While at camp, Tai, Matt, Sora, Izzy, Mimi, Joe, and T.K. come across seven Digivices and are transported to a strange Digital World where they make friends with creatures called Digimon who claim to be their chosen partners.

The kids come across a beach with numerous phone booths, but none of them seem to work.

The kids run away from a Monochromon battle. They come across a trolley car on a small island and decide to spend the night in it, until they are attacked by a Seadramon.

The kids come to a Yokomon village to rest for the evening until a Meramon attacks.

The kids stumble upon a factory where they find an Andromon in trouble.

While escaping the Numemon who attacked the group in the sewers on their way out of the factory, the kids are split up and Mimi ends up in Toy Town.

Tai and Matt argue whether they should climb Infinity Mountain. Joe and Gomamon decide to climb the mountain by themselves. While on the mountain, they are attacked by a Unimon.

The kids meet the ruler of File Island, Devimon, the controller of the Black Gears.

Tai and Agumon land on a snow-covered island and are forced to defeat a Frigimon.

Mimi and Palmon escape Sukamon and Chuumon and cross over to the next island where Izzy and Tentomon landed, but end up getting lost in a labyrinth and attacked by Centarumon.

Piedmon begins to turn the kids and Digimon into key chains. After nearly all allies are stopped, T.K. realizes the hope his brother Matt has for him, making Angemon digivolve into MagnaAngemon.

Piedmon and WarGreymon battle, although WarGreymon is no match for him. Matt confronts his inner darkness, as does Sora. All of the DigiDestined, except Mimi, reunite.

Joe goes off on his own to find Matt. Angewomon faces off against LadyDevimon, one of Piedmon's servants. After LadyDevimon's defeat, Piedmon tries to approach the group.

Gennai urges the group to travel to Server to defeat another enemy. Gennai also tells about Crests that will allow Digimon to digivolve further. The kids build a raft and leave File Island and are taken by Whamon to where the Crests are hidden.

The kids arrive in a Koromon village where they are confronted by Etemon. He uses his Dark Network to prevent the Digimon from digivolving and then traps the group inside a cave where they discover their first Crest, Tai's Crest of Courage.

While traveling in the desert the group is trapped by Etemon in a coliseum.

Etemon returns as MetalEtemon to take revenge on the DigiDestined. Joe and Mimi rescue Ogremon, who was injured when Woodmon attacked him. The others get inside of Puppetmon's mansion with the help of two of his playmates.

Tensions run high as a fight breaks out between Matt and Tai as well as their respective Digimon partners. Kari's body is taken over suddenly by a strange entity, to explain why the children were chosen.

Matt is tricked by Cherrymon, a minion of Puppetmon, into believing that Tai is his enemy. Meanwhile, Puppetmon's platoon of Garbagemon are handled by Lillymon and MetalGreymon.

Whamon is killed trying to help WarGreymon, who finally manages to defeat MetalSeadramon. The kids then go into a forest were they are continually taunted by Puppetmon, who uses toys to move them around.

Just as the kids are about to be destroyed by MetalSeadramon, Whamon comes to their rescue and they flee to the bottom of the ocean. However, when MetalSedramon catches up to them, a battle begins.

The kids manage to escape MetalSeadramon's minion, Scorpiomon. They try to escape by sea, but are immediately stopped by MetalSeadramon.

Matt, Gabumon, Joe, and Gomamon are forced to work at Digitamamon's diner to pay off a meal.

Izzy is trapped in Vademon's pocket dimension and robbed of his curiosity. DemiDevimon attempts to buy Izzy's Crest from Vademon and, in the confusion, Izzy recovers his Crest and his curiosity.

Joe and Tai find Mimi being treated like a princess at a palace. Sora convinces her to sing and awaken ShogunGekomom, but ShogunGekomom attacks the kids.

Sora tells the group about the meanings of their Crests and how DemiDevimon said her Crest would never glow.

