Gregg Wallace goes behind the scenes with Britain's biggest food retailers - across a year - to discover how they source, make and move the food we find on the supermarket shelves.
Series Premiere: July 04, 2013 Classification: Documentary Genre: Action | Documentary Network: BBC One Airs: Wednesday at 08:00 pm Runtime: 60 Minutes
SUPERMARKET SECRETS - Season 1 -- 4 Episodes
1x1 -- Jul 04, 2013 -- Summer 1x2 -- Oct 30, 2013 -- Autumn 1x3 -- Dec 12, 2013 -- Christmas 1x4 -- Apr 03, 2014 -- Spring
SUPERMARKET SECRETS - Season 2 -- 3 Episodes
2x1 -- Jun 19, 2017 -- War 2x2 -- Jun 26, 2017 -- Health 2x3 -- Jul 10, 2017 -- Convenience
