The Amusement Park of Dreams, Digimon Land!

Learning of a Digimon-themed amusement park, Tagiru and Gumdramon follow a pair of Bakomon into the DigiQuartz where the Digimon Land is located. There, confronting the manager Jokermon, Tagiru and company learn that the park is a front for its owner, Sakkakumon, to swallow the energy produced from children's happiness, becoming larger and more powerful for each child he consumes in conjunction to Digimon Land's mutual expansion.