Season 1 Discovery , 2005 - 2006 Watch now Season 2 Discovery , 2006 Watch now Season 3 Discovery , 2006 Watch now Season 4 Discovery , 2007 Watch now Season 5 Destination America , 2012 Watch now Season 6 Destination America , 2013 Watch now Season 7 Destination America , 2014 - 2015 Watch now Season 8 Destination America , 2016 Watch now Season 9 TLC , 2016 - 2017 Watch now Season 10 T+E , 2017 - 2018 Watch now Season 11 Travel Channel , 2019 Watch now Season 12 Travel Channel , 2021 - 2022 Watch now