Tyler Florence makes the four remaining food truck teams throw javelins to determine their protein in a skewer challenge, and the winner gets to choose the team to pair up with for the day of selling in Fort Lauderdale, Fla. A Sonic Drive-In shake challenge puts everyone's sweet skills to the test, and a thrilling elimination twist has the power to change everything.

Tyler Florence meets the final two food trucks as they go head-to-head in sunny Key West, Fla. A spiny lobster, a key lime challenge and an unexpected visitor galvanize the teams to give it their all in the final push. In the end, one team closes the doors of their food truck and one walks away with the grand prize of $50,000.