Zatch is haunted by a nightmare about Naomi. The next day he decides to challenge Naomi to a duel, and if he wins, Naomi will have to stop bullying him. Kiyo and his friends meanwhile visit the zoo. There they learn that an African Lion by the name of Gabriel has escaped from the zoo. Back with Zatch, Zatch loses the first and second competition against Naomi. In the third competition, Zatch is left in a pit-hole and Vulcan is tied up on a pole. Later one of the playground kids tell Zatch that Naomi has become stranded on a cliff. Zatch arrives and sees that a lion is with Naomi on the cliff. Wanting to help Naomi, Zatch climbs down but becomes stranded on a tree branch. Naomi seeing Zatch in danger climbs up the cliff and saves Zatch from the lion. Shortly after, the lion is captured and Zatch's dream about Naomi being the lizard queen comes true.
Zatch è spaventato da un incubo su Naomi. Il giorno dopo decide di sfidarla ad un duello e se lui vince Naomi dovrà smettere di trattarlo male.
Zatch es perseguido por una pesadilla sobre Naomi. Al día siguiente se decide desafiar a Naomi a un duelo, y si gana, Naomi tendrá que dejara de intimidación. Kiyo y sus amigos por su parte visitan el zoológico. No se enteran de que un león africano con el nombre de Gabriel ha escapado del zoo.
ある休日、清麻呂が動物園に行こうとガッシュを誘う。喜ぶかと思いきや、神妙な面持ちで断り、勇ましく家を出て行くガッシュ。今日こそイジメるのを止めてもらおうと、天敵のナオミちゃんに三本勝負を申し込んでいたのだ。決闘の舞台はもちろん、モチノキ公園。今、決戦の火ぶたが切って落とされる!