Documentary that looks back to the furore caused by Princess Margaret's affair with Peter Townsend, a divorced commoner. Billed as a constitutional crisis, Margaret's dilemma was the first modern royal scandal which would shape the future of royal relations with the media. In 1955 she chose to sacrifice love for duty by ending the affair, but new evidence presented here suggests that hers was a needless sacrifice.

Power, money and influence - the monarchy is at the heart of our national life. David Dimbleby takes a personal look at its role and its future in a changing world.

With access to political players and royal insiders, broadcaster David Dimbleby asks: how much power does the monarch really have – and is it more than we tend to think?

Over the reign of Queen Elizabeth II, the Windsors amassed extraordinary private wealth without us noticing. How did they do it? David Dimbleby shines a light on the secrets of royal money.

In an episode featuring shocking scandals and startling interviews, David Dimbleby asks how far the royals will go to maintain public support – and can they succeed?