Season 1
13 episodes · Apr 22, 2007 · 7.3
Season 2
15 episodes · Apr 3, 2008 · 5.8
Season 3
14 episodes · Jun 10, 2009
Season 4
12 episodes · Dec 31, 2009
Season 5
13 episodes · May 1, 2011
Season 6
13 episodes · Oct 1, 2012 · 8.0
Season 7
13 episodes · Dec 2, 2013 · 7.5
Season 8
16 episodes · Oct 13, 2014 · 8.5
Season 9
19 episodes · Apr 5, 2016 · 8.2
Season 10
13 episodes · Oct 4, 2017 · 8.6
Season 11
13 episodes · Apr 24, 2019 · 8.5
Season 12
16 episodes · May 29, 2020 · 8.7
Season 13
8 episodes · Nov 18, 2022 · 8.1
Season 14
8 episodes · Nov 8, 2023 · 8.1
Season 15
8 episodes · Nov 18, 2024 · 7.3
Season 16
8 episodes · Nov 18, 2025 · 8.5
