With spring in the air, Gregg finds out what it takes to bring us millions of eggs for Pancake Day, discovers the clever technology behind Easter chocolate and reveals what our eyes tell us about the way we shop.

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.

Gregg Wallace reveals how the supermarkets get us in the mood for autumn. He finds out what it takes to bring us millions of Halloween pumpkins, learns how own-label pies are made and is let into the hidden world of online supermarkets.

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.