American Ninja Warriors take over the TODAY plaza

03:08

Season 8 of NBC’s hit series “American Ninja Warrior” is in full swing. Competitors on the show are put through the ringer on a killer obstacle course, each hoping to be the last one standing and win $1 million. Watch "American Ninja Warrior'" Monday nights at 8 p.m. on NBC followed by an encore presentation on Esquire Network on Tuesday nights at 8 p.m.