Andrew heads to Birmingham, and meets the owner of Chubbfathers, who's committed to feeding hungry folks; Andrew also gets to know a couple that decided to take the money they had saved for a wedding and spend it on a food truck instead.

Andrew visits Memphis, where he finds Mexican street tacos with a Tennessee twist at El Mero; the owners married the food they grew up with and created offerings like Southern fried chicken tacos and braised brisket quesadillas.

Andrew attends a food truck rally in Huntington Beach, Calif.; he meets buddies who traded in corporate jobs to open their Chinese-inspired food truck, Mad Dumplings; their menu includes dumplings stuffed with fried chicken and longanisa sausage.

Andrew hits the streets of Minneapolis to explore the booming food truck scene; he checks out The Cave Cafe truck for East African-Italian fusion cuisine; he heads to Chicks on Wheels to experience one of the more eclectic food truck menus in town.

Andrew visits The Gateway, Salt Lake City's premiere outdoor shopping center; he meets the owners of The Salty Pineapple, a colorful Hawaiian lunch plate truck that serves up Kalua Pig, Garlic Chicken and a hand-mashed fruit drink called O'tai.