Season 1 RTÉ ONE , 2009 Season 2 RTÉ ONE , 2010 Season 3 RTÉ ONE , 2010 Season 4 RTÉ ONE , 2011 Season 5 RTÉ ONE , 2012 Season 6 RTÉ ONE , 2012 Season 7 RTÉ ONE , 2013 Season 8 RTÉ ONE , 2013 Season 9 RTÉ ONE , 2013 Season 10 RTÉ ONE , 2015 Season 11 RTÉ ONE , 2015 Season 12 RTÉ ONE , 2016 Season 13 RTÉ ONE , 2016 Season 14 RTÉ ONE , 2021 Season 15 RTÉ ONE , 2022 Season 16 RTÉ ONE , 2023 Season 17 RTÉ ONE , 2023 Season 18 RTÉ ONE , 2024 - 2025