Tamagotchi: The Movie! The Happiest Story in the Universe!? Mametchi and his friends must save Tamagotchi world from a book that is beginning to destroy reality, entitled "The World's Happiest Story". Details Casts Posters Title Tamagotchi: The Movie! The Happiest Story in the Universe!? Release Date 2008-12-20 Runtime 01 Hours 30 Minutes Genres Animation Fantasy Comedy Production Companies OLM Production Countries Japan Yuko Gibu... Chamametchi... Ryoka Yuzuki... Memetchi... Asami Yaguchi... Kuchipatchi... Junko Takeuchi... Kikitchi... Satomi Korogi... Hapihapitchi... Daisuke Sakaguchi... Happy... Rie Kugimiya... Mametchi... Original Size (857x1200)