Season fifteen began airing on February 17, 2015, and finished airing on May 19, 2015. It contained nineteen regular episodes and two special episodes: “Jessa’s Wedding” which aired on March 31, 2015 and “ Jill's Special Delivery" which aired on May 5, 2015. This was the last season before the show was cancelled, and later replaced by “Counting On”.
Season eleven began airing on April 2, 2013, and finished airing on May 21, 2013. The season contained twelve regular episodes and three special episodes: "Duggars Do Asia: Tokyo, Japan", which aired on March 12, 2013, "Duggars Do Asia: Kyoto, Japan", which aired on March 19, 2013,", "Duggars Do Asia: Beijing, China", which aired on March 26, 2013 and "GrandDuggar Makes 3!", which aired on June 16, 2013.
Season eight began airing on September 27, 2011, and finished airing on November 8, 2011. The season included ten regular episodes and three special episodes: "Duggars World Tour: Scotland & Ireland", which aired on November 13, 2011, "World Tour: Royal Duggars", which aired on November 20, 2011, and "World Tour: Duggars Last Stop", which aired on November 27, 2011.