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 competitors attempt to conquer. The competitor 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. The series premiered on December 12, 2009, on cable channel G4.