Digimon Adventure

The kids and their Digimon find themselves back in the Digiworld. Shortly after coming back, Kari finds Chuumon, a mouse-like digimon, who tells them that a lot of time has passed since they left and now the four Dark Masters have moved the DigiWorld to Spiral Mountain and are planning to take it over. MetalSeadramon shows up but the kids and Digimon are able to escape, they are unable to defeat him because he is an untimate level Digimon. The next Dark Master, Puppetmon, controls the kids and Digimon with strings and drops them off to see the fourth Dark Master, Piedmon. Piximon shows up at the last second and rescues them. The third Dark Master is Unknown at this time.