Plot: Seven incredible food truck teams assemble at Fisherman's Wharf in the food capital of the United States, San Francisco, to do battle as Great Food Truck Race All-Stars. Host Tyler Florence challenges the food trucks -- Aloha Plate, The Middle Feast, Seoul Sausage, The Lime Truck, Waffle Love, NOLA Creations and Mystikka Masala -- to complete a special bread bowl challenge to uncover the keys to their trucks