MythBusters S10 E02 Fire vs. Ice

"Failure is always an option."

Adam and Jamie tackle an internet sensation about an epic duel between a flamethrower and a CO2 fire extinguisher, while Kari, Tory and Grant get high-tech find out if a dust cloud created by a foursome of 4x4s can really blind the all-seeing eye of the latest military spy drone.