Restaurant: Impossible: Season 8, Episode 4

8 - 4: Pizza: Impossible

The food at Mama Della's N.Y. City Pizzeria in Baton Rouge, La., is great, but stubborn owner Barry is the biggest obstacle to his restaurant's success. Chef Robert Irvine has a tough two days of fighting ahead of him to get Barry to change the "my way or the highway" attitude that's scaring away customers.