Zoo Revolution takes the viewer deep inside the increasingly controversial debate about the value of zoos in the 21st century. Are zoos an old-fashioned and outmoded way of displaying animals for entertainment - an idea whose time has come and gone? Or are zoos more important than ever before, at the vanguard of species-survival and public education? Zoo Revolution presents experts and animal lovers on both sides of the argument in Canada, the UK, the USA, Germany and Australia.