Ultimate Swarms • 2013

28:50

Hunting for it in the piranha-infested waters looks like no fun at all, but some of the images we see of astonished fish along the way are brilliant.

S1E1 • Amazon Abyss • 2005 • Nature

22:18

David Attenborough examines creatures that have baffled us for centuries. This episode looks at two animals that use tools, orangutans and crows.

S3E2 • Natural Curiosities • Nature

57:16

Ascends a kapok in the South American tropical rainforest to observe "the greatest proliferation of life that you can find anywhere on the surface of the Earth. There are two main causes for this: warmth and wetness. As this climate is constant, there are no seasons, so trees vary greatly in their flowering cycles.

4/12 • The Living Planet • 1984 • Nature

24:22

Losing a parent in the wild can be deadly for young animals, but these orphans got lucky when conservationists stepped in. Meet clouded leopard cub sisters taken in by the Nashville Zoo, a baby wombat raised in an artificial pouch at Tasmania's Bonorong Wildlife Sanctuary, and more.

S2E1 • Baby Animals • 2016 • Nature

59:10

In the wilds of the Canadian Rocky Mountains, a mother moose tends to her newborn calf. Spring is in full swing, but this far north, winter is never far away and, with hungry bears and wolves for neighbours, many challenges lie ahead. Local cameraman Hugo Kitching knows this only too well, but he is determined to follow the mother and calf through the four seasons. What unfolds is a very intimate story, and when Hugo finds a second moose calf born late in the year, things take an unexpected and dramatic turn.

Natural World • 2016 • Nature

7:10

Darwin's theory of biological evolution helps us understand how simple life forms can give rise to complex lifeforms, but how did the first reproducing creatures come about? The origin of life needs its own explanation.

Stated Clearly • Nature