The 1980s Supermarket S01E01 - Episode 1

A nostalgic trip back to the 1980s, where it was dog eat dog for Britain's supermarkets, with big brands devouring smaller chains. Dr Chris Clarke discovers the secret of how potato waffles keep their shape. A Marks and Spencer product developer reveals how in 1980, she started selling off un-eaten ready-made sandwiches from an in-store café to shoppers in the aisles.