The besties gather to head to Australia; they enjoy their first meal together in Australia with the ingredients bought from the mart; the members enjoy separate activities after visiting the Decision Room.

The members start their Australian trip in earnest; Sang Yi, Ji Yeon and Yoo Young head to the sanctuary; Kyu Hyong and Suho head to the Island of Mystery and go on an underwater expedition.

The besties leave the Gold Coast and arrive at Airlie Beach; an unexpected incident shocks everyone before they head out to the ocean.

Seo Won's solo tour begins as he still hasn't found his besties yet; the other members enjoy a great time at the floating resort.

The besties share their last moments in Australia with Suho as he has to head back to Korea; the remaining members leave Airlie Beach and head to the unknown world of Cairns.