BBC Earth HD

Two world-leading projects designed to tackle the crises facing Earth's rivers come under the spotlight.

'S7/E10 - New Zealand'. While many of the new lives Ben dives into feel like a gritty struggle against the elements, Lucy and Tim's relocation to New Zealand looks more like something from an aspirational blog or YouTube channel.

'S7/E1 - Adapt or Die'. Sue pursues a bear. Jessie hunts small game. The Hailstones build a sled for baby Wade. Glenn hunts a moose.

'S5/E8 - Beipanjiang First Bridge'. In this episode, the highest bridge on earth, connecting two communities in China formerly divided by a gorge so deep it's known as the crack in the earth.

'S5/E7 - F35'. In this episode, the world's newest advanced fighter aircraft - the incredible F35 Lightening II - and three of the most pioneering innovative aircraft that paved the way for it.

'S1/E2'. Brendan takes an owl out of a roof space from a house in Roodeport, Danelle feeds a baby squirrel and Brendan and Danelle retrieve a sparrow hawk from a warehouse.

'S5/E7 - F35'. In this episode, the world's newest advanced fighter aircraft - the incredible F35 Lightening II - and three of the most pioneering innovative aircraft that paved the way for it.

'S11/E3 - On the Auroras'. Alaskans confront the environment, and themselves, as winter bears down.

'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/E3 - Episode 3: Rome'. In Rome, Rob and Rylan turn themselves into a painting by Caravaggio, try to get the Grand Tourist look, and discover the shocking story of the singers known as 'castrati'.

'S6/E1 - Beasts of the Bayou'. Built by Heerema Marine Contractors, the Sleipnir is the world's largest heavy-lift and deepwater construction vessel. With its two record-breaking cranes, it's one of the most complex ships constructed.

'S11/E1 - Norway'. Ben heads to an island at the edge of the world on Norway's arctic coastline, and meets Elena, a former Middle East peacekeeper who has created her dream home here.

'S7/E1 - Adapt or Die'. Sue pursues a bear. Jessie hunts small game. The Hailstones build a sled for baby Wade. Glenn hunts a moose.

'S2/E2 - Change'. In the aftermath of the storm, the vast landscape is flooded. Everyone is on the move, but the flood waters bring danger and our characters experience the terrifying ordeal of being washed away.

'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/E4 - Off the Deep End'. Alaskans rediscover old practises to get through the heart of winter.

'S5/E7 - F35'. In this episode, the world's newest advanced fighter aircraft - the incredible F35 Lightening II - and three of the most pioneering innovative aircraft that paved the way for it.

'S1/E10 - Milan Part 1'. Michael enjoys the sites from the back of a classic 1960s Lambretta, scales the magnificent Duomo cathedral, is given a crash course on espresso etiquette and learns to dress like a Milanese.

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

'S1/E1 - Sweden'. Paddy and Chris head to Sweden to get back to nature and embody 'friluftsliv'. It can lower stress and improve mental health, but can they embrace nature to get the reboot needed?

'S5/E8 - Beipanjiang First Bridge'. In this episode, the highest bridge on earth, connecting two communities in China formerly divided by a gorge so deep it's known as the crack in the earth.

'S9/E3 - Cheese Curls'. Paddy McGuinness visits a factory to explore the surprising process of turning potato starch into 500 million packs of Quavers cheese curls every year.

'S1/E1 - The First of Us'. In Morocco, it's revealed that Homo sapiens are 100,000 years older than previously thought. The species was nearly wiped out by violent climate change but clung on against the odds.

'S7/E11 - Croatia'. As one of the world's most in-demand sporting coaches, 43-year-old Nikola Boric once travelled the world, welcomed everywhere he went. Now, he lives in a wooden cabin without electricity, water or heating.

'S7/E2 - Darkness Approaches'. Sue wolverine-proofs her camp. Ricko hunts Moose. Jessie rescues his boat. The Hailstones prepare for winter.

'S5/E9 - Infantry Assault'. In this episode, the incredible machines built to get troops directly to the front line, on land, at sea and in the air.

'S1/E1 - Sweden'. Paddy and Chris head to Sweden to get back to nature and embody 'friluftsliv'. It can lower stress and improve mental health, but can they embrace nature to get the reboot needed?