BBC Four is currently off air and will return at 19:00
2015-2016: 15. The Toughest Horse Race in the World: Palio
The race which turns Siena into a battleground of strategy, intrigue and machismo.
First shown: 7 Feb 2016
2008-2009: 10. Can We Make a Star on Earth?
Professor Brian Cox journeys in search of the energy source of the future, nuclear fusion.
First shown: 17 Feb 2009
Professor Iain Stewart explores the story of our turbulent relationship with the wind.
First shown: 2 Feb 2010
2005-06 Shorts: 11. Red Stag Rut
Documentary about the annual autumn red deer rut in the New Forest.
First shown: 14 Dec 2005