Presenter Charles Hazlewood stages a 140-person flashmob clog dance and explores the history of this folk dance that originated in the collieries and pit villages of the north east of England in the 19th century.
Broadcaster and journalist Samira Ahmed goes on a remarkable journey to places rarely seen, as she travels through Iran, telling the story of a complex and fascinating people, culture and history.
From the Tower of London to Buckingham Palace, Dan Cruickshank tells the story of a thousand years of palace building, the mystery of why so many have vanished and the magic of the ones that survive.
Psychologist Steven Pinker believes we may be living in the most peaceful period in human existence. He explores the reasons why this might be and whether it could be prevented altogether.
Art historian Dr James Fox traces the momentous impact of the west's contact with the peoples and cultures of the Pacific. It is a story of exploration, encounter and exploitation.
From the Chhatrapati Shivaji Terminus in Mumbai, Dan Snow, Anita Rani and Robert Llewellyn explore the science behind the world's busiest railway. With John Sergeant reporting from across India.
Adam Nicolson looks at how and why whale populations were so drastically reduced in the 20th century, and attempts to see whaling through the eyes of the time.
Featuring groundbreaking new science, experiments and leading scientists from a variety of disciplines, the series unravels the natural history of the body's largest organ.