Season 1 PBS , 2017 Season 2 PBS , 2018 - 2019 Season 3 PBS , 2019 - 2020 Season 4 PBS , 2020 - 2021 Season 5 PBS , 2021 - 2022 Season 6 PBS , 2022 - 2023 Season 7 PBS , 2023 - 2024