The thief Mysterious Joker doesn't just steal things. An audacious and elusive miracle-maker, he travels the world searching for treasure with his partner and cook Hachi. As they circle the globe, they must avoid traps set by the police and compete in various competitions to reach their final goal, the Timeslip Treasure.
Season 4 serves as a quest for Joker to find the ancient treasure. However, Devil Fang continues to target him and his gang with new hunters and Phantom Thieves after them. Dr. Neo have planned against Phoenix and Hosshi for his own goals.
Overview：The thief Mysterious Joker doesn't just steal things. An audacious and elusive miracle-maker, he travels the world searching for treasure with his partner and cook Hachi. As they circle the globe, they must avoid traps set by the police and compete in various competitions to reach their final goal, the Timeslip Treasure.
