Children are lured to Metropolis only to find that the renowned, mythical city may not be the happy-go-lucky utopia they'd thought it would be.
#1Dr. Slump and Arale-chan: Hello! Wonder Island
#2Dr. Slump: Hoyoyo! Space Adventure
#3Dr. Slump and Arale-chan: Hoyoyo! The Great Race Around The World
#4Dr. Slump and Arale-chan: Hoyoyo! The Treasure of Nanaba Castle
You’re hereDr. Slump and Arale-chan: Hoyoyo! City of Dreams, Mechapolis
#6Dr. Slump and Arale-chan: N-cha! Clear Skies Over Penguin Village
#7Dr. Slump and Arale-chan: N-cha! From Penguin Village with Love
#8Dr. Slump and Arale-chan: Hoyoyo!! Follow the Rescued Shark...
#9Dr. Slump and Arale-chan: N-cha!! Excited Heart of Summer Vacation
#10Dr. Slump: Arale's Surprise Bang
#11Dr. Slump: Dr. Mashirito and Abale-chan