Season 1 NHK World , 2012 Season 2 NHK World , 2013 - 2017 Season 3 NHK World , 2014 Season 5 NHK World , 2016 Season 6 NHK World , 2017 Season 7 NHK World , 2018 Season 8 NHK World , 2019 Season 9 NHK World , 2020