Advertisements This is an All Season Thread for any species of Ninja Warrior. American Ninja Warrior, Team Ninja Warrior, All Star Ninja Warrior or USA vs The World Ninja Warrior. Or any others they may come up with. Spoilers allowed up to any episode that has aired in the US (NBC or Esquire). American Ninja Warrior returns for its 7th season this Monday, May 25 2015, on NBC. 8E/7C each Monday.