Season 1
Sep 7, 200377 episodes
Season 2
Sep 5, 2004180 episodes
Season 3
Sep 4, 2005170 episodes
Season 4
Sep 3, 2006124 episodes
Season 5
Sep 3, 200783 episodes
Season 6
Sep 7, 200886 episodes
Season 7
Sep 5, 2009139 episodes
Season 8
Sep 12, 2010171 episodes
Season 9
Sep 11, 2011171 episodes
Season 10
Sep 9, 2012189 episodes
Season 11
Sep 8, 2013175 episodes
Season 12
Sep 7, 20146 episodes
Season 13
Sep 7, 2015101 episodes
Season 14
Aug 31, 201643 episodes
Season 15
Sep 4, 201723 episodes
Season 16
Sep 3, 201810 episodes
Season 17
Sep 8, 201936 episodes
Season 18
Sep 20, 2020174 episodes
Season 19
Season FinaleSep 12, 2021129 episodes