Jimmy creates his own kids' party menu. When it comes to making fish fingers, a power saw is Jimmy's choice as he works out how the food factories try to make frozen fish taste as good as fresh. Jimmy also makes pink, fluffy marshmallows. But there's nothing very pink or fluffy about the ingredients which include pig skin and trotters. He also visits a factory where they produce fifteen thousand mini rolls an hour to discover how they roll them all without cracks. Jimmy meets a raspberry grower who wants to reduce the amount of pesticide he uses to protect his delicate crop from bugs. So what's a huge hair dryer got to do with it?