Myotismon uses Gatomon to try and identify the eighth child. Kari is found by Phantomon and gives herself up so that Matt and Sora are not harmed. Meanwhile, Joe and T.K. travel back through Odaiba Bay.

Myotismon creates a barrier of fog around Odaiba and evil Digimon roam the streets. Bakemon and Phantomon begin taking people from their homes and holding them prisoner.

Wizardmon finds Kari's Digivice and brings Gatomon and Kari together. It is revealed that Kari is the eighth DigiDestined child and that Gatomon is her partner.

As the DigiDestined continue their search, Matt and T.K. run into Pumpkinmon and Gotsumon, two servants of Myotismon, who are far more interested in having fun than helping Myotismon. When they refuse to destroy Matt and T

After the DigiDestined return home, the eighth child's Digivice gets carried off by Tai's cat and sets off a signal that brings in DemiDevimon, Raremon and Izzy. Kabuterimon manages to defeat Raremon, but Izzy and Tentomon's search leads them to no results.

The DigiDestined continue their search for the eighth child. Gatomon crosses paths with Kari and wonders if she could be the eighth child.

Wizardmon finds Kari's Digivice and brings Gatomon and Kari together. It is revealed that Kari is the eighth DigiDestined child and that Gatomon is her partner.

Myotismon creates a barrier of fog around Odaiba and evil Digimon roam the streets. Bakemon and Phantomon begin taking people from their homes and holding them prisoner.

Myotismon uses Gatomon to try and identify the eighth child. Kari is found by Phantomon and gives herself up so that Matt and Sora are not harmed.

Sora tells the group about the meanings of their Crests and how DemiDevimon said her Crest would never glow. Myotismon appears and defeats the Digimon.

The group travels once again to the Digital World only to be attacked by the Digimon Emperor.

With the help of the entire team and their Digivices, WarGreymon and MetalGarurumon are able to defeat VenomMyotismon. However, immediately following the battle they must leave for the Digital World, which is once again in danger.

Gomamon is injured and left for dead by the Digimon Emperor. Joe goes with the new DigiDestined to save him. But soon after they come into the digital world, Cody gets hurt, and Joe stays to help him.

The kids manage to escape MetalSeadramon's minion, Scorpiomon. They try to escape by sea, but are immediately stopped by MetalSeadramon.

Just as the kids are about to be destroyed by MetalSeadramon, Whamon comes to their rescue and they flee to the bottom of the ocean. However, when MetalSedramon catches up to them, a battle begins.

Davis' soccer team is playing against genius Ken Ichijouji's team. The DigiDestined later find out that he actually is the Digimon Emperor.

Ken runs away from home, preferring to remain in the Digital World instead. He captures Agumon, and forces him to dark digivolve, resulting in the uncontrollable SkullGreymon.

Ken, angry at his inability to control SkullGreymon, works on his Dark Ring. Wormmon, in the hope that Ken might use him in his experiments, frees Agumon.

Just after finding a new Digi-Egg, the DigiDestined are attacked by Flymon and MetalGreymon, under the control of the Emperor's improved Dark Spiral.

Leomon returns as SaberLeomon, and saves Joe and Mimi from MetalEtemon. He is later destroyed by MetalEtemon when he attemps to save Mimi a second time.

Kari falls ill, and Tai becomes nearly hysterical in his attempts to help her. Machinedramon attacks them in a mechanical city under his control, and the group is separated.

Separated in the sewers, the DigiDestined must reunite while under attack.

The DigiDestined travel to a town out of the Japanese Edo period.

A MegaSeadramon gets the DigiDestined stuck under an oil platform.

Both the old and new DigiDestined gather to celebrate the anniversary of the day they first went to the Digital World.

Although the Dark Masters are defeated, it is not enough to stop the complete destruction of the Digital World and the children and their Digimon are forced to face the true mastermind of all the chaos - Apocalymon.

Apocalymon is defeated, and the DigiDestined prepare to spend the rest of their summer in the Digital World. However, Gennai informs them that they either have to leave quickly, or remain in the Digital World forever.