American Ninja Warrior 'American Ninja Warrior' and 'Running Wild with Bear Grylls' premiere dates announced by NBC 03/14/2018 American Ninja Warrior and Running Wild with Bear Grylls will debut all-new seasons on NBC this summer. Read More RELATED NEWS 'Celebrity Ninja Warrior for Red Nose Day' starring Derek Hough, Ne-Yo, Nikki Bella and more to air in May'American Ninja Warrior' and 'Running Wild with Bear Grylls' premiere dates announced by NBC'American Ninja Warrior' to air first-ever celebrity special, including Derek Hough, Stephen Amell, Erika Christensen, Mena Suvari TAGS: America's Got Talent Dancing with the Stars World of Dance Running Wild with Bear Grylls Bear Grylls Derek Hough Keri Russell Don Cheadle Scott Eastwood Lena Headey Joseph Gordon-Levitt Uzo Aduba Matt Iseman
