Moo is finally merged with his body and immediately seeks out Genki's group. They are currently traveling over a mountain, and they come across a sleepy village. The village doesn't answer when they ask to stay in, because it is "Ogre Day" in the village, where an ogre comes and steals children. A little girl, Eve, leaves her house on during the night to seek out the mystic god who will kill the ogre, but she finds Moo, and he holds her inside an energy bubble. Moo confronts the gang, and his overwhelming offense power squashes them. But, when it looks like the end, the sun arises. Moo cannot stand the light, and flees. Eve is rescued.

Genki is a young boy with an ordinary, dull life. That is, until he gets a new game in the mail. He soon gets pulled in and must now fend for himself within the game. He soon comes across two friends, Suezo and Holly. But, will they be able to stop the terrible monster, Moo?

After trying a shortcut, the team becomes trapped in a mysterious underground cave. Will they be able to find their way out when Moo's sinister Joker and the Evil Hares are there to wreak magic havoc?

The group travels north, and comes across a village of Jill. Jill tells them of the legend of Cinderbird, who changed the evil Skullcapt into a regular Jill. Jill decides that Genki and his friends have true souls of goodness, and decide to show them the Phoenix, which is encased in a giant ice cube. But Moo comes, fully reenergized. Genki and the others attempt to lead Moo away from the Phoenix.

The gang infiltrates Naga's headquarters to take out the last of the Big Bad four!

Genki and his friends come across a group of bandits in the desert, led by Tiger of the Wind. He steals the Magic Stone, but the Baddies turn all of his friends into Mystery Disks and injure him. When Genki and his friends save him, he helps them defeat Captain Dino and then joins them.

Genki, Mocchi, Holly, and Suezo continue on their trek. Genki is concerned, however, that Mocchi is becoming a softy, so he decides to leave him with an elderly couple they meet outside of a town. Genki wants Mocchi to stay with them, but Mocchi refuses and shows his friendship toward Genki by helping him defeat the Black Dinos.

The Searchers finally confront Gali, the second of Moo's Big Four. Gali is both charming and clever, and manages to trap Genki and the others in a pit. But Mocchi escapes the trap, and the young monster must fight, alone, in order to save his friends.

When Lilim returns, she tells Durahan that she would rather give the Magic Stone to Moo. All of Durahan's forces have turned on him, and to make matters worse, Genki and his friends teleport to Durahan's warship. Lilim rigs it to explode, and she gets away with the Magic Stone. Genki and his friends confront Durahan and defeat him. Then they escape from the Iron Bird before it explodes, with Durahan onboard.

Genki and the group meet up with Jim and his Eared Mew at the Yellow River. They battle Baddies as they cross the river. Genki is angry at Jim, who thinks that he is just a kid, but sees that Genki is a strong person when he saves him.

Pixie returns, and helps Genki in a battle against a group of Scale Jells. But she and Genki become separated from the others, and when Pixie gets injured, she finds she must rely on Genki to survive. At first, she is embarrassed and angry. But Genki's compassion begins to wear away at the barrier of hatred she has built around herself.

In search of a mysterious disk, Monol tells of a great story from the past.

Genki and friends arrive in Heaven Canyon via the iron bird. In the canyon are humans mining “mystery disks” under the oppression of Moo. Are Genki and his friends strong enough to defeat them and free the imprisoned humans?

Genki and his friends encounter Alan, a young boy who is strict and cruel to his pet Worm. When he tries to ally with agents of Moo, however, he learns that loyalty is something that is given and not taken.

Genki and his friends reach a town with a giant coliseum! Tiger battles Hare, who cheats his way to a victory. Genki and the others soon forgive him and Hare offers to buy them dinner and a place to stay the night. In the morning, Hare runs off and leaves them the bill, but Tiger catches up and makes him pay. Hare apologizes, and joins the group.

General Durahan orders Mew and Gobi to show him the highlights of the Legend Cup thus far. Meanwhile, Most's public sparring match is held to raise funds for a gymnasium for young boys and girls as well as monsters that intend to participate in future monster battles.

An airplane lifts off from the crash site of General Durahan's ship. Genki and gang made it to the International Monster Association headquarters to register for the Legend Cup. During the conversation with the official, we discovered that Suezo does not know that Mocchi had to fight two monsters to win the Legend Cup. Everyone is surprised and taunts Suezo about it. Suezo felt embarrassed and tried to save his face by saying that he was just trying to make everyone relax.

Genki and Mocchi take part in the first of six competition that leads to the Legend Cup. Not only was the title at stake, a Mystery Disc containing Tiger is also on the line! Although Mocchi lost most of his fighting abilities, Genki's training allows Mocchi to make it into the final of the Rookie Cup. There Mocchi met an opponent of great skill, how can Mocchi win against an opponent that is way beyond the rookie level? Is this opponent really another competitor or is there something else to it?

The gang got interested in Hare's little baggage but Hare refuses to show them. Then, a small Dinosaur came and stole Hare's baggage! The gang gives chase and found that the Dinosaur is an orphan living under the care of Fairy Hare, one of Hare's long lost friends.

