BBC Earth HD

'S1/E3 - Episode Three - 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/E1'. How did a small island create the biggest empire the world has ever seen? David Olusoga uncovers a living legacy.

'S2/E6 - British Columbia, Canada'. Ben Fogle revisits former war correspondent Julius Strauss and his wife Kristin, who live in British Columbia. Their home is in the middle of a mountainous region that is home to grizzly bears.

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

'S1/E3 - Seasonal Worlds'. Seasonal worlds are dominated by relentless change. For plants to survive they must get their timing right.

'S2/E5 - Fiji, Pacific Ocean'. Ben Fogle is reunited with seafarer Rick, who made a fresh start on the Pacific island of Fiji after previously living off the coast of French Polynesia.

'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.

'S1/E4 - Canberra to Melbourne'. Michael Portillo crosses the south east of Australia from Canberra to the multi-ethnic heart of Melbourne.

'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.

'World's Most Amazing Walks With Robson Green. S1/E8 - Poland'. Join Robson Green on an unforgettable journey through the heart of southern Poland as he explores the legendary Trail of the Eagle's Nests.

'S1/E4 - Episode Four - Crete: Chania, Knossos and Eleutherna'. Arriving just as a sea storm hits, Bettany is lucky to reach Crete. She travels to the ruins of the ancient city of Knossos.

'S1/E5 - Kuranda to Townsville'. Inching his way across the Stony Creek Bridge on the Kuranda Scenic Railway, Michael marvels at the engineering expertise of the 1890s.

'S1/E2'. In his first visit to Nigeria, labelled the 'Giant of Africa', Michael Palin embarks on an epic 1,300-mile journey.

'S1/E1 - The Acropolis with Harry Hill'. Chris heads to the Greek capital Athens with comedy legend Harry Hill, where the pair try their hand at Olympic sports and pottery making before Harry tries to describe the Acropolis to Chris.

'S3/E6 - Bulgaria'. Ben Fogle returns to Bulgaria to meet up with nomads Miriam and Peter after four years.

'S1/E6 - Out in the Cold'. Kim and Pierre's trapping season is complicated by a troublesome local resident.

'S1/E6 - Newcastle to Brisbane'. Michael Portillo travels from the coal mines of Newcastle, New South Wales, to Brisbane, crossing the mighty Hawkesbury River.

'S1/E4 - Episode Four - Crete: Chania, Knossos and Eleutherna'. Arriving just as a sea storm hits, Bettany is lucky to reach Crete. She travels to the ruins of the ancient city of Knossos.