BBC Earth HD

'S1/E1'. India has 275 species of snakes, more than any other country on the planet.

'S5/E2 - Canada: Freedom Cove'. Ben ventures to the rugged west coast of Canada to live with a family who've hand-built a spectacular floating island on the edge of the Pacific Ocean.

'S2/E13 - The Thaw - The Awakening'. Across Alaska the thaw brings new challenges and dangers for the region. Rising temperatures in Kava cause potential disaster for Sue's business.

'S1/E2'. BBC Earth inspires audiences by sharing the incredible wonders of our universe. The channel showcases the work of the world’s foremost factual film makers.

'S1/E1 - Australia'. Ben learns to oyster pick, brew beer, trade fish and dance with the locals with voluntary castaway Dave Glasheen on a remote Australian island.

'Steve Backshall's Extreme River Challenge. S1/E1 - Part 1'. Steve begins at Lake Habema, source of the Baliem River, tackling extreme white-water rapids and discovering spectacular unexplored caves on a perilous expedition.

'S4/E5'. Michael Portillo crosses the Atlantic to ride the railroads of America, armed with Appleton's General Guide to the United States, published in 1879.

'S1/E3 - Mamma Etna'. Mount Etna, Europe's most active volcano, is in the experiencing its longest spate of eruptions in recent years.

'S1/E4 - The Dolphin'. How did the dolphin get so smart? Chris Packham explores the origins of senses, brains and intelligence, in an evolutionary odyssey that ventures from ocean to land and back again.

'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.

'S4/E6'. Michael Portillo crosses the Atlantic to ride the railroads of America, armed with Appleton's General Guide to the United States, published in 1879.

'S9/E5'. Tom Webster meets aspirational New Zealanders on their daring, determined and sometimes perilous journeys to build the residential homes of their dreams, using innovation and a Kiwi can-do attitude.

'S5/E3 - Egypt'. Ben journeys to North Africa to live with American widow Maryanne on the farm.

'S2/E4'. An ENT surgeon prepares to operate on Sarah, whose large bone tumour has turned deadly.

'S2/E14 - The Thaw - The Waiting Game'. The caribou have yet to arrive, and Sue believes they may have changed their migration pattern meaning she will need to source alternative food.

'S4/E7'. Michael Portillo travels on the Ocean train from Nova Scotia to New Brunswick. Along the way, he investigates the world's biggest tide at Hopewell Rocks and admires its rock formations and caves.

'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.