Inside...

Documentary going behind the famous gold-and-green facade of the London retailer, revealing the store's origins and the secrets of its success. Viewed as a uniquely British institution for more than 150 years, items on sale range from precious gems and high-class toys to designer fashions - meaning it remains a popular choice for shoppers wanting to indulge at Christmas. Former grotto staff share their secrets about what the super-rich might ask of Santa, while former employees reveal what it is like looking after celebrities and royalty during the festive season.

The story of the supermarket giant that rose high by taking prices low, battling publishers, petrol companies and big pharma to bring discount goods to the masses. Fashion guru George Davies reveals how his revolutionary brand George came to change how people buy clothes, while former CEO Archie Norman reveals why the American giant Walmart was so important to Asda's success.

The secret world of Iceland's food development, sourcing, manufacturing and distribution, through exclusive access to the outlets and suppliers. In Thornton Cleveleys, just north of Blackpool, bargain-hunting customers are queuing overnight to be first in line to get some cheap food and the chance to win vouchers to spend at the opening of a brand new store.

Documentary exploring the secret of the supermarket chain's success. The programme examines the launch of a brand of organic food from Prince Charles' own duchy and reveals how the opening of a new Waitrose store has been known to boost house prices in the surrounding area. A taste test is performed to see how Waitrose's own brands compare to their rivals.