This is a folk-tale-like adventure story of an active boy on a quest for the Water of Life. The boy sets out on this quest after learning that the Water of Life is needed to make his village happy. On the way, he meets gods, demons... Soon, he discovers that the evil snake has stolen the Water, and he heads for the snake's palace. Defeating the snake is not easy since it has the Water of Life to revive itself. This boy - Maegami Tarou - continues his courageous quest in cooperation with various creatures and the gods.
Unfortunately the movie Maegami Tarou is not yet available on HBO Max.
| Writing | Miyoko Matsutani | Original Story |
| Visual Effects | Yoshiyuki Momose | Character Designer |
| Sound | Shin'ichi Tanabe | Music |
| Editing | Hajime Okayasu | Editor |
| Art | Shouhei Kawamoto | Art Direction |
| Camera | Keishichi Kuroki | Director of Photography |
| Production | Takaji Matsudo | Producer |
| Writing | Akira Miyazaki | Screenplay |
| Directing | Hiroshi Saitoh | Director |
| Visual Effects | Yoshiyuki Momose | Animation Director |
| Visual Effects | Noriko Moritomo | Animation Director |
| Visual Effects | Noboru Takano | Animation Director |
