BBC Earth HD

'S1/E9 - Railways, Law and Order'. Michael examines notorious crimes on the railways during the times of his Bradshaw's and Appleton's guides. He looks into the history of skulduggery by the owners of North American railroad companies.

'S5/E4 - Mattresses'. Gregg Wallace is in Leeds at an enormous mattress factory that produces 600 bouncy beds every day.

'S1/E1 - Ending HIV in America'. The story behind the extraordinary scientific progress in the fight against HIV, 40 years after its initial outbreak shook the world.

'S1/E5 - India'. Ben retraces his epic journey back to India to revisit Steve Lall, an ex-fighter pilot who turned his back on Indian High Society for a simple life in the foothills of the Himalayas.

'S1/E4 - Down to the Wire'. Bentley goes hunting, determined to find meat for his family.

'S1/E10 - Railways and Royalty'. Michael examines 180 years of royal fascination with the railways, going all the way back to King George V and Queen Mary's Royal Train Tour in 1913.

'Greek Island Odyssey with Bettany Hughes. S1/E2 - Delos, Ikaria and Mykonos'. Bettany takes a trip to Delos, then sets sail to Ikaria before sailing through one of the most dangerous routes of the Mediterranean.

'S5/E4 - Mattresses'. Gregg Wallace is in Leeds at an enormous mattress factory that produces 600 bouncy beds every day.

'S1/E1 - Ending HIV in America'. The story behind the extraordinary scientific progress in the fight against HIV, 40 years after its initial outbreak shook the world.

'S1/E5 - India'. Ben retraces his epic journey back to India to revisit Steve Lall, an ex-fighter pilot who turned his back on Indian High Society for a simple life in the foothills of the Himalayas.

'S1/E10 - Railways and Royalty'. Michael examines 180 years of royal fascination with the railways, going all the way back to King George V and Queen Mary's Royal Train Tour in 1913.

'Greek Island Odyssey with Bettany Hughes. S1/E2 - Delos, Ikaria and Mykonos'. Bettany takes a trip to Delos, then sets sail to Ikaria before sailing through one of the most dangerous routes of the Mediterranean.

'S1/E1 - Ending HIV in America'. The story behind the extraordinary scientific progress in the fight against HIV, 40 years after its initial outbreak shook the world.

'S1/E3 - Predator Power'. Steve goes in search of some of the most powerful predators on the planet.

'S1/E9 - Railways, Law and Order'. Michael examines notorious crimes on the railways during the times of his Bradshaw's and Appleton's guides. He looks into the history of skulduggery by the owners of North American railroad companies.

'S10/E8 - Hard Lessons, Lasting Impressions'. Alaskans break trail and hunt for their survival during the tail end of the brutal winter.

'S9/E7 - Arizona'. A disabled retiree turned into a modern-day nomad travels across the United States and uses a renovated military transport vehicle for her journey.

'Greek Island Odyssey with Bettany Hughes. S1/E2 - Delos, Ikaria and Mykonos'. Bettany takes a trip to Delos, then sets sail to Ikaria before sailing through one of the most dangerous routes of the Mediterranean.

'S5/E4 - Mattresses'. Gregg Wallace is in Leeds at an enormous mattress factory that produces 600 bouncy beds every day.

'S1/E5 - India'. Ben retraces his epic journey back to India to revisit Steve Lall, an ex-fighter pilot who turned his back on Indian High Society for a simple life in the foothills of the Himalayas.

'S1/E4 - Down to the Wire'. Bentley goes hunting, determined to find meat for his family.

'S3/E11'. Wildfires ravage California, a tornado terrorises people trapped in a gas station, daredevils skydive over Antarctica, and a microburst causes chaos.

'S9/E8 - Sierra Nevada'. Ben visits snowboarding legend Mike Basich, who left professional sport to reconnect with nature in the Sierra Nevada mountains.

'S10/E9 - Can't Change The Fear'. The Alaskans embrace change as winter loosens its icy grip on the Arctic.

'S3/E12'. Devastating floods trap residents in Australia, a base jumper gets stranded in freezing temperatures and a destructive hail storm batters Texas.

'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.

'S1/E1 - Kalahari'. Exploring the incredible Kalahari desert, where there's no rainfall at all and the animals must go to incredible lengths to survive.

'Greek Island Odyssey with Bettany Hughes. S1/E3 - Santorini, Naxos and Siphnos'. Bettany heads to Santorini, the site of one of the biggest volcanic eruptions in history, before heading over to Naxos and then Siphos.

'S1/E10 - Railways and Royalty'. Michael examines 180 years of royal fascination with the railways, going all the way back to King George V and Queen Mary's Royal Train Tour in 1913.

'S8/E10 - Northumberland'. Ben travels to Northumberland where he meets Kezz and Nathalie Petronelli-Stone. Their off-grid and environmentally sensitive approach to life means they don't even have a telly.

'S7/E7 - New Horizons'. Sue collects firewood. Ricko and his son Skyler go beaver trapping. Jessie explores his newly purchased land. The Hailstones move up river.

'S2/E1 - New Zealand'. Ben returns to New Zealand to visit the Long family, who live a hunter-gatherer lifestyle on the country's South Island that's two days' hike from the nearest road.

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

'S1/E1'. Starting in Alexandria, Alice searches for Cleopatra, discovers how the Romans and the Greeks reacted to the treasures of Ancient Egypt, and learns how a slave became a sultan and built his own caste

'Greek Island Odyssey with Bettany Hughes. S1/E3 - Santorini, Naxos and Siphnos'. Bettany heads to Santorini, the site of one of the biggest volcanic eruptions in history, before heading over to Naxos and then Siphos.