The fourth qualifying round, in Oklahoma City, Oklahoma, features multiple fan-favorites. The obstacles include the Floating Steps, Ring Swing, Log Runner, Tire Swing, Bar Hop, and Warped Wall. Veteran ninjas include worship leader Daniel Gil, gym owners Brent Steffensen and Kacy Catanzaro, and rancher Lance Pekus, while FedEx driver Kyle Mendoza and engineer Nate Burkhalter take on the course for the first time. (thetvdb.com)