BBC Earth HD

'S8/E8 - Suffolk'. Ben journeys to the Suffolk countryside and a secretive patch of woodland, to spend the week with unique character Will, 50, who could be described as a true British caveman.

'S3/E6 - Lakes & Dales'. Starting in Preston, locomotive 6201 - The Princess Elizabeth - pulls out, hauling stylish 1930s Pullman carriages in its wake, heading towards the Lake District.

'S1/E2'. The boys board a packed train to Rajasthan during Diwali, the vibrant festival of lights. Known as the 'land of kings', Rajasthan enchants the pair, with its grand forts and opulent palaces.

'S3/E7 - Thailand'. Ben travels to Thailand to meet Paul and Sao, who he first visited in Cambodia. Paul and his family have build their version of an English castle.

'S1/E4'. Budgets are dwindling and the intensity of the race is stepping up as the teams leave western Europe behind.

'S1/E2'. Steve tries to find out if monster crocodiles can still thrive in the Reserve, and encounters five-metre-long Henry. But will he finally find the monster croc he's been searching for?

'S8/E9 - Isle Of Erraid'. Ben travels to a unique, tiny island in the Scottish Hebrides where he meets ex-social care worker Philip, who has embraced a new way of life in this small, alternative community.

'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.

'S4/E6 - Far North Scotland'. We travel the Far North Line between Inverness and Wick, a four-hour ride that travels along the coast, and has Dunrobin Castle as one of its sights along the way.

'Gordon Buchanan: My Epic Camel Adventure. S1/E1'. Gordon Buchanan takes an epic camel ride across the Gobi Desert to discover how these most iconic, yet least understood, animals have adapted to survive in extreme environments.

'S1/E1 - Hyperloop'. Meet the engineers who are building super-fast levitating pods inside vacuum tubes, that could change the world.

'S8/E1'. Michael begins a journey across the Balkan countries of Croatia and Bosnia and Herzegovina.

'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.

'S1/E2 - Ocean Power'. Visionaries from Spain, Sweden and Scotland develop innovative technologies like sub-sea kites and floating platforms to harness tidal energy and provide reliable, clean power to coastal communities worldwide.

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

'S3/E8 - Norway'. Ben travels to northern Norway inside the artic circle to catch up with Randi after five years. Randi has expanded her small holding and is now a crucial member of the local community.

'S1/E5'. The race has reached its fifth and penultimate leg as the four celebrities and their loved ones navigate their way 1500km north from Sarajevo to Germany's capital, Berlin.

'S8/E1'. Michael begins a journey across the Balkan countries of Croatia and Bosnia and Herzegovina.

'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.