Season 1 of Unsung premiered on November 30, 2008.

Season 2 of Unsung premiered on June 7, 2009.

Season 3 of Unsung premiered on March 22, 2010.

Season 4 of Unsung premiered on June 6, 2011.

Season 5 of Unsung premiered on February 27, 2012.

Season 6 of Unsung premiered on October 30, 2013.

Season 7 of Unsung premiered on July 30, 2014.

Season 8 of Unsung premiered on June 3, 2015.

Season 9 of Unsung premiered on June 1, 2016.

Season 10 of Unsung premiered on January 4, 2017.

Season 11 of Unsung premiered on July 9, 2017.

Season 12 of Unsung premiered on May 20, 2018.

Season 13 of Unsung premiered on March 3, 2019.

Season 14 of Unsung premiered on February 23, 2020.

Season 15 of Unsung premiered on March 21, 2021.

Season 16 of Unsung premiered on February 27, 2022.