Things are getting hot in Palm Springs, Calif., where the food truck teams have to conquer the extreme heat as well as their fears to tackle an unprecedented aerial challenge from Tyler Florence. A mystery ingredient enhances all the teams' dishes, and the locals show the trucks big love. After two days of selling, however, one food truck will have to shut its doors forever.

In Santa Barbara, Calif., Tyler Florence puts the final three food truck teams to the test on a sprawling avocado farm, where they race to pick and pit 50 avocados. Team morale is tested when they're challenged to one-up each other's avocado dishes, and one team's family makes a surprise visit. The final two teams are revealed.