BBC Four HD Today

An exploration of the reality of pregnancy, birth and parenthood for the elephant seal, the Californian mouse, the amaurobious spider and the seahorse. David Attenborough narrates

A look at Patagonia at the southern end of South America, revealing that to survive here wildlife has to specialise in one habitat or be tough enough to live in them all

Dr Janina Ramirez investigates the development of Anglo-Saxon art, and examines the Sutton Hoo treasures, the Franks Casket and the Lindisfarne Gospels

The historian explores the story of the city's Thames crossings, a journey that takes him from the marshes of the estuary to the Millennium Bridge near St Paul's Cathedral

Writer Jimmy McGovern looks back on the 1997 BBC drama series, The Lakes, talking about the inspiration behind the series and working with cast members like John Simm

First episode of the drama series. A womanising Liverpudlian gambler sets out for a new life in the Lake District - but tragedy soon strikes. John Simm stars

As the villagers struggle to cope with the aftermath of the tragedy, Danny finds the finger of suspicion pointing at him. Starring John Simm and Emma Cunniffe

Dr Janina Ramirez investigates the development of Anglo-Saxon art, and examines the Sutton Hoo treasures, the Franks Casket and the Lindisfarne Gospels

The historian explores the story of the city's Thames crossings, a journey that takes him from the marshes of the estuary to the Millennium Bridge near St Paul's Cathedral

A look at Patagonia at the southern end of South America, revealing that to survive here wildlife has to specialise in one habitat or be tough enough to live in them all