Season 1
10 episodes
30 May 2005 - 1 August 2005
Season 2
10 episodes
12 June 2006 - 14 August 2006
Season 3
11 episodes
4 June 2007 - 13 August 2007
Season 4
15 episodes
1 April 2008 - 8 July 2008
Season 5
15 episodes
29 January 2009 - 14 May 2009
Season 6
15 episodes
21 July 2009 - 13 October 2009
Season 7
15 episodes
1 June 2010 - 10 August 2010
Season 8
15 episodes
22 September 2010 - 15 December 2010
Season 9
16 episodes
18 July 2011 - 19 September 2011
Season 10
20 episodes
4 June 2012 - 10 September 2012
Season 11
22 episodes
12 March 2013 - 25 July 2013
Season 12
20 episodes
13 March 2014 - 24 July 2014
Season 13
16 episodes
10 September 2014 - 17 December 2014
Season 14
16 episodes
3 March 2015 - 9 June 2015
Season 15
16 episodes
15 January 2016 - 29 April 2016
Season 16
16 episodes
23 September 2016 - 2 February 2017
Season 17
16 episodes
29 September 2017 - 2 February 2018
Season 18: Rookies vs. Veterans
16 episodes
28 September 2018 - 8 February 2019
Season 19
16 episodes
7 January 2021 - 22 April 2021
Season 20: Young Guns
16 episodes
31 May 2021 - 13 September 2021
Season 21: Battle of the Ages
16 episodes
29 September 2022 - 9 February 2023
Season 22
16 episodes
28 September 2023 - 25 January 2024
Season 23
16 episodes
26 September 2024 - 6 February 2025
