TV Guide Sky Nature Sunday

The work of a school in Indonesia where orphaned orangutans are given training and support from human surrogate mothers to grow into independent adults. Baby orangutan Topan is in need of a surrogate mum, while 16-year-old Kasper busily prepares for graduation.

Part one of two. Biologist Patrick Aryee explores how cats have evolved throughout the millennia, learning to thrive in inhospitable environments, as well as becoming the world's most popular pet. In the first edition there is spectacular footage of caracals jumping three metres to catch flying birds, and a rare Bornean bay cat, which was thought to have been extinct. Patrick finds out how tigers made the transition from South-east Asia's steamy jungles to the -40C temperatures of Siberia, and meets 'lion whisperer' Kevin Richardson

Patrick Aryee concludes his two-part exploration of the feline family tree, revealing how the Canadian lynx learned to thrive in the snow and spread out, evolving and inhabiting new parts of the Americas. In Belize, he mounts an experiment that showcases the margay's supersharp senses and gravity-defying acrobatics, and heads to the training track with a cheetah to find out what speed it is capable of. Finally, Patrick tells the story of the cat's domestication in Essaouira, Morocco, believed to be one of the first places where one particular species first gave up life in the wild in return for food, warmth, security and a home