The trucks roll into the Old West town of Yuma, Ariz., and head to the historic Yuma Territorial Prison, which used to house prisoners from all over the Wild West. Tyler Florence gives the teams a relay challenge involving artichokes and bacon, and t... (more)hen they must add an original dish starring those ingredients to their menu and start selling. The residents of Yuma show up in full force, with lines 20 people deep waiting to try the trucks' specialties. After a day of massive sales, one team is eliminated, and the final three trucks head to the next destination.