BBC Earth HD

'Alan Cumming's Most Luxurious Train Journeys: Scotland. S1/E3'. In the picturesque village of Plockton, Alan and his fellow guests explore the coastal marvels of Scotland on an enthralling seal-spotting boat trip.

'Alan Cumming's Most Luxurious Train Journeys: Scotland. S1/E4'. Venturing inland, Alan visits the historic Scone Palace, the site of the first Scottish Parliament and crowning place of Scottish Kings.

'S2/E6 - Our Frozen Planet'. Frozen Planet returns with a spellbinding journey through magical icy lands.

'S1/E1 - Borneo: Sacred Forest'. Borneo is the richest rainforest island of all, home to 40,000 species of plants and animals.

'S12/E18 - The Rat Race'. Melting ice, open waterways, and extended daylight allow Alaskans to chase the opportunities of spring. Sue Aikens hunts the tundra for food but must remain wary of a recent injury.

'S12/E19 - A New Reality'. Changing landscapes and animal patterns threaten the survival of those who dwell in the arctic. The Hailstones search for a once abundant food source quickly turns to desperation.

'S12/E20 - The Last Snow'. The last of the snow melts in Alaska, and residents of the arctic make hay while the midnight sun shines. After a lean winter, Andy Bassich and Denise Becker search for fertile hunting grounds.

'S2/E3 - Stonehenge'. Dan Snow pieces together the story of the magnificent Stone Age circle. He delves into the history of the stone circle and modern discoveries that are moving the world closer to understanding its mysteries.

'S2/E4 - Terracotta Army'. Dan Snow explores the site of the Terracotta Army, where the discovery of thousands of life-sized terracotta warriors, complete with their bronze armaments, was unearthed.

'S1/E1'. A collection of perceived inferences as to the daily life of the residents of Pompeii. Both from the point of view and elite members of society to the lowest slave.

'S1/E2'. This episode gives a more in depth look at the home life of all classes of the Roman society, including recreations of some of the types of homes from aristocrats and merchants to slaves.

'S2/E1 - Frozen Worlds'. Frozen Planet returns with a spellbinding journey through magical icy lands.

'S1/E7 - Arctic Predators'. Cyril faces down a pack of starved black bears and endures rugged conditions when he embarks on a quest in northern Canada to find lake trout.

'S1/E1'. In the first leg of an epic 1300 miles across Nigeria, Michael is in bustling Lagos and an extraordinary waterfront slum school, then dodges alligators at the Emir of Kano's palace.

'Big Adventures: into the Amazon with Robson Green. S1/E1'. Robson's journey begins in Alter do Chao, known as the gateway to the rainforest, and the Amazon's answer to the Caribbean.

'S1/E3 - Aztecs'. We explore the lost world of the Aztecs, asking how and why their vast warrior empire came crashing down in just two short years.

'S3/E1'. Famous faces Roman Kemp, Dylan Llewellyn, Anita Rani, Molly Rainford and Tyler West set off with a loved one on an epic 5,900km race across Central America.

'S1/E2 - The Russian Thing'. This episode looks at the origins of the Mir space station and how the US and Russia worked together.

'S2/E1 - Frozen Worlds'. Frozen Planet returns with a spellbinding journey through magical icy lands.