The four remaining food trucks travel to Glamis, Calif., where they race down sand dunes to win their choice of protein. An innovation challenge from Tyler Florence puts everyone's creativity to the test, but the teams struggle to beat the heat while facing their biggest crowds yet.

The final two teams go head-to-head at a San Diego brewery where they must sell a dish based on the other team's signature menu item. After tasting a flight of craft beer, the teams create new specials to sell as a paring to brewery patrons. Next, Tyler Florence and Chef Ruffo Ibarra challenge the trucks to cook with the hottest chilies in the world. Both teams pull out all the stops, but only one team is awarded the $50,000 and crowned winner of the hottest season ever!