BBC Earth HD

'S11/E3 - Chile'. Ben Fogle travels to the forests of Chile to meet northern Brit Scott and his young family, and visit their hand-built off-grid cabin in the woods.

'S1/E12 - Milan Part 3'. Michael comes face to face with a lion, heads skywards for a heavenly view, meets the city's great and the good from beyond the grave, and enjoys a classic aperitivo at a legendary bar.

'S1/E2 - A Mountain to Climb'. Ash and team push through brutal jungle and treacherous rivers toward Table Mountain, battling wildlife, exhaustion and harsh terrain in a relentless bid for the summit.

'S4/E4 - Revisit: Utah'. Ben makes an unprecedented third visit to see his old friends Bill and Bob, elderly twins living in the canyons of Utah, and realises that their paranoia about the outside world has grown.

'S12/E16 - The Warming'. With spring in full effect across the Arctic, residents of Alaska must seize seasonal opportunities. Sue Aikens sets out to hunt small game but must be wary of her recent surgery.

'S1/E8 - Jungles'. Covering only three per cent of the planet, jungles contain 50 per cent of the world's species. The film crew captures a real life 'Alien' moment.

'S11/E4 - Bulgaria'. Ben meets a family at the start of their new life, undertaking an ambitious renovation of a dilapidated farmhouse in a Bulgarian village, discovering how crucial this fresh start is for them.

'S11/E16 - Summer Camp'. The warm season provides for Alaskans.

'S4/E8 - York to Edinburgh'. Escape with us aboard the magnificent steam train Tornado as its coupled up with 13 luxury vintage carriages on a 6 hour journey through Yorkshire, to Northumbria and the Borders.

'S6/E5'. Extreme temperatures fuel wildfires on England's east coast, leaving rescue teams overrun.

'S1/E1 - Thessaloniki to Delphi'. Arriving in the northern Greek city of Thessaloniki, Alice Roberts learns about local legend Alexander the Great and his father, Philip II, the King of Macedon.

'S1/E13 - Prague Part 1'. Join Michael Portillo as he takes viewers on a long weekend to three of his favourite European cities of Madrid, Prague and Milan.

'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.

'S1/E2 - Athens'. In Athens, Alice explores the origins of theatre and local ancient Thespis, who liked a drink or two. Alice also meets a Greek politician to discuss the return of the Elgin Marbles.

'S1/E2'. History gets personal as historian David Olusoga uncovers how British imperial history is family history.

'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.

'S4/E10 - Alaska'. The railroad journey begins in Anchorage, Alaska, onboard a luxury passenger train and explores the vast wilderness in Alaska, America's largest and remotest state.

'S1/E13 - Prague Part 1'. Join Michael Portillo as he takes viewers on a long weekend to three of his favourite European cities of Madrid, Prague and Milan.