Underwater Warriors • 2016 • Attack and Defend

48:03

The Mackenzie Delta is an Arctic network of channels and islands at the mouth of Canada's largest river. It's home to the ancient Inuit, as well as a variety of highly specialized wildlife, including the sonorous sandhill and majestic peregrine falcon. Follow them as they contend with a rapidly changing climate.

S1E3 • Arctic Secrets • 2015 • Nature

20:57

Narwhals are the unicorns of the sea, but what is the point of those tusks? What could swallow 50-foot trees in seconds? What animal has changed the face of Yellowstone?

S1E17 • Nature's Strangest Mysteries: Solved • 2019 • Nature

51:49

Thanks to new technologies combining genetics, ethology, geology and even particle physics, paleontologists can now recreate the missing branches of the tree of life. Because of this, it has been discovered that prehistoric mammals were more varied and numerous than previously thought.

S1E3 • Ancient Earth: Series 2 • 2018 • Nature

58:00

It's time to close another chapter in the lives of the animals of the Serengeti, the end of an extraordinary year for them all. But first, all around is a blackened smoking wasteland, the aftermath of the huge fire. Which of the families made it out alive and who is still missing? Torrential rain brings hope and the land is reborn into a green paradise as water quenches the scorched earth. Mirroring the changes in the landscape, the cycle of death and rebirth comes to the fore as the Serengeti's elders prepare their young for adulthood and a life on their own. Lioness Kali is alive, but one of her three cubs is missing. Kike the cheetah returns and must train her grown-up cubs to survive on their own. The short, lush grasslands make the perfect training grounds for her lessons of survival. She teaches them to stalk, chase and trip their prey. A giraffe, grieving over the unexplained death of her calf, interrupts the cubs' training regime. Leader of the wild dogs Jasari is also showing his pups how to survive on their own, but when he teaches them to fight off hyenas, they too are interrupted by the grieving giraffe. In the flooded river, elephant matriarch Nalla's baby struggles in the torrents. Bakari returns when a huge fight with a rival baboon troop threatens his family, and he shows his bravery once more. Kali has yet more surprises in store which bring hope for her and her pride's future. Kike has to leave her cubs and hope that they are ready for independence. With the death of an old male elephant, all the families come together and old rivalries end in a remarkable truce. With a new regime in place among the baboons, the harmony of nature is restored and for now, the future is bright for the families of the Serengeti.

S1E6 • Serengeti • 2019 • Nature

48:04

At first glance, they look like pigs, but they're actually white-lipped peccaries from the Brazilian wetlands of the Pantanal, 10 times the size of the Everglades. Follow scientists as they track these mysterious mammals in their daily quest for food, while keeping a watchful eye for their main predator: jaguars.

3 • Brazil Untamed • 2016 • Nature

24:00

What can the struggles of sturgeons and muskrats, two key Great Lakes species, tell us about the impact of upstream dams on the local ecosystem? Join conservationists as they assess the threats to the habitats of these animals and weigh options to counteract the damage before it's too late.

S1E6 • Great Lakes Wild • 2017 • Nature