2/15 The touching story of a rescued giant otter cub being raised by a Brazilian naturalist.
Steve Backshall is on a mission to summit a remote, unclimbed mountain deep in the Arctic.
6/6 Examining why some species fight and what skills a winner must have.
3/6 The team seek out the ideal locations to discover the pleasure of seaside leisure.
David Attenborough returns to the island of Madagascar on a very personal quest.
3/3 David Attenborough reflects on his reasons for becoming a staunch conservationist.
2/2 Chris Jackson and his team head for one of the most active volcanoes on the planet.
2/3 Looking at the colourful wildlife of east Africa's lakes and rivers.
3/3 Gordon Buchanan meets the tribes who have learnt to live with crocodiles.
The team search for tigers in northern Burma and in Karen State in the far south.