Digimon Digital Monsters (Season Two)

Digimon Digital Monsters  (デジモンアドベンチャー, Dejimon Adobenchā ?) is a Japanese animated television series created by Akiyoshi Hongo and produced by Toei Animation based on the Digimon virtual pet made by Bandai and is the first anime installment in the Digimon media franchise. The series is continued with the same characters in Digimon Adventure 02.

The planning for Digimon Adventure started in 1998 and was done in cooperation by Toei Animation, Bandai and Fuji Television.

five children from Japan are suddenly thrust into a strange dimension called the "Digital World" while they are at summer camp. During their adventure, children Matt, Sora, Izzy, Mimi and Joe discover that they are in a land where digital creatures called "Digimon" dwell. Befriending seven other Digimon, the children learn that they have the ability to help their partners digitally evolve (digivolve) into stronger, powerful forms that can combat enemies for a short amount of time. Setting off on their journey, the children start searching for a way home.

Plot
The DigiDestined travel to the continent Server and learn they have the ability to help their Digimon digivolve further with the power of Crests. However, Etemon, who runs his Dark Network across the continent, is also interested in them and attempts to prevent the DigiDestined from obtaining them. Once all the Crests have been gathered, Tai and MetalGreymon destroy Etemon and his Dark Network for good. Unfortunately, they slip into the Real World, where they realize that evil Digimon have begun crossing a dimensional gate from the Digital World to enter Earth.