Season 1
18 episodes · 2004
Season 2
18 episodes · 2005
Season 3
16 episodes · 2005
Season 4
19 episodes · 2005
Season 5
19 episodes · 2005
Season 6
16 episodes · 2006
Season 7
16 episodes · 2006
Season 8
16 episodes · 2006
Season 9
20 episodes · 2006
Season 10
20 episodes · 2006
Season 11
12 episodes · 2007
Season 12
50 episodes · 2007
Season 13
64 episodes · 2007
Season 14
64 episodes · 2008
Season 15
83 episodes · 2008
Season 16
90 episodes · 2010
Season 17
20 episodes · 2013