1화: 조커가 크리스탈 스컬 키를 노리고 신비로운 소년이 그를 쫓는다
2016년 4월 4일 방영
The mysterious organization Devil's Fang is unearthing the Crystal Skull Key from an ancient ruin in order to lure out Joker, when a mysterious shadow wreathed in flames emerges from a nearby stone coffin. Joker infiltrates Mr. Kaneari's Golden Museum in order to take the Crystal Skull Key as his 999th treasure, where he meets a boy named Akai Tsubasa, who seems to want to follow Joker around. Can they break through a gauntlet of perilous traps to get the key? And who is Akai Tsubasa, really? (Source: Crunchyroll)