Season 1
52 episodes · Apr 23, 2005
Season 2
47 episodes · Jul 15, 2006
Season 3
52 episodes · Aug 25, 2007
Season 4
52 episodes · Sep 19, 2008
Season 5
40 episodes · Dec 13, 2009
Season 6
41 episodes · Sep 2, 2011
Season 7
12 episodes · Sep 21, 2012
Season 8
2 episodes · Feb 24, 2013
Season 11
2 episodes · Feb 27, 2015
Season 13
51 episodes · Mar 3, 2017
Season 14
35 episodes · Feb 22, 2018
Season 15
30 episodes · Feb 22, 2019
Season 16
24 episodes · Mar 6, 2020
Season 17
27 episodes · Feb 26, 2021
Season 18
22 episodes · Sep 9, 2022
Season 19
25 episodes · Mar 3, 2023
Season 20
27 episodes · Mar 1, 2024
Season 21
26 episodes · Feb 28, 2025
