David Attenborough profiles the tree-dwellers of the animal kingdom, as primates, bats and squirrels perform complicated manoeuvres in the world's forests. Whether aided by sharp claws, webbed feet or gripping tails, these animals play a complicated game of survival with predators lurking below, ready to make a meal of those who fail to stay aloft

David Attenborough examines the hunting tactics of the world's carnivores. Arctic foxes in the frozen north must collect food during warmer times to survive the winter, while the big cats of the southern hemisphere rely on stealth and surprise to catch each meal. The presenter also reveals how leopards and tigers are solitary hunters, coming together only to mate, whereas lions stay in family groups so they can tackle larger prey and better protect their young

David Attenborough explores the world of omnivores, nature's generalists, revealing their myriad talents in the wild and how some species have adapted to man's encroachment into their habitats by making their homes in cities and towns

David Attenborough swims alongside sea otters, discovering he is no match for their natural agility in the water, while in Florida he takes a dip with manatees for the first time and observes their feeding habits. On the coast of California, he encounters the largest mammals on the planet, blue whales, and reveals how they, along with porpoises and dolphins, learned to court, mate and give birth in the water

David Attenborough profiles the tree-dwellers of the animal kingdom, as primates, bats and squirrels perform complicated manoeuvres in the world's forests. Whether aided by sharp claws, webbed feet or gripping tails, these animals play a complicated game of survival with predators lurking below, ready to make a meal of those who fail to stay aloft

David Attenborough examines the hunting tactics of the world's carnivores. Arctic foxes in the frozen north must collect food during warmer times to survive the winter, while the big cats of the southern hemisphere rely on stealth and surprise to catch each meal. The presenter also reveals how leopards and tigers are solitary hunters, coming together only to mate, whereas lions stay in family groups so they can tackle larger prey and better protect their young

Michael Portillo visits Leuchars, known nowadays on the railways as Leuchars for St Andrews, which is Scotland's oldest university and is located on a beautiful beachfront

The Ford Focus is put through its paces, the Ferrari Enzo burns rubber on the track, and the supercars of the 1980s are pitted against their modern-day counterparts. There's a race between a child on a skateboard and a turbo-charged rally car, and Geri Horner is the Star in a Reasonably Priced Car

Jeremy Clarkson puts the Land Rover Discovery 3 through its paces when he takes it off road. The BMW 1 Series' progress in the small hatchback market is investigated, the world's first hydrofoil car is revealed and Joanna Lumley is the Star in a Reasonably Priced Car

The Aston Martin Vanquish S is pitted against the Ferrari 575, while James May and Richard Hammond spend 24 hours in the Smart Forfour. Comedian Jimmy Carr features as the Star in a Reasonably Priced Car

The Ford Focus is put through its paces, the Ferrari Enzo burns rubber on the track, and the supercars of the 1980s are pitted against their modern-day counterparts. There's a race between a child on a skateboard and a turbo-charged rally car, and Geri Horner is the Star in a Reasonably Priced Car

Jeremy Clarkson puts the Land Rover Discovery 3 through its paces when he takes it off road. The BMW 1 Series' progress in the small hatchback market is investigated, the world's first hydrofoil car is revealed and Joanna Lumley is the Star in a Reasonably Priced Car

The Aston Martin Vanquish S is pitted against the Ferrari 575, while James May and Richard Hammond spend 24 hours in the Smart Forfour. Comedian Jimmy Carr features as the Star in a Reasonably Priced Car

The Ford Focus is put through its paces, the Ferrari Enzo burns rubber on the track, and the supercars of the 1980s are pitted against their modern-day counterparts. There's a race between a child on a skateboard and a turbo-charged rally car, and Geri Horner is the Star in a Reasonably Priced Car

Jeremy Clarkson puts the Land Rover Discovery 3 through its paces when he takes it off road. The BMW 1 Series' progress in the small hatchback market is investigated, the world's first hydrofoil car is revealed and Joanna Lumley is the Star in a Reasonably Priced Car

Terry helps out at the youth club by attempting to assemble a table-tennis table

Terry gets involved in a bout of one-upmanship when he discovers that a junior colleague has a satellite dish