Season 1 BBC One , 2006 Series following people who protect and work closely with wildlife and domestic animals Season 2 BBC One , 2007 Series following the people who protect vulnerable wildlife and domestic animals Season 3 BBC One , 2008 Series following the people who save endangered wildlife and protect vulnerable pets. Season 4 BBC One , 2008 Series following the people who save endangered wildlife and protect vulnerable pets. Season 5 BBC One , 2009 - 2010 Host Tom Heap shadows West Yorkshire Police's mounted section and the RSPCA's mobile vets. Season 6 BBC One , 2010 Series following the people who save endangered wildlife and protect vulnerable pets. Season 7 BBC One , 2010 - 2011 Series following the people who save endangered wildlife and protect vulnerable pets. Season 8 BBC One , 2012 Series following the people who save endangered wildlife and protect vulnerable pets.