Supershoppers: Season 4, Episode 4

4 - 4: Episode 4

Anna and Sabrina visit one of Britain's biggest supermarkets and find identical products under the same roof with very different prices. And popcorn is the fastest growing grocery product in Britain, but how healthy is it? Plus the car hire company inflicting serious damage on customer wallets. And a party season special: can you really make high-heeled shoes comfortable?