Season 0 of Mayday premiered on June 26, 2004.

Season 1 of Mayday premiered on September 3, 2003.

Season 2 of Mayday premiered on January 23, 2005.

Season 3 of Mayday premiered on September 14, 2005.

Season 4 of Mayday premiered on April 15, 2007.

Season 5 of Mayday premiered on April 9, 2008.

Season 6 of Mayday premiered on December 16, 2007.

Season 7 of Mayday premiered on November 4, 2009.

Season 8 of Mayday premiered on June 10, 2009.

Season 9 of Mayday premiered on September 8, 2010.

Season 10 of Mayday premiered on February 28, 2011.

Season 11 of Mayday premiered on August 12, 2011.

Season 12 of Mayday premiered on August 3, 2012.

Season 13 of Mayday premiered on December 16, 2013.

Season 14 of Mayday premiered on January 5, 2015.

Season 15 of Mayday premiered on January 2, 2016.

Season 16 of Mayday premiered on June 7, 2016.

Season 17 of Mayday premiered on February 20, 2017.

Season 18 of Mayday premiered on February 13, 2018.

Season 19 of Mayday premiered on January 2, 2019.

Season 20 of Mayday premiered on January 9, 2020.

Season 21 of Mayday premiered on April 4, 2021.

Season 22 of Mayday premiered on January 10, 2022.

Season 23 of Mayday premiered on February 13, 2023.

Season 24 of Mayday premiered on February 18, 2024.

Season 25 of Mayday premiered on February 3, 2025.