Digimon Frontier (2002)

Synopsis

Five children receive strange messages on their cell phones that lead them to a train that takes them to the Digital World, a strange world filled with bizarre creatures called Digimon. These children have been sent there to stop an evil Digimon named Cherubimon from completely annihilating the planet of all its inhabitants. In order to accomplish this, the five children must locate their "spirits", which will evolve them into the Legendary Warrior Digimon. Unfortunately for them Cherubimon has ordered his servants to stop the kids from finishing the mission; eventually the children will have

Digimon Frontier is a TV show that premiered in 2002. Created by Akiyoshi Hongo. Starring Junko Takeuchi, Hiroshi Kamiya and Sawa Ishige.