2009 | 16 Episodes

Season 1 of Tosh.0 premiered on June 4, 2009.

2010 | 25 Episodes

Season 2 of Tosh.0 premiered on January 13, 2010.

2011 | 30 Episodes

Season 3 of Tosh.0 premiered on January 11, 2011.

2012 | 30 Episodes

Season 4 of Tosh.0 premiered on January 31, 2012.

2013 | 30 Episodes

Season 5 of Tosh.0 premiered on February 5, 2013.

2014 | 30 Episodes

Season 6 of Tosh.0 premiered on February 18, 2014.

2015 | 30 Episodes

Season 7 of Tosh.0 premiered on February 17, 2015.

2016 | 30 Episodes

Season 8 of Tosh.0 premiered on February 9, 2016.

2017 | 30 Episodes

Season 9 of Tosh.0 premiered on February 7, 2017.

2018 | 20 Episodes

Season 10 of Tosh.0 premiered on March 27, 2018.

2019 | 20 Episodes

Season 11 of Tosh.0 premiered on March 19, 2019.

2020 | 9 Episodes

Season 12 of Tosh.0 premiered on September 15, 2020.