Season 1 BBC One Wales , 2007 Watch now Season 2 BBC One Wales , 2008 Season 3 BBC One Wales , 2010 Season 4 BBC One Wales , 2011 Season 5 BBC One Wales , 2012 Season 6 BBC One Wales , 2013 Season 7 BBC One Wales , 2014 Watch now Season 8 BBC One Wales , 2015 Season 9 BBC One Wales , 2015 Watch now Season 10 BBC One Wales , 2017 Watch now Season 11 BBC One Wales , 2018 Season 12 The Welsh Coast BBC One Wales , 2019 Season 13 The Welsh Coast - Series 2 BBC One Wales , 2020 Season 14 BBC One Wales , 2021 Season 2021 BBC One Wales , 2021 Season 2022 BBC One Wales , 2022 Season 2023 BBC iPlayer , 2023