Below Deck Down Under When is the Season 1 finale and Hi! Below the Deck Down Under Reunion is an thrilling event filled with passionate experiences. Beneath the deck, old friends reunite to reconnect, celebrate memories, and build new bonds. Don't miss the Underneath the Deck Down Under Reunion since it promises unparalleled excitement. Let's explore what occurs when participants members from the show come together in this remarkable underneath the hull get-together.