BBC Earth HD

'S2/E6 - Reckoning'. Everyone faces the final reckoning as the great river crossing begins. Crocodiles block the way for Gnu, while Duma takes on more responsibility.

'S3/E1 - Refuge'. All our animal families make the most of the good times when a new oasis brings untold riches. But they face devastation when a towering inferno takes over. Will anyone survive?

'S11/E8 - The Rising Tides'. The Alaskans push through the deep cold to increase their odds of survival.

'S11/E9 - The Silent Hunter'. Alaskans stand their ground as winter brings one final barrage.

'S11/E10 - Paving Paths'. Alaskans brave the awakening landscape as the end of Winter nears.

'S10/E3 - Oregon'. Ben spends time with Pirate Rob, who lives for half the year with his 18-year-old son Damien in a sandbag house on an island in the middle of an industrial river in Oregon.

'S10/E4 - Tuscany'. In Tuscany, Ben meets British couple George and Sophie who have breathed new life into a farmhouse. George's desire to live self-sufficiently lead to a lifelong project.

'S10/E5 - Zambia'. Ben journeys into Zambia to live with a British family who have built a safari lodge on the edge of a national park. Ben uncovers what motivates them to keep going.

'S1/E2 - Asia'. The latest series from the BBC and Sir David Attenborough explores the continent of Asia and the rarely-observed inhabitants that roam the mountains, deserts and jungles.

'S1/E2 - Into the Unknown'. Around 60 000 years ago, a small group of Homo sapiens migrated into the Middle East. DNA discoveries reveal that every human alive today whose origins are from outside Africa are descendants of this group.

'World's Most Amazing Walks With Robson Green. S1/E5 - Portugal'. Robson Green walks a beautiful but lesser-known route in the Douro Valley in Northern Portugal, rich in ancient art, wildlife and world-famous wine.

'S1/E5'. As David recreates Agatha's Canada tour, he goes stargazing and ranching, and hitches a train across the spectacular Rockies.

'S2/E1 - Atlantis'. Dan Snow travels to Greece to investigate whether there is any truth to the story of the mythical city of Atlantis, which disappeared beneath the waves.

'S11/E10 - Paving Paths'. Alaskans brave the awakening landscape as the end of Winter nears.

'S5/E8'. A flash flood in Australia leaves a family running scared. In Wisconsin, a woman and her dog risk getting swept under the ice and a tornado forces a man to take cover in Vancouver.

'S1/E2 - Asia'. The latest series from the BBC and Sir David Attenborough explores the continent of Asia and the rarely-observed inhabitants that roam the mountains, deserts and jungles.