Season 1 YouTube, 2003 Watch now Season 2 YouTube, 2004 Watch now Season 3 YouTube, 2004 - 2005 Watch now Season 4 YouTube, 2005 - 2006 Watch now Season 5 YouTube, 2006 - 2007 Watch now Season 6 YouTube, 2008 - 2010 Watch now Season 7 YouTube, 2009 - 2010 Watch now Season 8 YouTube, 2010 Watch now Season 9 YouTube, 2011 Watch now Season 10 YouTube, 2012 Watch now Season 11 YouTube, 2013 Watch now Season 12 YouTube, 2014 Watch now Season 13 YouTube, 2015 Watch now Season 14 YouTube, 2016 Watch now Season 15 YouTube, 2017 - 2018 Watch now Season 16 YouTube, 2018 - 2019 Watch now Season 17 YouTube, 2019 - 2020 Watch now Season 18 YouTube, 2020 - 2021 Season 19 YouTube, 2021