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Supermarket Secrets

Series 1

Episode 1: Summer's Supermarket Secrets

Duration: 1 hour

on BBC One Wales HD

Gregg Wallace goes behind the scenes with Britain's biggest food retailers. He reveals how the supermarkets bring us our summer favourites, and how they stay ahead of the weather. Show more

BBC One Wales HD

About BBC One

BBC One is a TV channel that started broadcasting on the 20th April 1964. It replaced BBC Television.