Series in which brave individuals volunteer to experience life as an animal for four long days.

The volunteers sleep among pigs, eat like pigs and even learn to speak like pigs. By the end of the experience our wannabe Dr Dolittles will learn everything they need to know about a pig's life in Britain, from the cradle to the grave.

Two brave individuals volunteer to experience life as an animal for four very long days.

With the help of horse-behaviour experts, the two aspirant Dr Dolittles learn to sleep, eat and communicate like a horse. They will need all these skills to face their biggest challenge - to rise up through the horse hierarchy and become leader of the herd.

But for one of the would-be horses, trying to be accepted by the herd proves more difficult and more painful than they had ever imagined.

Two brave individuals volunteer to experience life as an animal for four very long days.

With the help of dog-behaviour experts, the two aspirant Dr Dolittles swap their human lives for those of working dogs. Extreme sportsman Ed Leigh moves into a kennel with 33 male foxhounds, while former Lara Croft model Lucy Clarkson tries life as a sheepdog on a working sheep farm.

Two brave individuals volunteer to experience life as an animal for four days.

Farmer's daughter Char Counsell becomes a Harbour seal, while extreme sportsman Johno Verity becomes a Humboldt penguin. For the first time in the series, they won't be living in the wild or on a farm, but experience their animal lives in captivity, in a sealife sanctuary. Johno and Char learn to live, eat and swim like their animals, and even gain an insight into their sex lives.

A look back at the finest moments of the series in which two brave individuals volunteered to experience life as an animal for four long days.

The contributors tell the story of their experiences, as we discover what these modern day Dr Doolittles really learned about the animals they shared a home with, how they coped with the food they had to eat, what it's like to wallow like a pig, defend your food from hungry foxhounds, swim like a seal, mate like a penguin and be kicked by a horse.

Has the experience made them re-evaluate their own lives and what has changed for them now they are back in the human world?