BBC Earth HD

'S9/E2 - Sliced Bread'. Paddy McGuinness is at the Warburtons factory where he worked as a teenager.

'S4/E5 - Revisit: Rathlin Island'. Ben Fogle revisits Rauri on Rathlin Island, who left HR for off-grid life. They repaint Rauri's house and discuss his health struggles, and a daring journey he made to help those in need.

'S12/E17 - High Risk, High Reward'. With the waterways open, Alaskans navigate the rivers for reconnaissance and resources. Andy Bassich and Denise Becker must endure a grueling process of launching their boats for a critical hunt.

'S1/E4 - Misfortune'. The long-awaited arrival of the great migration increases conflict between the families of the Serengeti.

'S10/E12 - Sri Lanka'. Ben stays with Naveen and Anke who have made their home in the Sri Lanka's highlands. He uncovers why they swapped one of the biggest cities in the world for a simple off-grid existence miles from civilisation.

'S7/E19 - The New World'. Sue travels to the Arctic National Wildlife Refuge. Ricko hunts moose. Jessie builds a cabin in Brushkana. The Hailstones all gather in Kiwalik.

'S5/E3 - Whistler'. In this episode, man versus snow - engineers battle the elements to build an incredible record breaking mountain town on the Canadian Pacific seaboard.

'S1/E7 - Lisbon Part 1'. Michael rides the iconic Route 28 tram, embraces quirky Portuguese cuisine, loses himself to melancholic folk music, encounters passionate peacocks, and retraces the steps of a royal tragedy.

'S4/E6 - Revisit: Suffolk'. Join Ben as he revisits Will Lord, a true British caveman, in Suffolk's woodlands. Discover how Will's prehistoric dreams have evolved over three years and how his loved ones embrace this lifestyle.

'Anton and Giovanni's Adventures in Sicily. S1/E3'. For the final part of their trip around Sicily, Anton and Giovanni make their way to Gio's hometown of Palermo, stopping along the way to meet some beer-brewing monks.

'S5/E4 - Seattle's Floating Bridge'. In this episode, engineers have a mammoth challenge on their hands as they try to build a railway on one of the longest floating bridges in the world in Seattle.

'S2/E1'. Travelling to Arran and Holy Isle, Ben Fogle learns how they're a haven for diverse faiths and beliefs, makes Jewish challah bread and visits a Buddhist peace centre.

'S11/E8 - The Rising Tides'. The Alaskans push through the deep cold to increase their odds of survival.

'S7/E7 - Panama'. Ben meets Jaimie, an eccentric inventor originally from Vermont who lives with his family on a group of islands he has bought off the coast of Panama.

'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.

'S5/E5 - NATO's AWACS'. In this episode, the eyes in the sky, the distinctive aircraft with a huge radar dome mounted on its roof - NATO's incredible Airborne Warning And Control System.

'Anton and Giovanni's Adventures in Sicily. S1/E3'. For the final part of their trip around Sicily, Anton and Giovanni make their way to Gio's hometown of Palermo, stopping along the way to meet some beer-brewing monks.