When it comes to classic comfort food, no dish is more iconic than Meatloaf. Fourth generation restaurateurs Jack and Rocco Collucci have been honing their comfort food skills at their Collucci Brother's Diner in Hyannis, Massachusetts. They think the Food Network has tapped them and their renowned Meatloaf to be featured in a special on American Diners, and they're getting ready to celebrate by throwing their culinary mentor -- their father -- a big birthday bash. But the real surprise is that Bobby Flay's showing up to challenge them to a Meatloaf Throwdown! It's the hometown heroes versus the gourmet Goliath. Which Meatloaf recipe will really satisfy?