Replay TV Subway: How Do they Really Do It?

We go inside the restaurant chain Subway to reveal how a US sandwich shop became the most ubiquitous fast food brand on the high street — with more outlets across the UK than McDonalds. Discovering the methods Subway uses to create its iconic sandwiches, from speciality bread to full-flavoured sauces, and the business model which has led it to dominate the market. Experts and insiders uncover the secrets of this fast food phenomenon.