‘ Below Deck Down Under ’ Season Finale Details Air DateWelcome! Reunion Down Under Below the Deck is an thrilling event comprising of emotional encounters. Below the deck, old buddies reunite to reestablish, commemorate memories, and forge new relationships. Be sure not to miss the Beneath the Deck Down Under Reunion because it promises unparalleled excitement. Let's uncover what occurs when cast members from the show come together in this astonishing underneath the hull reunion.