Are you a Ninja Warrior fan? Think you have what it takes to run the course? Well, here's your chance! Calling all free-runners, martial artists, and parkour experts...G4's American Ninja Challenge is back. And this time, you're going to have to impress one of the hardest judges of talent on the planet, Ms. Olivia Munn. That's right, the Munnderful one is in charge of choosing the winner and determining who will be traveling to Japan to try and become the next Ninja Warrior. So, get your cameras rolling, and start prepping those videos, because, beginning Monday, February 2nd, we're going to be taking your submissions.

So, show Olivia that you have what it takes to be her travel companion to Tokyo, and become the pride of the world by becoming a Ninja Warrior!