With Sainsbury's falling behind its supermarket rivals, Group Chief Executive Dino Adriano goes to work in one of his own stores to find out how the company can reclaim its number one spot.
Giles Feamley leaves his job as chief executive of Prism Rail to fill in as platform supervisor in Cambridge. He soon finds himself assailed by the problems of long queues, a lack of ticket machines, demanding staff and angry customers; ideal conditions for rail rage.
David Ford, who runs Gardner Merchant, Britain's biggest caterer, spends one week as a trainee catering manager in the Main Pavilion at Royal Ascot.
David Sullivan, property multi-millionaire and owner of the Sport newspapers, spends a week as a reporter at the group's Manchester office.
Floyd Ballantyne runs Europe's biggest children's holiday company, but how will he cope when he swaps his corporate headquarters for a job looking after the youngsters? Will 40-year-old Ballantyne acquit himself well in a job that is usually done by 18-year-old students?
In the face of tough competition from abroad, Wedgwood, one of British pottery's most famous names, has cut wages and mechanised much of the production line. Chief executive Brian Patterson returns to the factory floor in Stoke-on-Trent and gets a shock after he witnesses the working conditions.
David Batts , MD of the Radisson Edwardian chain of hotels and chairman of the London Tourist Board, works as everything from chambermaid to concierge at the Marlborough and Kenilworth hotels. During a hectic week, he has to deal with floods of complaints from visitors and even loses a German tourist's suitcase. What lessons will he take back to the boardroom?
Roger Cato, the Managing Director of Heathrow Airport, learns about life on the front line in customer service - where he has to cope with everything from irate passengers to a possible bomb.