There used to be a boy who could control Yo-kai with a mysterious watch. However, he became unable to see Yo-kai when he became an adult. With the boy's duties finished, the watch was buried away in space-time. Then 30 years later, quiet everyday life comes to an end as a fateful day beging with a comet drawing near. The terrible Yo-kai virus Onimaro infects people's malevolent intentions and spreads infinitely. The one chosen by the Yo-kai Watch is the one who can save humanity from its crisis. The bond between humans and Yo-kai may be recovered with the attainment of a new Yo-kai Watch.
Unfortunately the movie Yo-kai Watch Shadowside: Resurrection of the Demon King is not yet available on HBO Max.
| Art | Kojin Ochi | Storyboard Artist |
| Art | Satoru Iriyoshi | Storyboard Artist |
| Art | Satoshi Nakagawa | Storyboard Artist |
| Art | Satoshi Shimizu | Storyboard Artist |
| Art | Koji Fukasawa | Storyboard Artist |
| Art | Hiroyuki Yano | Storyboard Artist |
| Art | Shinji Ushiro | Storyboard Artist |
| Visual Effects | Akira Takeuchi | Supervising Animation Director |
| Visual Effects | Kyoko Niimura | Supervising Animation Director |
| Visual Effects | Shihomi Matsubayashi | Key Animation |
| Visual Effects | Kiyomi Torii | Key Animation |
| Visual Effects | Takaaki Wada | Key Animation |
| Visual Effects | Yoshihiro Yoshioka | Key Animation |
| Visual Effects | Tomoko Yamada | Key Animation |
| Visual Effects | Manabu Yasumoto | Key Animation |
| Visual Effects | Tomoyuki Munehiro | Key Animation |
| Visual Effects | Hirokatsu Maruyama | Key Animation |
| Visual Effects | Norihiro Matsubara | Key Animation |
| Visual Effects | Junichi Fukunaga | Key Animation |
| Visual Effects | Yuki Hijikata | Key Animation |
| Visual Effects | Ryota Niino | Key Animation |
| Visual Effects | Yuichi Nakazawa | Key Animation |
| Visual Effects | Jiamei Deng | Key Animation |
| Visual Effects | Takenori Tsukuma | Key Animation |
| Visual Effects | Kazuo Takigawa | Key Animation |
| Visual Effects | Hatsumi Takahashi | Key Animation |
| Visual Effects | Yumi Shimojo | Key Animation |
| Visual Effects | Masahito Sawada | Key Animation |
| Visual Effects | Tomoaki Sakiyama | Key Animation |
| Visual Effects | Ryosuke Kuwahara | Key Animation |
| Visual Effects | Toshihiro Kikuchi | Key Animation |
| Visual Effects | Tomohiro Kamitani | Key Animation |
| Visual Effects | Yuji Ushijima | Key Animation |
| Visual Effects | Manabu Imura | Key Animation |
| Visual Effects | Hiroki Ikeshita | Key Animation |
| Visual Effects | Tetsuro Uetake | Key Animation |
| Visual Effects | Shinichi Wada | Key Animation |
| Visual Effects | Reina Yamauchi | Key Animation |
| Visual Effects | Kurika Yamagata | Key Animation |
| Visual Effects | Motoki Yagi | Key Animation |
| Visual Effects | Yukari Miyagawa | Key Animation |
| Visual Effects | Nobuyuki Matsuo | Key Animation |
| Visual Effects | Koji Fukasawa | Key Animation |
| Visual Effects | Masumi Hattori | Key Animation |
| Visual Effects | Hiromi Niioka | Key Animation |
| Visual Effects | Yumiko Nakamura | Key Animation |
| Visual Effects | Yuuji Nakao | Key Animation |
| Visual Effects | Katsuyuki Tsubouchi | Key Animation |
| Visual Effects | Hironori Tanaka | Key Animation |
| Visual Effects | Hiromi Fushimi | Key Animation |
| Visual Effects | Eri Shikida | Key Animation |
| Visual Effects | Kazumi Sato | Key Animation |
| Visual Effects | Shiori Sakashita | Key Animation |
| Visual Effects | Kazuhisa Kosuge | Key Animation |
| Visual Effects | Mikako Kunii | Key Animation |
| Visual Effects | Koichi Kikuchi | Key Animation |
| Visual Effects | Ayumu Ono | Key Animation |
| Visual Effects | Rikiya Okano | Key Animation |
| Visual Effects | Yukihiro Urata | Key Animation |
| Visual Effects | Asako Inayoshi | Key Animation |
| Visual Effects | Michiko Asada | Key Animation |
| Visual Effects | Yukiko Watabe | Key Animation |
| Visual Effects | Masayasu Yoshida | Key Animation |
| Visual Effects | Masashi Yamada | Key Animation |
| Visual Effects | Tsutomu Yabuki | Key Animation |
| Visual Effects | Shunpei Mochizuki | Key Animation |
| Visual Effects | Tomoka Mizusawa | Key Animation |
| Visual Effects | Sadatoshi Matsuzaka | Key Animation |
| Visual Effects | Ren Fujimaki | Key Animation |
| Visual Effects | Takashi Hyodo | Key Animation |
| Visual Effects | Yukie Nishimura | Key Animation |
| Visual Effects | Youko Nagashima | Key Animation |
| Visual Effects | Shuji Nakanishi | Key Animation |
| Visual Effects | Hiroaki Tomita | Key Animation |
| Visual Effects | Mai Tsutsumi | Key Animation |
| Visual Effects | Mai Takehara | Key Animation |
| Visual Effects | Yasuko Takahashi | Key Animation |
| Visual Effects | Natsuko Suzuki | Key Animation |
| Visual Effects | Ryousuke Shiotani | Key Animation |
| Visual Effects | Yoshihisa Sato | Key Animation |
| Visual Effects | Satoshi Sakai | Key Animation |
| Visual Effects | Makoto Koga | Key Animation |
| Visual Effects | Takeshi Oda | Key Animation |
| Visual Effects | Kazuhiro Ohmame | Key Animation |
| Visual Effects | Satoru Iriyoshi | Key Animation |
| Visual Effects | Keiichi Ichikawa | Key Animation |
| Visual Effects | Tetsuro Aoki | Key Animation |
| Visual Effects | Yuji Kaneko | Compositing Artist |
| Directing | Shinji Ushiro | Director |
| Production | Akihiro Hino | Producer |
| Writing | Akihiro Hino | Writer |
| Writing | Akihiro Hino | Original Film Writer |
