(Click CC for subtitles) Whether headlining films in Sweden, Italy, or Hollywood, Ingrid Bergman always pierced the screen with a singular soulfulness. Seven time Academy Award-nominee and three time Academy Award-winner Bergman was one of the most talented actresses of Hollywood's Golden Age with great performances in films such as Casablanca (1942), Gaslight (1944) and and Autumn Sonata (1978). In spring 2011, director Stig Björkman meets Ingrid Bergman's daughter Isabella Rossellini and she suggests him to 'make a film about Mama'. Through Isabella, Stig is able to tell Ingrid's story through her own words and images.
With never-before-seen private footage, notes, letters, diaries and interviews with her children, this documentary presents a personal portrait and captivating look behind the scenes of the remarkable life of a young Swedish girl who became one of the most celebrated actresses of American and World cinema.

Artists, academics, and critics discuss the historical origins, original reception, and slow climb to critical acclaim for Eugene Delacroix's painting commemorating the Revolution of 1830, 'Liberty Leading the People.'
A woman of the people with a phrygian cap personifying the concept of Liberty leads the people forward over a barricade and the bodies of the fallen, holding the flag of the French Revolution – the tricolour, which again became France's national flag after these events – in one hand and brandishing a bayonetted musket with the other. The figure of Liberty is also viewed as a symbol of France and the French Republic known as Marianne.

Fancisco Pizarro hoped to find great riches in the land of the Inca when he set off on his third voyage to the new world in 1527. Travel back in time with Michael Wood and learn how Pizarro ransomed the life of a king for a room full of gold and silver. Trough letter and drawings from the 16th century and film from modern-day south America, discover this remarkable story of greed, faith, dishonor and valor.

Having explained the science behind global warming, and addressed the arguments of the climate change sceptics earlier in the series, Dr Iain Stewart concludes the series by looking at the biggest challenge now facing climate scientists - Just how can they predict exactly what changes global warming will bring?
It's a journey that takes him from early attempts to model the climate system with dishpans, to supercomputers, and to the frontline of climate research today: Greenland. Most worryingly he discovers that scientists are becoming increasingly concerned that their models are actually underestimating the speed of changes already underway.