A whale flies over Sakura New Town (Springdale in most English-language releases of the series) and makes a whale noise that engulfs the city in a rainbow light, suddenly turning everything, including Keita Amano (Nathan "Nate" Adams in most English-language releases of the series) and his Yo-kai, live-action. While trying to solve this weird mystery, it is later revealed to be the work of a Yo-kai Keita decides to call "Koalanyan".
On its opening weekend in Japan, the film was number-one in admissions, with 545,211,[6] and number-two in gross, with ¥608 million (US$5.2 million).[7][8] By January 11, the film earned ¥2 billion (US$17.43 million) and tops on number-one from the previous number-five.[9]
^Yo-kai Watch: Soratobu Kujira to Double no Sekai no Daibōken da Nyan! (映画 妖怪ウォッチ 空飛ぶクジラとダブル世界の大冒険だニャン!, Eiga Yōkai Wotchi Soratobu Kujira to Daburu Sekai no Daibōken da Nyan!, lit. "Yo-kai Watch the Movie: The Great Adventure of the Flying Whale and the Double World, Meow!")
^"Nate Adams" in most English-language releases of the series.
^"Shogunyan" in most English-language releases of the series.
^"Venoct" in most English-language releases of the series.
^"Illuminoct" in most English-language releases of the series.
^"Darkyubi" in most English-language releases of the series.
^"Katie Forester" in most English-language releases of the series.
^"Barnaby "Bear" Bernstein" in most English-language releases of the series.
^"Edward "Eddie" Archer" in most English-language releases of the series.
^"Lily Adams" in most English-language releases of the series.
^"Aaron Adams" in most English-language releases of the series.
^"Manjimutt" in most English-language releases of the series.
^"Hailey Anne Thomas" in most English-language releases of the series.