Seasons

Season 1

September 12, 2007 | 26 Episodes

Season 2

September 25, 2008 | 21 Episodes

Season 3

September 17, 2009 | 21 Episodes

Season 4

September 30, 2010 | 24 Episodes

Season 5

September 15, 2011 | 24 Episodes

Season 6

September 27, 2012 | 22 Episodes

Season 7

September 26, 2013 | 21 Episodes

Season 8

September 25, 2014 | 23 Episodes

Season 9

September 10, 2015 | 25 Episodes

Season 10

September 15, 2016 | 24 Episodes

Season 11

September 14, 2017 | 24 Episodes

Season 12

September 20, 2018 | 24 Episodes

Season 13

September 12, 2019 | 23 Episodes

Season 14

September 23, 2020 | 22 Episodes

Season 15

September 23, 2021 | 22 Episodes

Season 16

September 15, 2022 | 22 Episodes

Season 17

September 21, 2023 | 22 Episodes

Season 18

September 19, 2024 | 21 Episodes

Season 19

September 18, 2025 | 21 Episodes