蓝星星率领新闻采访队，前往水晶洞窟进行探险，意外找到传说中的地下王国，皮皮也加入其中。一个不明飞行物调入玉米地，皮皮好奇的过去查看，电视台也转播这个报道，魔王以为火球就是光之豆，于是派出手下去抢回来。大家想要去这个地下王国查探一番，却突然之间被噶噜逼到了死角，噶噜是过来抢光之豆的，大家的处境十分危险，都在争抢着逃走，但是克鲁却选择独自和噶噜战斗。皮皮为了克鲁冒险再次回到王国，阴差阳错的解除了王国的诅咒，使王国里面的公主和王子都恢复成本来的样子。克鲁受到了欲望豆的操纵，总是情绪失控的让他越来越痛苦。魔王欧帝发现了这一点，于是打算好好利用克鲁发挥他们的邪恶力量，但是魔王却没有控制好，让克鲁彻底发疯成为了新魔王

Blue Xingxing leads the news reporting team to explore the Crystal Cave and finds the legendary underground kingdom by accident, and Pippi also joins them. A UFO flew into the cornfield, and Pippi went to check it curiously, and the TV station also broadcast the report. The devil thought the fireball was the Bean of Light, so he sent his men to grab it back. Everyone wanted to go to this underground kingdom to investigate, but was suddenly cornered by Garu, who came to snatch the Beans of Light. Everyone was in a very dangerous situation, and they were all scrambling to escape, but Kru Choose to fight Garum alone. Pippi returned to the kingdom again for Crewe's adventure, accidentally lifted the curse of the kingdom, and restored the princesses and princes in the kingdom to their original appearance. Crewe was manipulated by Desire Beans, always losing control of his emotions, which made him more and more painful. Demon King Odi discovered this, so he planned to make good use of Crewe to exert their evil power, but the Demon King failed to control it well, which made Crewe completely crazy and became the new Demon King