Genki is a young teen boy who gets zapped into an alternate world where he makes new friends and must stop the evil Moo.
S01:E01 - In the Beginning
Genki wins a "Monster Rancher 200X" CD in a tounament. When he plays the CD he is pulled into the Monster Rancher world! There he meets Holly and Suezo and learns that their world is being threatened by Moo.
S01:E02 - I'm Mocchi!
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.
S01:E03 - Guardian of the Disks
Genki and friends come across an "enigma", a Golem that does not like to fight. They invite him to join their quest, but when Moo's troops threaten the Golem's 'Garden of Lost Disks', they discover a terrible secret about him!
S01:E04 - Eternal Worm
Genki and his friends encounter Allan, 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.
S01:E05 - Tiger of the Wind
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 lost disks and injure him. When Genki and his friends save him, he helps them defeat Captain Dino and then joins them.
S01:E06 - Hare's Trick
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.
S01:E07 - The Courageous Seven
Genki and his friends come across a beautiful valley with a small village at the foot of a dam. When Moo's troops damage the dam, Genki and the monsters must work together to save the town from utter disaster!
S01:E08 - After the Rain
Holly's past is finally revealed! She shares her story with the gang on a miserable, rainy day. She tells of how she came to be on the quest for the Phoenix with Genki and the others.
S01:E09 - The Iron Bird
Genki and the others come across an "Iron Bird", a massive flying machine. Its owner used it to escape from the land on the other side of an impassable canyon. But, the fugitive is running from the forces of Moo, and, in order to save himself, he may have to betray his new friends.
S01:E10 - The Ruin's Secret
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?
S01:E11 - Pixie's Defeat
Genki and Mocchi manage to climb out of the canyon, and Genki leaves Mocchi (who is caught by a Clay) to free his friends and all of the slaves. The meet Pixie for a showdown, but the ruins collapse while they're fighting, and Big Blue digs them out. Pixie realizes that she is doing what she despises the most by imprisoning the humans, so she decides be join the Searchers' cause.
S01:E14 - Holly's Rescue
The Searchers, aided by the Pirate Dragons, infiltrate Moo's castle. Moo tells of how he left the village and was infused with Holly's father. He also gives Holly his dagger, which was Holly's father's, to prove it. Then Genki and his friends save her, with the help of Pixie.
S01:E15 - A New Departure
The Searchers arrive to the ocean, and encounter Horn, the self-proclaimed righteous pirate. They try to get him to give them a ride across the ocean, and fight Gali's Zuum troops at the same time.
S01:E16 - Great Battle at Sea
While on Horn's ship, the Searchers have to fight off the Zillas as well Gooji, the Zillas' leader. Golem must overcome his fear of water if he is to save his friends of Gooji's wrath.
S01:E17 - Underground Adventure
Tiger and Hare's rivalry finally comes to a head, when the gang gets lost in an underground labyrinth. Hurt by Tiger's harsh words, Hare takes off on his own. But in the end, Hare's wits may be the only thing that can save them from the mind games of a Joker.
S01:E18 - Our Friend Henger Forever
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.
S01:E19 - Suezo's Secret Weapon
Suezo has always been happy to let others do the fighting for him. But, his friends have begun to take him for granted, and when Hare points out that he has no Special Attack, Suezo takes the criticism pretty hard. Genki begins to try and train him, but does Suezo have the courage it takes to show what he can really do?
S01:E20 - My Name Is Pixie
Pixie returns, and helps Genki in a battle against a group of Scaled 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.