Old Ninja Warrior (Episode Highlight)

American Ninja Warrior - T. Rex on American Ninja Warrior (Digital Exclusive)

Iron Grip vs. Lab Rats | Team Ninja Warrior | American Ninja Warrior

'American Ninja Warrior' Crowns First Winner in 7 Season - See Him Beat the Course

The National Finals in Las Vegas Are Here! | American Ninja Warrior