Planet Earth: Dynasties

Narrated by Sir David Attenborough, One mother has been forced to leave her territory, taking her unusually large litter of four cubs with her. With so many mouths to feed, she must quickly establish a new territory during one of the planet's most brutal winters.

BBC America: Narrated by Sir David Attenborough: A new matriarch, whose herd have failed to breed successfully for over two years, must now guide her family through the hardest drought in living memory. Will she lead her newborn calves on a dangerous trek?

BBC America: Narrated by Sir David Attenborough: A Cheetah mother and her three growing daughters travel thousands of kilometers every year, roaming their vast territory, on the search for food. Their mother too faces new challenges as the wet season arrives.

BBC America: Narrated by Sir David Attenborough: On the vast Zambian plains, a clan of hyenas must pull together to survive. The seemingly desolate territory could be the key to their success - holding onto it until the wildebeest return will be vital.

BBC America: Narrated by Sir David Attenborough: On the shores of a vast salt pan in Botswana, lives a family of Meerkats - led by an inexperienced queen. The first litter of pups in months has just emerged from the den, and the adults must pull together.

BBC America: Narrated by Sir David Attenborough: High in the mountains of Morocco lives a descendant of a long line of Macaque rulers. She has been in charge of this troupe for one of the longest recorded reigns - but this year is likely to be her last.

BBC America: Narrated by Sir David Attenborough: Behind the scenes footage of how this breathtaking series was filmed.