A girl named Olga is pursued by both the World Government and a man named Mad Treasure, as she is the only one who knows the location of the Pure Gold, a substance that can buy the entire world. Olga ends up sailing with the Straw Hat Pirates, and they journey to find the Pure Gold on the lost island of Alchemi, which is located inside the stomach of a large angler fish named Bonbori.
Unfortunately the movie One Piece: Heart of Gold is not yet available on Disney Plus.
| Visual Effects | Yoko Iizuka | Key Animation |
| Visual Effects | Satoru Yamashita | Key Animation |
| Visual Effects | Masahiro Sasaki | Key Animation |
| Visual Effects | Naotoshi Shida | Key Animation |
| Visual Effects | Shinichi Iimura | Key Animation |
| Visual Effects | Keiichi Ichikawa | Character Designer |
| Visual Effects | Cesar de Leon | Key Animation |
| Visual Effects | Tsutomu Ohno | Animation Director |
| Visual Effects | Keiichi Ichikawa | Supervising Animation Director |
| Writing | Tsutomu Kuroiwa | Screenplay |
| Directing | Tatsuya Nagamine | Director |
| Visual Effects | Hiroyuki Kamura | Key Animation |
