19 Kids and Counting Season 15 Episode 13 Duggars Say I Do ( Air Date 2015-04-14 ) Genre Reality, Documentary, Drama, Family category. Overview "We have witnessed Josh, Jill, and Jessa tie the knot, but how did they pull off a Duggar-sized wedding? The Duggar clan along with Wedding Planner Sierra will reveal their point of view and tips in this wedding special.".