BBC Earth HD

'S4/E5 - Southern Australia'. A coast-to-coast journey through the Australian outback along the iconic Indian Pacific Railway. It takes two days to travel from Sydney to Adelaide.

'S1/E3'. Tony Robinson leaps into the future to explore artificial intelligence. From a humanoid robot that answers back, to the little workhorses that make next-day delivery possible.

'S1/E3 - Episode 3'. A fight with intruders leaves the lion pride males injured and the mothers with cubs vulnerable to attack. Xudum the female leopard takes risks to find a mate.

'S6/E2 - New Zealand'. Ben travels to New Zealand's North Island, where he meets a young nomadic family led by Amber and Andy, who spend their life exploring the country's wild landscapes.

'S10/E3 - Frigid Fortitudes'. As winter's presence descends upon Alaska, its residents endure battles of wit and nature, learning valuable lessons from both as they progress.

'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.

'Joanna Lumley's Great Cities of the World. S1/E3 - Berlin'. Joanna continues her travels to Berlin. A sometimes dark history has given birth to a creative city with a thrilling atmosphere.

'S1/E3'. Tony Robinson leaps into the future to explore artificial intelligence. From a humanoid robot that answers back, to the little workhorses that make next-day delivery possible.

'S1/E3 - Episode 3'. A fight with intruders leaves the lion pride males injured and the mothers with cubs vulnerable to attack. Xudum the female leopard takes risks to find a mate.

'S10/E3 - Frigid Fortitudes'. As winter's presence descends upon Alaska, its residents endure battles of wit and nature, learning valuable lessons from both as they progress.

'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.

'Joanna Lumley's Great Cities of the World. S1/E3 - Berlin'. Joanna continues her travels to Berlin. A sometimes dark history has given birth to a creative city with a thrilling atmosphere.

'S4/E5 - Southern Australia'. A coast-to-coast journey through the Australian outback along the iconic Indian Pacific Railway. It takes two days to travel from Sydney to Adelaide.

'S1/E3 - To Close For Comfort'. Kim and Pierre turn their attentions to harvesting big game.

'Joanna Lumley's Great Cities of the World. S1/E3 - Berlin'. Joanna continues her travels to Berlin. A sometimes dark history has given birth to a creative city with a thrilling atmosphere.

'S1/E3 - Episode 3'. A fight with intruders leaves the lion pride males injured and the mothers with cubs vulnerable to attack. Xudum the female leopard takes risks to find a mate.

'S6/E2 - New Zealand'. Ben travels to New Zealand's North Island, where he meets a young nomadic family led by Amber and Andy, who spend their life exploring the country's wild landscapes.

'S10/E3 - Frigid Fortitudes'. As winter's presence descends upon Alaska, its residents endure battles of wit and nature, learning valuable lessons from both as they progress.

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

'S7/E1 - Diggers'. Gregg Wallace and Cherry Healey get special access to a factory that makes as many as a hundred iconic yellow diggers every single day.

'S3/E6 - Extremes'. David Attenborough reveals how animals battle to survive the elements.

'S1/E5 - Healthy Inside'. Dr Michael Mosley tries to learn the secrets behind staying healthy. He examines ways that people can make their bodies better at fighting infection and sickness.

'S6/E3 - Thailand'. Deep into the jungle mountains of Thailand on the border with Myanmar and far off any conventional map, Ben spends time with 40-year-old French-Canadian Julien, who has been a Buddhist monk for almost half his life.

'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.

'Hidden Frontiers: Arabia with Reza Pakravan. S1/E1'. Reza explores the possibility of human habitation in an impenetrable canyon system in Oman.