Nube gets a new student called Jun Kagami, a shy boy who has just transferred to Doumori Elementary School. Due to his insecurities, Jun believes that his only friend is a mysterious clown entity that lives inside mirrors. It is up to Nube to find out the true nature of this clown.
Unfortunately the movie Hell Teacher Nube: At 0 a.m. Nube is Dead!! is not yet available on HBO Max.
| Directing | Yukio Kaizawa | Director |
| Production | Hiroyuki Sakurada | Producer |
| Crew | Takao Koyama | Script |
| Visual Effects | Hiroshi Koujina | Key Animation |
| Visual Effects | Yoshifumi Miyaji | Key Animation |
| Visual Effects | Naoyuki Ito | Key Animation |
| Visual Effects | Akira Kano | Key Animation |
| Visual Effects | Chizuru Mori | Key Animation |
| Visual Effects | Kiyoshi Matsumoto | Key Animation |
| Visual Effects | Takaaki Yamashita | Key Animation |
| Visual Effects | Hisashi Mori | Key Animation |
| Visual Effects | Yuuji Ikeda | Key Animation |
| Visual Effects | Tsutomu Suzuki | Key Animation |
| Visual Effects | Yuki Kinoshita | Key Animation |
| Visual Effects | Tomohiro Koyama | Key Animation |
| Visual Effects | Kazuo Takigawa | Key Animation |
| Visual Effects | Kazuya Komai | Key Animation |
| Visual Effects | Fujio Oda | Key Animation |
| Visual Effects | Katsumi Aoshima | Key Animation |
| Visual Effects | Yasuhiko Oyama | Key Animation |
| Visual Effects | Yoko Sato | Key Animation |
