The sixth season premieres in Venice Beach, California with a challenging qualifying course, featuring the Quintuple Steps, Spinning Wheel, Slack Ladder, Jumping Bars, Monkey Peg, and Warped Wall. Veteran Ninjas include the "Godfather" David Campbell, lifeguard James McGrath, Alan Connealy, and Dustin Rocho, while stock investor Kevin Bull and U.S. Olympic luger Kate Hansen take on the course for the first time. (thetvdb.com)