Season 1 PBS Kids , 2010 - 2012 Watch now Season 2 PBS Kids , 2012 - 2014 Watch now Season 3 PBS Kids , 2014 - 2015 Watch now Season 4 PBS , 2015 - 2017 Watch now Season 5 PBS Kids , 2017 - 2019 Watch now Season 6 PBS , 2019 - 2020 Watch now Season 7 PBS , 2023 - 2024 Watch now