Season 1 of Zelig premiered on May 5, 1997.

Season 2 of Zelig premiered on April 27, 1998.

Season 3 of Zelig premiered on May 11, 1999.

Season 4 of Zelig premiered on March 30, 2000.

Season 5 of Zelig premiered on October 9, 2000.

Season 6 of Zelig premiered on January 7, 2002.

Season 7 of Zelig premiered on January 21, 2003.

Season 8 of Zelig premiered on February 20, 2004.

Season 9 of Zelig premiered on February 4, 2005.

Season 10 of Zelig premiered on January 27, 2006.

Season 11 of Zelig premiered on September 28, 2007.

Season 12 of Zelig premiered on September 29, 2008.

Season 13 of Zelig premiered on January 19, 2010.

Season 14 of Zelig premiered on January 14, 2011.

Season 15 of Zelig premiered on January 13, 2012.

Season 16 of Zelig premiered on January 14, 2013.

Season 17 of Zelig premiered on October 9, 2014.

Season 18 of Zelig premiered on December 1, 2016.

Season 19 of Zelig premiered on November 18, 2021.

Season 20 of Zelig premiered on November 9, 2022.

Season 21 of Zelig premiered on November 23, 2023.

Season 22 of Zelig premiered on January 15, 2025.