On the menu for the spiciest food in New Orleans: hot-sausage po'boys; Cajun-style crawfish; spicy jambalaya; and Creole gumbo laced with voodoo sauce.
The chefs head to Chicago for a taste of the Windy City's spiciest foods. Stops include "Hot Doug's" for pork-sausage sandwiches with jalapeños and habanero peppers; the Cajun eatery, "Heaven on Seven"; and "Bricks Pizza".
In Seattle, the hosts attempt the Wing Dome's "7-Alarm Challenge", which requires them to eat seven of their spiciest wings in seven minutes with no water, dipping sauce or napkins. They also visit "Araya's Place", a Thai restaurant.
Aaron and Roger head to Philadelphia to taste a spicy cheesesteak, known as "The Heater". They also sample hot Sicilian dishes in the city's famous Italian Market before challenging each other to finish a rack of infamous ribs.
