Plot: Hosted by Matt Iseman and Akbar Gbajabiamila, along with sideline reporter Zuri Hall, the action-packed series follows competitors as they tackle a series of challenging obstacle courses in city qualifying and city finals rounds across the country. This year, "American Ninja Warrior" makes stops in Los Angeles, Atlanta, Oklahoma City, Baltimore, Cincinnati and Seattle/Tacoma, shooting indoors for the first time at the famed Tacoma Dome