When does American Ninja Warrior return?

American Ninja Warrior is an American sports entertainment reality show based on the Japanese television reality show Sasuke. It features a set of obstacle courses in various cities, which contestants attempt to conquer. The contestant who finishes all the courses in the fastest time wins a cash prize of $1,000,000. The show is hosted by Matt Iseman (the show's moderator) and Akbar Gbaja-Biamila.