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Len Goodman and Lucy Worsley uncover the British love affair with dancing, exploring the nation's favourite dances from the 17th to the 20th centuries.
A look at how dancing went from being frowned upon as dangerous and debauched in the 17th century to being celebrated as an essential social skill in the 18th.
How Britain's dance floors were revolutionised in the 19th century as the slow, stately dances of an earlier era were replaced with faster, freer ones.
Len Goodman and Lucy Worsley show how the first few decades of the 20th century saw the most rapid and revolutionary change in the history of British dance.
