Mary Portas: Secret Shopper (2011)

Mary Portas works with well-known brands and high-street chains to give shoppers the service they deserve. Mary convinces major brands to bare all and hand over the reins - but will they take on her advice?

• First Air Date: 2011-01-19
• Last Air Date: 2016-01-27
• Total Seasons: 3
• Total Episodes: 12
• Episode Runtime: 47 min.
• Network: Channel 4