Supermarket Secrets (2013)
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.
7.0
- First Air Date: 2013-04-07
- Last Air Date: 2019-04-24
- Total Seasons: 3
- Total Episodes: 10
- Episode Runtime: 40 min.
- Network:
BBC One