Theo Randall and Aldo Zilli aim for culinary glory with their tagliatelle, spaghetti and rotolo delights. It's the battle of the bolognese, as Theo serves up ragu di manzo with spaghetti and Aldo pours his classic bolognese over tagliatelle. Can Theo's meatless mushroom ragatoni beat Aldo's carbonara? It's time to show off with Theo's rotolo di spinaci and Aldo's open lobster and crab raviloi - both real show stoppers.