Season 1 ZDF , 2015 Watch now Season 2 ZDF , 2016 Watch now Season 3 ZDF , 2017 Watch now Season 4 ZDF , 2017 - 2018 Watch now Season 5 ZDF , 2018 - 2019 Watch now Season 6 ZDFmediathek , 2019 - 2020 Watch now Season 7 ZDFmediathek , 2020 - 2021 Watch now Season 8 ZDFmediathek , 2021 - 2022 Watch now Season 9 ZDFmediathek , 2022 - 2023 Watch now Season 10 ZDFmediathek , 2023 - 2024 Watch now