Drew Drechsel, Jessie Graff, Ryan Stratis, Jessica Clayton, Gabe Stewart and more take on the Razor's Edge, Ring Turn and other daunting obstacles as they run to qualify in Miami.

"American Ninja Warrior" travels to Philadelphia where it takes over the Richmond Power Plant for the next City Qualifying round. Competitors will face six obstacles including two brand new challenges - "Spinning Bow Ties" and "Lightning Bolts." Ninja veterans Najee Richardson, Michelle Warnky, Allyssa Beird and Chris Wilczewski return to the competition and compete alongside former Philadelphia Eagles wide receiver Jason Avant.