Owen and the members of the 126 race into action when a massive dust storm engulfs Austin. Season finale
Quest roles:
Billy Burke(Billy Tyson), Kyle Secor(Alden Radford), Brianna Baker(Nancy Gillian), Seana Kofoed(Margaret Gilbert), Jack Conley(Tatum), Grant Harvey(Hank), Shaan Sharma(Julian), Mark L. Taylor(Injured Man), Aviva Brandes(Bridget), Garon Grigsby(Thomas), Joel Heyman(Joel), Jay Jackson(Newscaster), Bo Kane(Andrews), Kyrie McAlpin(April), Bryan Rasmussen(Flight Instructor), Dylan Rourke(Judy), Bahni Turpin(Judy), Troy Vincent(Hammond), Sasha Wexler(Waitress), Shondalia White(Susan), Megan Littler(Cashier), Nina ConcepciĆ³n(Bree), Lexi Crouch(Isabella Vega), Xandi Crouch(Evie Vega), Paul Tan Keo(Graham)