The Enemy Within • 2017 • episode "S2E1" • Savage Kingdom

46:59

He gets up close and personal for the first time with a group of orphans and takes part in an ancient ceremony, before setting off into the bush in search of a herd to follow. Following potentially dangerous encounters with a buffalo and a pride of lions, Lev finds his first herd, but is forced to leave them alone when one threatens to charge.

S1E1 • Walking with Elephants with Levison Wood • 2020 • Nature

48:03

The Nsefu lion pride of Zambia are in an enviable position, with a litter of new cubs, control of the best territory on the Luangwa River, and strong males to protect them. But as the cubs grow older, pressure mounts as they begin to understand their roles and how every misstep can threaten the very existence of their family.

S1E5 • Africa's Hunters • 2015 • Nature

49:28

The first episode tells how invertebrates became the first creatures of any kind to colonise dry land. Their forerunners were shelled and segmented sea creatures that existed 400 million years ago. Some of them ventured out of the water to lay their eggs in safety, and Attenborough compares those first steps with today's mass spawning of horseshoe crabs off the Atlantic coast of North America.

Part 1 • Life in the Undergrowth • 2005 • Nature

59:01

This edition follows the plight of some of the youngest and most vulnerable of the mountain gorilla population. Includes the two young orphans whose mothers were callously murdered in execution-style killings, the young female battling with new emotions, and the new gorilla king struggling to keep hold of the group he fought so hard to win. Discover how they cope in this exploration of what the future holds for the remaining last few hundred mountain gorillas.

S1E3 • Mountain Gorilla • 2010 • 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

59:02

The first three critical months are when our animal babies have to rapidly get to grips with their new family and the challenges of environment that surrounds them.

S1E1 • Animal Babies: First Year on Earth • 2019 • Nature