Jinger said yes to marrying Jeremy and now it's time to start planning for the big day, which is just 3 months away! The family takes a trip to DC to find Jinger's perfect dress. But with more options than imagined, will she find the dress of her dreams?

Jessa and Ben listen to the heartbeat of Baby #2, which makes them wonder if it's twins. They travel to see friend Flame in concert, and Ben takes center stage. Jinger continues with wedding planning and finalizes important details.

Jinger packs for her move to Texas, which includes a surprise gift from her family, before she, Jeremy and Jed drive to her future home; the siblings take a trip down memory lane by remembering Jinger through the years.

After months of planning, Jinger's wedding day has arrived and the final details, from dress fittings to surprise decorations, are put into place as family and friends come together to celebrate the new Mr. and Mrs. Vuolo.

Jinger and Jeremy have said "I do," and now the newlyweds finally get to enjoy some alone time. Mr. and Mrs. Vuolo head down under for their honeymoon in Australia. Meanwhile, back in Arkansas, another Duggar enters a courtship.