A Japanese adaption of Robert Louis Stevenson's Treasure Island, featuring animals as the majority of the cast. By chance Jim comes upon a map of Treasure Island. He leaves the port accompanied by Glan, the rat and Bub, the baby on a strange looking boat of his own make to look for the island. Pirates soon find him and adventure ensues.
Unfortunately the movie Animal Treasure Island is not yet available on HBO Max.
| Writing | Robert Louis Stevenson | Original Story |
| Directing | Hiroshi Ikeda | Director |
| Sound | Naozumi Yamamoto | Music |
| Visual Effects | Tatsuji Kino | Key Animation |
| Visual Effects | Katsuya Oda | Key Animation |
| Visual Effects | Takashi Abe | Key Animation |
| Visual Effects | Akemi Ota | Key Animation |
| Visual Effects | Sadao Kikuchi | Key Animation |
| Visual Effects | Hayao Miyazaki | Key Animation |
| Visual Effects | Yasuji Mori | Animation Director |
| Visual Effects | Michihiro Kanayama | Key Animation |
| Visual Effects | Reiko Okuyama | Key Animation |
| Visual Effects | Takao Kôzai | Key Animation |
| Visual Effects | Yōichi Kotabe | Key Animation |
| Visual Effects | Shigeo Matoba | Key Animation |
| Visual Effects | Koichi Tsunoda | Key Animation |
| Crew | Hayao Miyazaki | Additional Writing |
| Writing | Takashi Iijima | Screenplay |
| Writing | Hiroshi Ikeda | Writer |
