When the evil Yo-Kai Kin, Gin and Bronzlow makes the Yo-Kai Watch disappear from time so they can help Dame Dedtime prevent humans and Yo-Kai from being friends, Nate Adams finds help in the Yo-Kai Hovernyan, who takes Nate, Whisper and Jibanyan 60 years to the past, when the Yo-Kai Watch was first invented by Nate's grandfather, Nathaniel Adams, while he was a boy. Together, the 2 boys fight Dame Dedtime and her evil Wicked Yo-Kai minions to save the world from her evil plans.
| Actor | Role |
|---|---|
 Haruka TomatsuKeita Amano (voice) | Keita Amano (voice) |
 Tomokazu SekiWhisper / Buchinyan (voice) | Whisper / Buchinyan (voice) |
 Etsuko KozakuraJibanyan / Buchinyan / Shogunyan (voice) | Jibanyan / Buchinyan / Shogunyan (voice) |
 Romi ParkKeizo Amano (voice) | Keizo Amano (voice) |
 Yuki KajiDarknyan / Hovernyan / Meganyan (voice) | Darknyan / Hovernyan / Meganyan (voice) |
 Ainosuke KataokaTokio Ubaune (voice) | Tokio Ubaune (voice) |
 Vanilla YamazakiKin (voice) | Kin (voice) |
 Mika KanaiGin (voice) | Gin (voice) |
 Hisako KyodaYukiko Amano (voice) | Yukiko Amano (voice) |
 Haruka ShimazakiYoung Yukiko Amano (voice) | Young Yukiko Amano (voice) |
 Naoki BandoBronzlow / Manjimutt / Robonyan / Roughraff (voice) | Bronzlow / Manjimutt / Robonyan / Roughraff (voice) |
 Aya EndoKomasan / Fumiko Kodama (voice) | Komasan / Fumiko Kodama (voice) |
 Masahito YabeDandoodle / Happiere / Walkappa (voice) | Dandoodle / Happiere / Walkappa (voice) |
 Ryoko NagataKyubi / Mrs. Amano (voice) | Kyubi / Mrs. Amano (voice) |
 Ken ShimuraMaster Nyada (voice) | Master Nyada (voice) |