Actor Tom Conti goes in search of some of Scotland's most endangered species. With the help of local experts Tom's encounters with wildlife are richly diverse.

Maggot (of Goldie Lookin Chain fame) tracks down some of Wales' rarest wildlife, including leatherback turtles, red squirrels, grass snakes and lesser horshoe bats, and finds out what can be done to help save them.

Snooker supremo Dennis Taylor returns to his native Northern Ireland seeking out endangered wildlife, including the exotic Kingfisher, the elusive Pine Marten and the majestic Irish Hare.

Myleene Klass finds out about the plight of endangered wildlife in the East. She tracks down red deer, the bittern and the great raft spider and meets the local people who are striving to prevent some of our rarest animals from becoming extinct.

Comedian and animal lover Sean Hughes goes hunting for London's wildlife, including endangered bats in Hammersmith and otters in the East End.

Survival specialist Chris Ryan tracks down three of the North East and Cumbria's most endangered species, and tells us why we should make sure they have a future.

Comedian Rory McGrath tracks down three of the South's most endangered species, and meets the local people who are striving to prevent some of our rarest animals from becoming extinct.

Wildlife fanatic Brian Blessed gets up close to some of Yorkshire and Lincolnshire's rarest and most endangered species, including marsh harriers, great crested newts, red kites and grey seals.

Toyah Wilcox finds out about conservation projects set up to help struggling local wildlife, including the water vole, the slow worm, the salmon and even the common swan.

Dick Strawbridge goes on the trail of the south west's most endangered species.

Shobna Gulati looks at how wildlife in the north west is being protected, particularly the twite, the polecat and the grey seal.

Josie D'Arby explores how barn owls have come back from the verge of extinction in the region after two decades thanks to the work of a local hawk specialist.

Cheryl Baker tracks down three of our most elusive wild animals - the beaver, hazel dormouse and Adonis Blue butterfly - and shows how we can all help our local endangered species.

Jonathan Agnew leaves the commentary box to find out what local people are doing to protect wildlife in the East Midlands. On his travels he discovers why mountain hares, marsh moths and crayfish are all on the endangered species list.