Dispatches
Supermarket Wars
TV-PG
S28 • E21 Jul 28, 2014The era of domination by the big 4 - Tesco, Sainsbury's, Morrisons and Asda - is waning. Profits are slumping and online shopping is transforming the market. While the big 4 struggle, discounters like Aldi and Lidl are booming.