The evil Dr. Kochin uses the dragon balls to resurrect his mentor, Dr. Wheelo, in an effort to take over the world. Dr. Wheelo, his body having been destroyed by the avalanche that killed him fifty years before, desires the body of the strongest fighter in the world as his new vessel. Believing Roshi to be the world's strongest warrior, Dr. Kochin abducts Bulma and forces Roshi to surrender himself to save her. When Goku hears of their abduction, he goes to their rescue.
You can now watch Dragon Ball Z: The World's Strongest online on the following streaming providers in the United States.
| Writing | Akira Toriyama | Novel |
| Directing | Daisuke Nishio | Director |
| Writing | Takao Koyama | Screenplay |
| Camera | Motoaki Ikegami | Director of Photography |
| Visual Effects | Hisashi Eguchi | Key Animation |
| Visual Effects | Naotoshi Shida | Key Animation |
| Visual Effects | Yukio Ebisawa | Key Animation |
| Visual Effects | Yoko Iizuka | Key Animation |
| Visual Effects | Teruhisa Ryu | Key Animation |
| Visual Effects | Takeo Ide | Key Animation |
| Visual Effects | Minoru Maeda | Animation Director |
| Visual Effects | Masahiro Shimanuki | Key Animation |
| Visual Effects | Naoki Miyahara | Key Animation |
| Visual Effects | Akio Katada | Key Animation |
| Visual Effects | Hideko Okimoto | Key Animation |
| Visual Effects | Katsuyoshi Nakatsuru | Key Animation |
| Visual Effects | Kazuya Hisada | Key Animation |
| Visual Effects | Masaki Sato | Key Animation |
| Visual Effects | Masako Sankaku | Key Animation |
| Visual Effects | Noriko Shibata | Key Animation |
| Visual Effects | Tadayoshi Yamamuro | Key Animation |
| Visual Effects | Taiichiro Kohara | Key Animation |
| Visual Effects | Tetsuya Saeki | Key Animation |
| Visual Effects | Tomoya Iida | Key Animation |
| Art | Hideaki Kudo | Background Designer |
