This is the first and only Yo-kai Watch movie where the voice actors of the main characters got changed in other media.
In the 2017 McDonald's Calendar released in late 2016, it listed a date for when a possible fourth movie would come out, which was December 17, 2016, one day before the actual film's premiere.
When the movie was released in South Korea, a dubbed version of a Snack World short film screened with it in theaters.
- It is unknown which film it is, as two separate Snack World short films screened with the second movie and the third movie in Japan.
Because of Jibanyan's personality in the Yo-kai Watch Shadowside (2018) series, his respect is not easily earned. But after seeing Summer save a kitten from getting hit by a speeding truck, he quickly jumps in to save her.
- This could be because she briefly reminded him of Amy during that scene.
Invader Mode Usapyon, Dame Dedtime, Narwail, Komajiro, and Noway all appear in the credits for as a callback to the other movies.