BBC Earth HD

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

'S10/E12 - Sri Lanka'. Ben stays with Naveen and Anke who have made their home in the Sri Lanka's highlands. He uncovers why they swapped one of the biggest cities in the world for a simple off-grid existence miles from civilisation.

'S8/E7'. In Zurich, Michael Portillo has a brush with the absurd in the anarchic paintings and artistic haunts of the Dadaists, a group of artists who found refuge in the city during the First World War.

'S2/E1'. In postcard-perfect Rye in East Sussex, busy mum Sam is on a mission to supercharge her health after shedding the pounds with the help of weight-loss jabs.

'S2/E2'. In Sheffield, empty nesters Siva and Dhami are feeling stuck in a rut. But Roman Kemp is about to shake things up. He wants to show them how taking up dancing could do far more than just put a spring in their step.

'S4/E5 - Revisit: Rathlin Island'. Ben Fogle revisits Rauri on Rathlin Island, who left HR for off-grid life. They repaint Rauri's house and discuss his health struggles, and a daring journey he made to help those in need.

'S1/E5 - On Thin Ice'. Becky braves sub-zero temperatures to fish a remote, frozen lake.

'S1/E6'. Lion numbers continue to grow, but there's not enough food to go around. A lioness mum risks her life to feed her five cubs. And Xudum's new-born leopard cubs face a deadly threat.

'S11/E1 - Norway'. Ben heads to an island at the edge of the world on Norway's arctic coastline, and meets Elena, a former Middle East peacekeeper who has created her dream home here.

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

'S5/E3 - Peak District'. Travelling through the Peak District at full steam, pulled by the Royal Scot - one of the finest locomotives ever built.

'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.

'S11/E3 - Chile'. Ben Fogle travels to the forests of Chile to meet northern Brit Scott and his young family, and visit their hand-built off-grid cabin in the woods.

'S8/E8'. Aboard the Golden Pass Express, Michael Portillo wends his way in style down steep mountainsides from Interlaken to the Swiss Riviera. In Lausanne, he contends with a knife-wielding robotic arm.

'S5/E4 - Portugal'. From a vineyard that has been making one of Britain's favourite tipples - Port - travel down the line that once transported it to the city that gave it its name: Porto.

'S11/E4 - Bulgaria'. Ben meets a family at the start of their new life, undertaking an ambitious renovation of a dilapidated farmhouse in a Bulgarian village, discovering how crucial this fresh start is for them.

'S2/E1'. The race begins in Belém, Northern Brazil, one of the country's least populated regions. Teams must pass through five checkpoints - across the length of South America - to reach the finish in Frutillar.

'S4/E6 - Revisit: Suffolk'. Join Ben as he revisits Will Lord, a true British caveman, in Suffolk's woodlands. Discover how Will's prehistoric dreams have evolved over three years and how his loved ones embrace this lifestyle.

'S1/E6 - Out in the Cold'. Kim and Pierre's trapping season is complicated by a troublesome local resident.

'S8/E8'. Aboard the Golden Pass Express, Michael Portillo wends his way in style down steep mountainsides from Interlaken to the Swiss Riviera. In Lausanne, he contends with a knife-wielding robotic arm.

'S5/E5 - Italy'. We're celebrating Italy and following the Neapolitan Line. Travelling west from the gelato shops of the seaside town of Pescara, we cross Italy through the wild Apennine Mountains.