Season 1 of Who Do You Think You Are? premiered on March 5, 2010.

Season 2 of Who Do You Think You Are? premiered on February 4, 2011.

Season 3 of Who Do You Think You Are? premiered on February 3, 2012.

Season 4 of Who Do You Think You Are? premiered on July 23, 2013.

Season 5 of Who Do You Think You Are? premiered on July 23, 2014.

Season 6 of Who Do You Think You Are? premiered on March 8, 2015.

Season 7 of Who Do You Think You Are? premiered on July 26, 2015.

Season 8 of Who Do You Think You Are? premiered on April 3, 2016.

Season 9 of Who Do You Think You Are? premiered on March 5, 2017.

Season 10 of Who Do You Think You Are? premiered on May 21, 2018.

Season 11 of Who Do You Think You Are? premiered on December 3, 2018.

Season 12 of Who Do You Think You Are? premiered on July 10, 2022.