Celebrities look for ways to save the planet's wildlife. Former Apprentice runner-up Saira Khan travels to Sri Lanka to examine the plight of the turtle. Show more

Celebrities look for ways to save the planet's wildlife. Journalist Fiona Bruce visits India to investigate the plight of the tiger. Show more

Celebrities look for ways to save the planet's wildlife. Singer Will Young visits West Africa in search of the fast-disappearing western lowland gorilla. Show more

Celebrities look for ways to save the planet's wildlife. Radio One DJ Edith Bowman travels to Cambodia to see the rare Siamese crocodile. Show more

Celebrities look for ways to save the planet's wildlife. Journalist Carol Thatcher visits the Falkland Islands to meet the Black-browed Albatross. Show more

Celebrities look for ways to save the planet's wildlife. Jack Osbourne travels to Northern Namibia where the desert elephant faces a new crisis. Show more

Celebrities look for ways to save the planet's wildlife. Cricketer Phil Tufnell visits Kaziranga National Park, the last stronghold of the Indian rhino. Show more

David Attenborough takes a look at the impact that humankind has had on the planet and how a relentless battle for space has led to a struggle for survival for many species. Show more

Celebrities look for ways to save the planet's wildlife. Graham Norton heads for the remote Ethiopian Highlands in search of the Ethiopian Wolf. Show more

The culmination of the Saving Planet Earth season is a live star-studded, fundraising spectacular with performances from Avril Lavigne, Manic Street Preachers and many more. Show more

Fundraising culmination to the Saving Planet Earth season, plus, Nick Knowles heads to Borneo to witness the plight of its native orang-utans as their forest home is cut down. Show more