BBC Earth HD

'S2/E6'. Paul and Bob fish for graceful grayling on the stunning River Ure. They meet the surgeon who performed Bob's life-saving heart bypass and re-enact the drama of the operating table - in a local pub!

'World's Most Amazing Walks With Robson Green. S1/E1 - Hadrian's Wall'. Robson Green sets out on one of the most iconic walks in the UK, the Hadrian's Wall path.

'World's Most Amazing Walks With Robson Green. S1/E2 - Austria'. Robson Green is in Austria hiking along the stunning Wachau Valley, following the incredible blue Danube.

'S4/E7 - Welsh Borders'. A ride is taken aboard the grande dame of luxury heritage trains, the Northern Belle, on a railway that weaves in and out of England and Wales.

'S4/E8 - York to Edinburgh'. Escape with us aboard the magnificent steam train Tornado as its coupled up with 13 luxury vintage carriages on a 6 hour journey through Yorkshire, to Northumbria and the Borders.

'S4/E9 - Sweden'. A mid-summer railway journey through central Sweden starts in Mora on the Inlandsbanan. This town is in the county of Dalarna, the heart of Swedish traditional culture.

'S1/E1'. The team begins a six-month expedition following lions, leopards and cheetahs in the Okavango Delta. A huge wildfire threatens both the big cats and the team.

'S1/E2'. The team follow lions, leopards and cheetahs after a huge wildfire. The dominant male lions fight intruders, while the leopards and cheetahs struggle to get a meal.

'S11/E2 - Like Ghosts'. The Hailstones produce an original work of Inupiaq art, and Cole Sturgis ventures into the wilds of the Southeast on a life-or-death hunt.

'S11/E3 - On the Auroras'. Alaskans confront the environment, and themselves, as winter bears down.

'S11/E4 - Off the Deep End'. Alaskans rediscover old practises to get through the heart of winter.

'Queens of Combat: Rome's Female Gladiators. S1/E1'. What if women were hidden among the ranks of Ancient Rome's fearsome gladiators? A group of experts searches for evidence to prove women once fought in the arena just like men.

'S1/E1 - The Arena of Death'. Join Dan Snow as he uncovers the incredible story behind the Colosseum's creation: separating fact from fiction, discover the real story from Roman concrete to gladiators, and the spectacular opening games.

'S1/E2 - Blood & Sand'. Dan explores life at the Colosseum, from tickets and food to the brutal games. He reveals backstage tech, uncovers gladiator myths, and delves into the spectacles beyond combat.

'S2/E6'. A new generation of lions, cheetahs and leopards is coming of age in the Okavango Delta.

'S1/E1'. In New York City, Hurricanes Ida and Ian unleash their fury on innocent people, see how the latest science and technology can protect New York City's 8 million residents.

'S1/E2'. In New York City, Hurricanes Ida and Ian unleash their fury on innocent people, see how the latest science and technology can protect New York City's 8 million residents.

'S1/E3'. Rob and Rylan are on the final leg of their Indian adventure. They're bound for Varanasi, the spiritual heart of India, where millions come to wash away their sins before they die.

'S1/E4'. Episode four covers the legal and illegal side of general life in Pompeii before the eruption of Vesuvius. Crime and punishment in Roman times were split depending of social class one belonged.

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

'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.

'S2/E6'. A new generation of lions, cheetahs and leopards is coming of age in the Okavango Delta.