Nobita and Doraemon were finding out the truth about a real dinosaur. Nobita saw something under the ocean when they come across a cave that leads to an underground world full of dino-people. Nobita and his friends are amazed by their new discovery but sadly their memories must be wiped and must return to earth.
| Directing | Tsutomu Shibayama | Director |
| Visual Effects | Tetsuhito Saito | Key Animation |
| Visual Effects | Hiroko Kazui | Key Animation |
| Visual Effects | Fumiyasu Saito | Key Animation |
| Visual Effects | Noriyuki Tsutsumi | Key Animation |
| Visual Effects | Yoshimasa Iiyama | Key Animation |
| Visual Effects | Yoko Kimura | Key Animation |
| Visual Effects | Takahisa Ichikawa | Key Animation |
| Visual Effects | Masami Otsuka | Key Animation |
| Art | Otaka Hamana | Background Designer |
| Art | Jun Takeda | Background Designer |
| Writing | Fujiko F. Fujio | Comic Book |
