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PLOT----------
Nobita has been having a weird dream about a boy named Roppel and his strange companion Chami traveling in space. Von a twist of fate, he met them in person where it turns out that they are real and that they were being pursued in space, causing their Weltraum vehicle to malfunction, connecting the Weltraum vehicle itself with Nobita's room. They journeyed to Roppel's planet and amidst their enjoyment, Nobita and Doraemon pledged to help Roppel's planet free from their oppressors.
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PLOT------
Nobita protected a dinosaur from hunters from the future who wanted to kill it and sent it to the past. Because of an error, Nobita and his Friends came back to the past Von the time machine and moved the dinosaur from North America to Japan. They the met the hunters and ran away. However, the dinosaur with Nobita and his Friends was caught. The Tyrannosaurus and universe-police helped them and gave the dinosaur freedom and let it roam in nature. Nobita and his Friends come back to the 20th century.
