BBC Earth HD

'S1/E4'. Paul and Bob fish the beautiful river Wensum in search of roach. They realise age is taking its toll on their physicality. But Bob has a plan to help Paul recapture his youth.

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

'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.

'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.

'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, Chile.

'S1/E5'. Paul fishes at the famous Bridge Pool near Christchurch in Dorset, hoping to catch sea trout. Bob arrives late but redeems himself by hooking the first fish of the day.

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

'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.

'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.

'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.

'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.

'S2/E1'. The Big Cats 24/7 team is returning to the Okavango Delta to catch up with old friends.

'S11/E2 - Portugal'. Ben Fogle journeys to the mountains of central Portugal.

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

'S1/E1 - Oceans'. Documentary about the oceans and how science is helping combat the impact of climate change.

'S1/E2 - Grasslands'. Discussion about the impact grasslands have on capturing carbon.

'S6/E11'. A devastating Hurricane wipes out a Caribbean island, a rare Californian Tornado catches people off guard, a powerful Derecho pounds Canada and the Australian outback is ablaze.

'S8/E9'. Michael Portillo's visits Brest, home to France's oceanographic fleet. His journey continues to Rennes, capital of Brittany, and finally, climbing the steps of Mont-Saint-Michel.

'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.

'S1/E1'. In 113 B.C., the Roman Republic faces an unprecedented existential crisis when a massive barbarian migration, led by the Cimbri and Teutones, sweeps down from the north.

'S6/E12'. Devastating floods in Italy, a mass evacuation in a Canadian wildfire, a deadly Texan storm surge and ferocious volcanic eruptions in Iceland.

'S2/E1'. Travelling to Arran and Holy Isle, Ben Fogle learns how they're a haven for diverse faiths and beliefs, makes Jewish challah bread and visits a Buddhist peace centre.

'S1/E7 - Feast or Famine'. Pike Mike tries to improvise a new source of bush power.

'S8/E9'. Michael Portillo's visits Brest, home to France's oceanographic fleet. His journey continues to Rennes, capital of Brittany, and finally, climbing the steps of Mont-Saint-Michel.

'S5/E6 - Africa'. Starting from one of the world's most remote cities, Walvis Bay, in Namibia, we roll 1,500 miles through the Kalahari desert to Pretoria, South Africa's Executive Capital.