Gregg reveals how the supermarkets bring us our summer favourites. He finds out why there is more than meets the eye in a supermarket strawberry, what it takes to bring us our barbeques, and how they stay one step ahead of the weather.

Gregg reveals how the supermarkets gear up for the biggest challenge of their year - Christmas. He sees what it takes to deliver millions of turkeys, finds out about the battle to make sprouts a crowd pleaser and discovers how the supermarkets make sure we have got enough of our favourite Christmas tipple.