The film stars Seishiro Kato as Rantaro who is sent to a ninja training school by his parents. During the summer, their teacher is invaded by a group of rival ninjas culminating in a race to ring a bell on top of a mountain.
Unfortunately the movie Ninja Kids!!! is not yet available on HBO Max.
| Directing | Takashi Miike | Director |
| Sound | Yoshihiro Ike | Original Music Composer |
| Writing | Soubee Amako | Comic Book |
| Production | Tōichirō Shiraishi | Executive Producer |
| Writing | Yoshio Urasawa | Screenplay |
| Camera | Nobuyasu Kita | Director of Photography |
| Editing | Kenji Yamashita | Editor |
| Production | Tomoyuki Imai | Co-Producer |
