Rodolphe Guignard explores how humans and crocodiles coexist in close quarters In Mexico; despite primal fears, he discovers these ancient reptiles to be curious, peaceful, and rarely dangerous.

North California is besieged by a spate of raging wildfires. In Costa Rica, a tourist pleasure boat capsizes and in North Carolina, a tornado hits a superstore packed with shoppers.

Jeremy heads to a remote river in the Australian outback to try and catch the rare but fearsome freshwater sawfish; this shadowy predator is said to reach 18 feet long and attack boats.

Two US Army veterans help Gary with a rescue at the park, and Arlie and Blue wrangle a feisty gator out of a dangerous situation.

An insightful and spectacular celebration of birds of prey, our planet's most successful hunters; from frozen wilderness to tangled jungle, this episode reveals the raptors as never before.

An extraordinary look at the extreme ways in which birds of prey conquer the toughest habitats on Earth ny taking on deadly prey; raptors have solutions to many very extreme challenges.

Eagles are able to tackle huge prey, spot food from great distances and can stay aloft on their broad wings for hours... but how do they do it? We try to find out in this documentary.

Sharks are seen as ocean killers, but are they? Rodolphe Guignard dives with them in Florida and the Bahamas while revealing surprising interactions and questioning if coexistence is possible.

Rodolphe Guignard explores how humans and crocodiles coexist in close quarters In Mexico; despite primal fears, he discovers these ancient reptiles to be curious, peaceful, and rarely dangerous.

Winter planning begins to fall apart for Alaskans as they prepare for the impending freeze.

Sue Aikens returns to find a dangerous predator lurking just outside of camp. Meanwhile, the lake outside of Glenn's cabin is frozen, so the conditions are perfect for finding goose grass.

The Arctic's late freeze presents unique challenges for Alaskans as they attempt to gather food and resources for survival.

Repairs, hunting and errands are all on the to-do list as five Alaskans struggle to get through the everyday grind as the long, dark winter looms ahead.

The looming arrival of dark winter forces Alaskans to tackle various obstacles to ensure a prosperous season. Andy hunts in order to replenish his meat supply. Sue confronts her greatest fear head-on.

Vet Guy helps chihuahua Heidi when she goes into labour, David removes a lump from Geoffrey the guinea pig's back, Tom helps a family's Shetland pony, and Shondie treats a snake at the rescue centre.

Shondie helps two pregnant sheep, Bengal cat Harvey needs a blood transplant, Guy must remove a Weimaraner's lump, David examines Daisy the Gecko, and Bridget has a piglet in surgery.

The most perilous time in an animal's life is the very beginning. We follow baby animals as they use sound to announce their arrival, to beg for food and call for help in their quest to survive.

From the largest lemur to the song of the humpback whale, Sir David Attenborough chooses his favourite recordings from the natural world that have revolutionised our understanding of song.

Belgium's forests hide some unusual behaviour; antlions violently pull their prey into sand funnels to feed their larvae while carnivorous sundew plants trap unwary insects with their slimy tentacles.

Vast forests and high ridges in Romania's Carpathian Mountains host Europe's largest population of brown bears; we follow conservationists as they rewild bison, reforest and survey bear populations.

An insightful and spectacular celebration of birds of prey, our planet's most successful hunters; from frozen wilderness to tangled jungle, this episode reveals the raptors as never before.

An extraordinary look at the extreme ways in which birds of prey conquer the toughest habitats on Earth ny taking on deadly prey; raptors have solutions to many very extreme challenges.

Eagles are able to tackle huge prey, spot food from great distances and can stay aloft on their broad wings for hours... but how do they do it? We try to find out in this documentary.