Season 1 ZDF , 2007 Watch now Season 2 ZDF , 2007 - 2008 Watch now Season 3 ZDF , 2008 - 2009 Watch now Season 4 ZDF , 2009 - 2010 Watch now Season 5 ZDF , 2010 - 2011 Watch now Season 6 ZDFmediathek , 2011 - 2012 Watch now Season 7 ZDFmediathek , 2012 - 2013 Watch now Season 8 ZDFmediathek , 2013 Watch now Season 9 ZDFmediathek , 2014 - 2015 Watch now Season 10 ZDFmediathek , 2015 - 2016 Watch now Season 11 ZDFmediathek , 2016 - 2017 Watch now Season 12 ZDFmediathek , 2017 - 2018 Watch now Season 13 ZDF , 2018 - 2019 Watch now Season 14 ZDFmediathek , 2019 - 2020 Watch now Season 15 ZDFmediathek , 2020 - 2021 Watch now Season 16 ZDFmediathek , 2021 - 2022 Watch now Season 17 ZDFmediathek , 2022 - 2023 Watch now Season 18 ZDFmediathek , 2023 - 2024 Watch now
, 2007 - 2008
, 2008 - 2009
, 2009 - 2010
, 2010 - 2011
, 2018 - 2019
