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.

• DirectorTsutomu Shibayama
• Release14 March 1987
• Genre
  Animation / Adventure
• Duration1h 31m
• Budget?
• Revenue$23,400,000
• Rate
  

  6.8
  35 reviews
• Productions

  Shin-Ei Animation