Overview: Test cook Becky Hays makes host Julia Collin Davison the fastest-ever Farmhouse Chicken Noodle Soup in the pressure cooker. Then, tasting expert Jack Bishop challenges host Bridget Lancaster to a tasting of Gruyere. Next, science expert Dan Souza reveals the science behind pressure cookers. Finally, test cook Elle Simone makes Bridget the perfect Pressure-Cooker Pot Roast.