Inside...

This documentary takes viewers beyond the lobby to discover the stories of the UK's first ever luxury hotel. This bastion of British hospitality has been welcoming guests for 130 years. No request is too big and no detail too small - we learn some of the tricks of their trade. We'll also uncover the keys to The Savoy's success both past and present, charting its renovation in the most expensive hotel 'facelift' in history. But can this most famous, and traditional, of hotels continue to thrive?

Revealing the story behind the luxury food emporium in Piccadilly, London, that has been at the centre of high society for three centuries, becoming synonymous with the finest of British produce. Throughout the documentary, former staff reveal secrets from the shop floor, and look back at some of the most famous faces to have visited the store over the years.

Exploring how the German supermarket has swept the UK.

Fiona Phillips fronts a brisk history of Sainsbury’s, premised on the idea that its position in the middle of the supermarket market – not as cheap as Lidl, not as big as Tesco, not as classy as Waitrose – puts it at risk of being squeezed to death.

Documentary examining how the chain and its flagship store in Knightsbridge came to epitomise the champagne lifestyle of the rich and famous in the 1990s, and how it survived the financial crisis of the late 2000s. Former colleagues reveal what it was like to be part of such a major moment in fashion history, while retail insiders explain how a company built on luxury and excess managed to weather the storm of the global financial crash.

With Christmas just around the corner, Channel 5’s Aldi At Christmas is a look at the history of the German retailer that arrived in the UK in 1990 and has gone from a grocery chain that once baffled its British customers to become one of the UK’s favourite supermarkets. It’s taken on the big brands with its cheeky Christmas ads and seen its mince pies, crackers and Christmas puddings often stand out in blind tests against those of Fortnum and Mason and Harrods.

Documentary exploring why the poshest of shops is the place to go at Christmas for the rich and famous. Former grotto staff share what the super-rich ask of Santa.

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.

On the search for a high-end restaurant-style chip to add to their existing range, Iceland's chip buyer heads to Belgium to see how to produce a premium chip cheaply. There's also a look at the company's out-of-town bulk-buying spin-off called Food Warehouse, and cameras reveal how the supermarket chain is keen to cash in on the popularity of sea bass.

All out war in the battle for the booming vegan market and a trip to Italy searching for best cheap ice-cream.

With festive ads and a plush dessert made of five gold rings, Iceland is getting in on the Christmas act in a big way.

An entertaining romp through the history of Coca-Cola. An account of how a brown medicine invented in 1886, containing cocaine, became the best-selling soft drink of all time.

A light-hearted look at how Waitrose established its position at the top of the supermarket tree. Industry insiders reveal the secrets behind Waitrose's success.