Season 1 PBS , 2011 Season 2 PBS , 2012 Season 3 PBS , 2013 - 2014 Season 4 PBS , 2015 Season 5 PBS , 2016 Season 6 Create , 2017 Season 7 Create , 2018 Season 8 Create , 2019 Season 9 Create , 2020 Season 10 Create , 2021 Season 11 Create , 2022 Season 12 Create , 2023