Episode 01 – And So It Begins …
At summer camp, Tai Kamiya, Matt Ishida, Sora Takenouchi, Izzy Izumi, Mimi Tachikawa, Joe Kido, and T.K. Takaishi are each given a Digivice and are swept off into the Digital World, where they are found by seven other Digimon. When they are attacked by Kuwagamon, the Digimon Digivolve into their rookie forms and defeat him. However, Kuwagamon causes the cliff to collapse underneath them and they fall into the river.
Episode 02 – The Birth of Greymon
The children find themselves at a beach, where they find non-functioning telephone booths. Hoping to find a way home, they are suddenly attacked by a Shellmon. Agumon is the only Digimon capable of fighting due to eating, and when Tai is captured by Shellmon, Agumon Digivolves into Greymon and throws Shellmon into the ocean.
Episode 03 – Garurumon
The group discover a trolley car by a lake, where they decide to spend the night. Tai accidentally awakens a Seadramon by burning its tail, who pulls the island that the trolley car sits on into the middle of the lake. Sensing that T.K. is in danger, Matt confronts Seadramon and is captured. Gabumon Digivolves into Garurumon and defeats Seadramon, rescuing him.
Episode 04 – Biyomon Gets Firepower
The group leaves the forest and reach a desert, where they find a village of Yokomon. They are taken to a nearby water spring, which his connected to Mount Miharashi, but they discover that the spring has dried up due to Meramon coming under control of a Black Gear. Biyomon Digivolves into Birdramon to protect Sora and the village, destroying the Black Gear and restoring Meramon’s usual self.
Episode 05 – Kabuterimon’s Electro Shocker
The group explore a factory, with Izzy uncovering coding while Matt, T.K., and Mimi examine the assembly line. Tai, Sora, and Joe find Andromon caught in machinery, who attacks them after a Black Gear enters his leg from when the group frees him. Izzy uses the coding to Digivolve Tentomon into Kabuterimon, who destroys the Black Gear. As an apology, Andromon shows the children the exit, which takes them to the sewers.
Episode 06 – Togemon in Toy Town
While escaping the Numemon in the sewers, the children are split up. Mimi and Palmon end up Toy Town after being attacked Monzaemon, and they find that the other children have been put under a spell to play with the toys while their partner Digimon have been captured. Mimi confronts Monzaemon, and when the Numemon are hurt trying to protect her, Palmon Digivolves into Togemon. Togemon destroys the Black Gear controlling Monzaemon, returning the other children to normal as well.
Episode 07 – Ikkakumon’s Harpoon Torpedo
When Tai and Matt argue about climbing Infinity Mountain to get a better view of their surrounding, Joe and Gomamon decide to climb the mountain by themselves. While on the mountain, they are attacked by Unimon. Tai and Sora come to their rescue, and Gomamon Digivolves into Ikkakumon to save Joe and destroy the Black Gear controlling Unimon. The three children soon reach the peak and learn they are on an island.
Episode 08 – Evil Shows His Face
After the children regroup, they are attacked by Leomon, who has fallen under the control of a Black Gear, and Ogremon. After escaping, the children and their Digimon find a mansion to stay for the night, which they discover to be an illusion created by Devimon. Devimon separates the children by breaking up File Island, and when Tai’s Digivice frees Leomon from the Black Gear, Leomon sacrifices himself to allow him to escape.
Episode 09 – Subzero Ice Punch!
Tai and Agumon land on a snow-covered island and free Frigimon from a Black Gear. Frigimon proceeds to help Tai and Agumon cross over to the island where Matt and Gabumon landed. Meanwhile, Matt gets hypothermia from searching for T.K., but Gabumon nurses him back to health. Tai and Matt reunite the following day, but they get into a fight over their next course of action. When Mojyamon attacks them, Agumon and Gabumon are able to Digivolve and expel the Black Gears Mojyamon and the island, causing them to move back towards Infinity Mountain.
Episode 10 – A Clue from the Digi-Past
After freeing Sukamon and Chuumon, Mimi and Palmon locate Izzy and Tentomon. However, Izzy is busy decoding the writing in the ruins, causing Mimi to run off and get lost in the labyrinth with Tentomon. They are attacked by Centarumon, but Izzy and Palmon find them and help destroy Centarumon’s Black Gear. When Centarumon tell Izzy and Mimi about their Digivices, Leomon attacks them, but they use the Digivices to drive him off. Mimi causes the island to move back towards Infinity Mountain