Fed up with their failures, General Durahan sends out his Shelly Gabus to deal with the gang. The Gabus caught up with the gang who found themselves on a deserted sea platform. After an intense battle, the Mystery Disc dropped into the ocean. As Mocchi and Genki searched, they encounter Professor Garnish's submarine. Garnish thought they are after his dream treasure (which is actually some sunken treasure of a pirate ship) and chased them away with his cannon. The gang came back after realizing that the only way to get the Mystery Disc back is to make peace and get Garnish to let them use the submarine.

Pink Jam and the gels who have changed their ways but are still failures in whatever they do. Incidentally, the gang meets up with them (but they don't realize it as they concealed their baddies' crest). Just as things where going well, a fearsome trio of Jokers attacked! Can Pink Jam do anything about it and can these ex-Baddies be trusted?

The gang meets up with Horn who lost his pirate ship mysteriously one night! Also, they hear about the legend of a phantom ship in these parts of the ocean. So they decided to help find Horn's ship. Surely, they found the ship alright but it is anything but empty!

Tiger meets up with Grey Wolf but refuses to acknowledge him as his brother after realizing that they are opponent in tomorrow's battle! What is Tiger doing? Tiger isn't his usual self and takes quite a beating from his brother who is very upset about Tiger's behavior. Just then, the Baddies attack! Just what is going on?

Golem and gang runs into an Old Lady who cooks the best Pizza. Just when she was about to defend her crown in the cooking competition, her secret sauce is stolen! The ransom is Holly's Mystery Disc! Can they get the sauce back in time to help the old lady defend her crown?

The gang meets up with Granity but then she becomes controlled by a machine type Baddie which enter her head. Can she fight this control and keep her promise to Big Blue never to do evil again or will she destroy the gang?

While wandering through a hude, dark forest, the Searchers are captured by a group of Moks, led by their captain, a dark Mok named Ebony. Mocchi manages to escape, and befriends a Ducken, who had been hiding in the forest from the Moks. Can Mocchi save Genki and the others or will his efforts get his new friend captured as well?

The Searchers discover an ancient city, perfectly preserved by Hengers. But, the robot caretakers are programmed to prevent anyone from entering it! When the Hengers take Holly's pendant, Genki and his friends must trust a malfunctioning Henger, who was banished from the city because of his free will, to find a way inside.

The Searchers come across a small, quiet lake in the forest. They decide to restock their food supplies with fish. However, the lake has another inhabitant, an Undine. Golem falls in love with the beautiful water spirit, but she turns out to be a servant of Moo. Will he be able to defeat her?

Naga sends the Tainted Cat Brothers to destroy Genki and his friends. Mocchi and Genki are separated from the group, and meet with the Tainted Cat Brothers' old mentor, Kato. Kato trains Genki and Mocchi, and together the two help the Tainted Cat Brothers realize that they were wrong to turn against their mentor.

The team takes a break in a meadow, and Tiger goes to look for food. While he is gone, Jagd Hound attacks. Tiger chases him, because Jagd Hound was not a Baddie. Tiger learns that Lilim kidnapped a baby Jagd Hound swore to protect, and the only way Jagd Hound would get it back was if he destroyed Genki's group. So Tiger and Jagd Hound fake Tiger's death with an Evil Hare lost disc to trick Lilim, and her plot is foiled.

Durahan unleashes a squadron of Astros to destroy Genki and the team. They lose the Astros in the ruins of a spaceship, and Captain Astro finds them and tells of how the people of Vangea tortured them, and he wants revenge on all humans. He does not realize that not all humans are evil until he falls down a waterfall, and Genki tries to save him. Astro becomes a lost disc.

Holly is determined to free his father from the Disc and trap Moo inside. The three enters a city to eat and while they are there, they saw Poritoka and Most in the Legend Cup competition. They were shocked at Poritoka's amazing fighting abilities but even more surprised when they saw the Magic Stone on the Winner's Plate. Genki thinks that the Magic Stone can help to release Holly's father. They were told that defending champions Poritoka and Most only appears in the Legend Cup. Genki and Mocchi decided to enter and win the Magic Stone for Holly. They also got reunited with some old friends.

The gang runs into Hare at an orchard and finds out that he has been living with Tama who saved Hare after the battle with Moo. Seeing that they are on such good terms, the gang cannot bear to break them apart. Leaving Hare behind, the run into Zerbasaurians that are sent by General Durahan. With Holly held hostage; Hare comes at the nick of time to save the day. In the end, Tama makes a tough decision to let Hare go.

While Mocchi is searching for food, he chance upon the Wondar Brothers. The younger Wondar is a huge Hare Type monster with immense strength while the elder Wondar is good with his brains. Mocchi brought them and their gift of gigantic potatoes back to the gang. Just as they were about to become good friends, the elder Wondar revealed that their goals clash, for he wants his younger brother to become the strongest monster there is!

In the forest, Genki is busy with creating battle plans when Wood Golem attacks. No one listens to Genki's battle plans and Genki, Mocchi and Wood Golem falls into the river. When Genki awakens to find Allan and Mocchi beside him, together with Worms who saved him. It turns out that after Moo's defeat, Allan goes around searching for and unlocking Discs, then he finds them good homes and trainers. Genki is very touched by the change in Allan.