Season 4

01 I Left My Food Cart in San Francisco Episode 118th August 2013 Season 4 begins in Beverly Hills, where the eight competing teams are instructed to prepare a signature dish that must be sold for at least $20. Later, they are given a second challenge to complete in San Francisco. 02 A Strange Brew in Portland Episode 225th August 2013 The seven remaining teams are unable to restock their supplies when they arrive in Portland, Ore.; and later, they are told geoduck must be their main ingredient in all menu items. 03 Pocatello Is All About Potatoes, You Dig? Episode 31st September 2013 The six remaining teams travel to the mountains of Pocatello, Idaho, where they are told to remove all starches from their menus. Their next challenge finds them digging up spuds at a local farm and using what they collect as the main ingredient in their recipes. 04 About Face in South Dakota Episode 48th September 2013 The five remaining teams meet Tyler at Mount Rushmore, where they are given money to shop for supplies in Rapid City, S.D., but without use of their cars. The next day, a side of bison must be butchered and then incorporated fully into their menus. 05 Double Trouble in the Twin Cities Episode 515th September 2013 The four remaining teams enter the Twin Cities of Minneapolis and St. Paul. Challenges include serving food on a stick and cooking with Spam. 06 A Food Truck Kind of Town, Chicago Is Episode 622nd September 2013 Chicago mayor Rahm Emanuel judges a pizza challenge. Later, the teams must incorporate hot dogs in all of their menu items. 07 Capital Gains Episode 729th September 2013 In the fourth-season finale, the last leg of the race sends the remaining teams all over the East Coast, beginning with a stop in Annapolis, Md., followed by a crab challenge—and a surprise elimination—at a Chesapeake Bay wharf. Afterward, grub is sold in the suburbs of Virginia; and the winner is declared in Washington, D.C.