DESCRIPTION: (from NBC's press release, March 2015) The action-packed series follows competitors as they tackle a series of challenging obstacle courses in both qualifying and finals rounds across the country. Those that successfully complete a course in their designated region move on to the national finals round in Las Vegas, where they face a stunning four-stage course modeled after the famed Mt. Midoriyama in Japan. Matt Iseman serves as host, along with former NFL player Akbar Gbaja Biamila (NFL Network). "American Ninja Warrior" delivered a 2.0 rating, 6 share in adults 18-49 and 5.9 million viewers overall last summer and was up versus the prior summer by +11% in 18-49 rating (2.0 vs. 1.8) and up +7% in total viewers (5.9 million vs. 5.6 million). The Sept. 9, 2014 season finale improved versus the year-earlier finale by +20% in adults 18-49 (1.8 vs. 1.5) and +31% in total viewers (5.3 million vs. 4.0 million).