Jimmy finds out whether we should be eating cod or not and asks if there's enough in the sea to go round. He visits Iceland to discover why they supply most of the cod in our supermarkets, instead of British cod. Is Iceland's cod better?
Kate investigates why, unlike other popular fruits, most British supermarkets only stock one variety of banana. She heads to Malaysia to learn about a disease that could mean the end of one of our favourite fruits.
Plus, Matt examines the methods used to make popcorn and discovers why eating bucketloads of popcorn might not satisfy your appetite, encouraging you to eat more than you should.
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