Season 1 · 150 episodes
In a deserted area, a large structure rises from the ground. Elsewhere, a Mamodo named Ted and his partner Jido arrive in town, Ted searching for a job to pay for lodging. Ted wanders into a park, after failing to find a job, finds a box t…
The battle between Ted and Arth continues with Arth gaining the advantage. Kiyo realizes that Arth's sword absorbs energy which explains Zatch's exhaustion from the battle.
As Ted and Jido prepare to leave, Jido's motorcycle breaks down and he orders Ted to go buy a new spark plug. While searching for the bike store with Zatch, Ted smells Cherish's fragrance and spots a girl with long brown hair wearing a hat…
Kiyo receives a letter from Kafk Sunbeam who tells him that he has bought and moved into a home near Kiyo's house. Kiyo decides to go buy Sunbeam a house-warming gift at the department store and Zatch decides to invite some friends to the …
Kiyo continues his research on the strange structure but to no avail. Elsewhere, a young man named Gurab and his Mamodo Koral-Q reveal their target to be Kiyo and Zatch.
Ast the battle with Koral-Q begins, he reveals that no one in Japan will be able to defeat him and that he shall defeat Tia and Ponygon after Zatch.
Kiyo and Zatch’s battle with Koral-Q and Gurab continues as Koral-Q reveals that he knew about Zofis and the thousand year Mamodos and calls Kiyo and Zatch fools for attempting to fight Zofis.
After have fun around town, Zatch finds a manga titled "Ka-chan Tazunete Sanzenri", a parody of 3000 Leagues in Search of Mother. Zatch inspired by the story, decides to go to town and search for motherly people to see if he can regain his…
Sunbeam is told that he must go to Hokkaidō for a week of training so he leaves his Mamodo Ponygon with Kiyo and Zatch. Zatch seeing how badly Ponygon wanted to go with Sunbeam helps Ponygon sneak aboard a plane to follow Sunbeam.
Ponygon's battle with Kardio continues as he is overwhelmed by Kardio's attacks. After Kardio freezes Sunbeam’s legs to prevent him from moving. Ponygon’s determination to save his friend reveals a new spell.
Dr. Riddles and Big Boing arrive at Kiyo's house to share information about the weird structure. After Big Boing shows Kiyo a dance, they head to the airport to pick up Megumi and Tia; Folgore and Kanchome; and Li-en and Wonrei.
Kiyo and Zatch see their friends off at the airport. Suzy after seeing a couple ice-skate on television asks Kiyo if he would like to go ice skating. Kiyo's classmate overhears this and decide to come also in order to defeat Kiyo in ice sk…
Zatch receives a letter addressed to him from one of his friends from the Mamodo world, Rein, who asks Zatch to burn his book. Kiyo and Zatch decide to take a plane to Southern Asia to meet Rein and his book owner and discover the reason f…
Before deciding to burn Rein's book or not, Kiyo and Zatch decide to train Kyle to be more courageous so he may oppress Jill, the woman who took over his home and inheritance.
Zatch and Kiyo are overwhelmed by Rodeux, his partner Chita, Purio and Lupa. Rein seeing Zatch courageously battle reminds him of the first time he met Zatch.
As the battle with Rodeux continues, Kyle casts a spell which creates giant claws that push Rodeux back. Rodeux attempts to attack Kyle but is intercepted by Zatch's "Zakeruga". Kyle then casts Reins strongest spell and defeats Rodeux.
Wonrei acts strangely one day so Li-en follows him. She follows him to a store with a tv and presumes he wants to buy a television. She continues to follow him and sees him with a woman and assumes he is cheating on her.
A professor named Dartangan visits Kiyo and tells him he has taken Kiyo's research experiment before jumping out the window. Megumi and Sunbeam arrive and ask Kiyo if he has seen Tia or Ponygon. They decide to investigate the park and find…
Megumi leaves Tia in the care of Kiyo while she travels around the world on a concert tour. After playing with Zatch and Ponygon, they head to sleep. While sleeping, Zatch asks Tia why she is so spirited and she starts to tell Zatch what h…
Zatch, Ponygon, and Tia are living in harmony. While playing at the park, they are approached by a woman named Elle Chivas searching for a child that looks like a rabbit and monkey.
The battle between Tia and Momon continues as Tia tries to hit Momon with "Saisu" but he dodges it. Elle reads Momon's spells, with no knowledge of their effects, which Momon uses to flip Tia's skirt and stare at her panties. Tia's anger c…
Zatch and Ponygon are taken to a festival by Kiyo's mother. Once there, Zatch separates from them and meets up with a rich girl named Natsuko who snuck away from her bodyguards in order to enjoy the festival.
Kiyo invites Megumi and Tia to talk about the mysterious structure and a group that is recruiting Mamodos for unknown reasons. Elsewhere, Jido and Ted run into Bari and Gustav and they quickly become enemies.
Kiyo's classmates invite him to go on a hiking trip, which he accepts. The next day, Zatch and Ponygon follow Kiyo on the hiking trip and Suzy reveals she stayed up late making a present for Kiyo.
Kiyo contacts his allies to come with him to investigate the weird structure. However, Kiyo receives a phone call from Dr. Riddles revealing that Li-en and Wonrei are missing. He receives a picture that reveals the last people that visited…
Momon refuses to show the team where Faudo is located. Meanwhile, the plane Folgore and Kanchome are on starts to experience technical difficulty and is unable to release its front wheels to land.
