Season 1 The Exterminators A&E , 2009 Watch now Season 2 Billy the Exterminator A&E , 2010 Watch now Season 3 A&E , 2010 Watch now Season 4 A&E , 2011 Watch now Season 5 A&E , 2012 Watch now Season 6 A&E , 2012 Watch now Season 7 Billy Goes North A&E , 2017 Watch now