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3 seasons - 22 episodes
NCT 127 embarks on a trip to the beautiful and mysterious island of Somuuido. But their excitement of the picturesque scenery doesn't last long. They are stranded alone, and the island holds a huge secret. With the help of an old journal left by a ship captain, they have to find five treasures within 72 hours to escape. Will NCT 127 be able to escape successfully?
TVXQ and Super Junior are treated to a luxury holiday by SM Entertainment in Bali, Indonesia. However, when they return to their rooms after dinner, they find that their belongings have been taken and they've been left with a backpack each. Their company has "transported" them back in time to 2002 when they were trainees; they have limited money, analog cameras and MP3s filled with songs from 2002 and before, old mobile phones, and a guitar. To "return" to 2019, they must go around Yogyakarta with their limited funds, and go on different tourist trips, taking photos and experiencing Indonesia whilst becoming closer together and strengthening their bond.