Programme Unavailable

This programme is not currently available on 4oD. Programmes that are available to watch can be found in Browse All or A-Z.

For information about why some programmes are not available on 4oD, please visit our FAQs.

Shop Secrets: Tricks of the Trade on Channel4.com

See more about Shop Secrets: Tricks of the Trade

Harry Wallop puts hidden cameras inside shops, restaurants and market stalls, to reveal the tricks and scams used to make us spend our money