Calumon is being attacked by a digimon and somehow appears in the real world. Meanwhile, a boy named Takato finds a mysterious blue card. His obsession with the Digimon game leads him to create a digimon, and when he finds a Digivice the Digivice copies his created digimon's data and creates a real digi-egg.
Calumon watches kids in Takato’s school play soccer and wishes to be a really good soccer player. He convinces Guilmon to come out of his hiding place and play with him.
Rika is disappointed with her mother and with Renamon for not being able to digivolve while fighting Allomon and instead getting help from Guilmon and Terriermon.
Guilmon vanishes due to an experiment. Worried about their digimon Henry and Rika join Takato in the quest of rescuing Guilmon without the help of Terriermon or Renamon.
Impmon is scaring couples at night in the park, but Takato suspects Guilmon of causing this trouble. Impmon takes Guilmon out and when Takato finds him missing he suspects more of him.
After the battle with Devidramon, Takato tries to make Growlmon de-digivolve into Guilmon, but all to no avail. When it begins to rain, Takato despairs of ever getting his old friend back.
A Musyamon attacks Henry and Takato jumps to the rescue. But Guilmon isn't able to win this battle alone, so Henry has to fight with his own thoughts on the subject of Terriermon Digivolving since last time he couldn't handle the power of Gargomon.
Rika and Renamon struggle as they contemplate whether or not they need each other to become powerful. Renamon is attacked by a swarm of hostile Flybeemon, but she defeats her enemies and then considers what Impmon told her about becoming powerful without the aid of a human tamer.
Takato is depressed after Henry and Rika have previous commitments and can't go Digimon patrolling, but he feels better when he goes with Guilmon to play with his school friends.
Impmon says he hates humans to cover up his own insecurities. While the Tamers are battling the next Deva, Indramon, Impmon decides to battle this Deva all by himself.
Impmon is defeated by Indramon; Indramon then seems to self destruct willingly. Mr. Wong is introduced to the Juggernaut program and is asked to help destroy the Digimon.
Jeri and her friends go to find Takato, as they hide and discuss how they would be great tamers Jeri drops an impressive collection of digimon cards on the ground.
A string of earthquakes are disturbing the city. The friends meet at Guilmon's hideout and while Rika helps Jeri learn about digicards Henry shows everyone that the devas are patterned after the Chinese horoscope animals.
Once the gang enters the digital world Rika spots "satellite" hoping Calamon would be there so they walk along trying to find Calumon but it turns out that the satellite Rika saw were Rock.
Takato and the others end up at a Chuchidarumon village while being attacked by a motorcycle with no rider. During this time, Impmon, now in the digital world as well, meets a Deva who says can help him digivolve.
The second group falls into a strange dimension full of clocks. After being attacked by a Megadramon, the group meets Ryo, the legendary tamer who once beat Rika in a tournament.
Yamaki was in contact with the tamers so when he came to know that tamers wanted to come back he called the team who at first made the digimons and asked them to build a transportation type digimon that can take the kids out of there.
Takato, Rika and Henry reunited to fight against the D-Reaper but they failed to defeat it as they realized that they can not Biomerge to Mega form in this world as they are not data in this world. Impmon meets his friends Ai and Mako.