The team is discouraged after realizing Faudo is a giant Mamodo. Elsewhere, Dufort and Zeno while on their way to Faudo, reveal that Faudo can be controlled and that is why people are after its power. Riou, informed that eight Mamodos are …
Zatch and Kanchome battle Keith and Buzarai but Zatch is overpowered by the pair. Zatch manages to land a "Zagurzem" on Keith but Folgore is injured in the process. Kanchome takes Folgore and flees while Kiyo and Zatch continue the battle.…
The Kanchome that disappeared was revealed to be Kanchome's clone created by the spell "Dima Buruk". Kiyo realizes the clones have a physical body and are much stronger than Kanchome. Elsewhere, Megumi's group is attacked by a Mamodo and h…
With both sides running out of energy to cast spells, they realize the victor will be the one who uses their final spells effectively. Buzarai uses his strongest spell and Kiyo realizes "Bao Zakeruga" can not defeat it unless powered by at…
The team regroups and have their wounds healed by Tia. Megumi and Tia tell Kiyo they saw Wonrei and Kiyo realizes Wonrei has failed to find a way to lift Li-en's curse and has resorted to obeying Riou. Then a man named Aleshie and his Mamo…
They enter the structure until they come upon Faudo. They enter through his mouth and proceed to the stomach where the guardian Unko Tintin awaits. He reveals that all must answer his questions before they can move on, but if anyone answer…
The team is chased through Faudo’s intestines by a giant drill while also dodging tentacles that melt anything they touch. Kiyo realizes there are holes on the walls of the small intestine that will lead them to the liver but they only ope…
Zarchim sends Wonrei to battle them and the team is hesitant to fight their former ally. Elsewhere, Li-en reminisces about the time she received Riou's curse.
The team consisting of Kiyo, Zatch, Sunbeam, Ponygon, Elle, and Momon, continues through the blood vessel maze and end up in a room where many different paths present themselves. They follow Momon's directions and end up at Faudo's heart. …
The enemy Mamodo in the room are revealed to be Kardio, his partner Sauza, and Arth. Kardio aims an ice wave at the sleeping book keepers but is intercepted by Momon and Elle. Kiyo and Sunbeam awaken and they also join the battle against t…
Kiyo masters the demonic language in under an hour and searches for the hidden functions in the device. Elsewhere, Sunbeam asks why Sauza is working with Ellie and Arth and he reveals that seeing Ellie reminded him of his sister.
Riou takes control of Faudo and announces that those who serve under him will be spared from Faudo's wrath. Everyone obliges except for the team consisting of; Kiyo, Zatch, Megumi, Tia, Folgore, Kanchome, Sunbeam, Ponygon, Alishie, Riya, E…
The team enter Faudo through his mouth with the help of Ponygon and Karudio. They follow a blood vessel to the spinal cord where they take an elevator and arrive in a room where multiple paths present themselves. The team then splits into …
Wonrei completely overwhelms Rodeux in battle and Rodeux realizes he must use Faudo's power to win against Wonrei. Elsewhere, Arth's team meets two Mamodo minions of Riou, Jedon and Fango. Sunbeam and Sauza volunteer to battle them which l…
Ponygon and Kardio begin their battle against Jedon and Fango. Ponygon's and Kardio's attacks of fire and ice cancel each other out and they are quickly overwhelmed. Fango tells Riou to turn on Faudo's support system which encases the four…
Kiyo's group continue on and run into Faudo's minions, the Mamodo Gyaron and his book owner Harry. Aleshie and Riya volunteer to battle them while allowing the others to rest and recover their energy.
Aleshie and Riya battle against Zarchim as he looks back at the time he recruited Aleshie and the embarrassment that he caused him.
Arth's team runs into Keith. Folgore manages to distract Keith to allow Arth and Ellie to continue on without being stopped. Folgore realizes Sunbeam and Sauzaa are out of energy to cast spells and tries to distract Keith while they recove…
Kiyo's team runs into Cherish and her partner Nicole. Ted tells the group to let him handle Cherish. Cherish reveals that Ted betrayed the kindness that her family gave to him. Ted reminisces about the kindness Cherish and her parents gave…
Arth and Ellie reach the room before the control room where they are confronted by Riou. Riou uses a nearby control panel and seals the entrance to the room off so the rest of the team are not able to assist him. Elsewhere, Keith and Bari …
The team is able to overpower Riou. Riou tells his book owner Bankis to come out and fight. Bankis is revealed to have been hiding inside Riou and once out, tells them that the timing to cast spells will be easier now. As Riou overpowers t…
As the team thinks of a way to break through the door to the control room, Kiyo and Zatch are teleported inside. Zeno reveals he is Zatch's twin brother. Kiyo asks Dufort, now in control of Faudo, to stop Faudo or the world will be destroy…
Tia’s new spell "Chajir Seshirdon" blocks Zeno's attack, saving the group, but Megumi and Tia lose consciousness shortly after. Dufort asks Kiyo why he wants to protect a world which had shunned him for his ability. Kiyo asks Dufort why he…
"Bao Zakeruga" defeats Zeno and causes his book to burn. Before he disappears, Zeno destroys the gem which controls Faudo and tells Zatch if he deserves Bao, he should be able to stop Faudo. Kiyo teleports everyone out of Faudo excluding h…