There are sure to be fireworks as Antonia Lofaso challenges the chefs to create delicious summer eats that revolve around America's biggest summer holiday, the 4th of July. For the first battle, chef-mentors Tiffani Faison and Brooke Williamson lead their teams to create the ultimate burger. Then, the chefs with the least successful burgers have to battle for survival by making a grilled family feast for judge Jeremy McBryde.