American Ninja Warrior" returns to Philadelphia, Pennsylvania where the top 30 competitors from the City Qualifier tackle an even more challenging course that includes ten obstacles in the City Finals. For the first time in "American Ninja Warrior" history, four women will compete in the Philadelphia Finals. Top female ninjas Michelle Warnky, Rachael Goldstein, Jesse La Breck and Alyssa Beird will take on the course, along with fan-favorites Geoff Britten, Joe Moravsky, Jamie Rahn and Ryan Stratis. In addition to the six already difficult obstacles from the Philadelphia Qualifier, contestants will face the Salmon Ladder, Flying Shelf Grab, Pipe Pyramid and Invisible Ladder. The competitors will vie for a chance to compete in the Las Vegas Finals, to win a cash prize of $1 million and the title of "American Ninja Warrior."