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 |
| Editing | Hajime Okayasu | Editor |
| Visual Effects | Yoshiyuki Momose | Animation Director |
| Camera | Keishichi Kuroki | Director of Photography |
| Production | Takaji Matsudo | Producer |
| Art | Shouhei Kawamoto | Art Direction |
| Writing | Akira Miyazaki | Screenplay |
| Directing | Hiroshi Saitoh | Director |
| Visual Effects | Noriko Moritomo | Animation Director |
| Visual Effects | Noboru Takano | Animation Director |
| Visual Effects | Yoshiyuki Momose | Character Designer |
| Sound | Shin'ichi Tanabe | Music |
