Nature Plastic Model Series

Episode start in Suneo's house, he invited all his friends to show his entire collection of plastic dinosaur models, this made Nobita jealous. Then Nobita went home and asked Doraemon to ask something. What plastic models are there in the 22th century?. Doraemon explained that there were many types of plastic models at Tokyo in the 22th century, Nobita wanted something like that, but it needed a large space and takes 30 years to make it.

Then Nobita wanted to make the plastic model in a short time, Doraemon doubted this because he wouldn't be able to finish it. Then he has a gadget called "Nature plastic model series number one" . This gadget contains a set plastic model of a butterfly, then Nobita and Doraemon assembled this plastic model together until complete assembly, Nobita was shocked about this, because he would be laughed at if he showed this to his friends.

Meanwhile, Suneo peeked at them using binoculars, he thought it was just a usual plastic model, he laugh at Nobita until it fell to the ground. Then they began to observe the plastic model of the butterfly, it starting from a caterpillar, cocon, until become a butterfly, once it grows up it will turn again into an egg.

Then Nobita invited Shizuka-chan come to his house, When Shizuka-chan went to Nobita's house, she met Suneo and Gianwas sitting on the pipe where they were playing. Suneo said it was just an ordinary plastic model but Shizuka-chan didn't care about that.

Shizuka-chan arrives at Nobita's house and asks him to observe a frog, They began to observe the development of a frog from the egg, tadpole until become a frog. The frog jumped from the aquarium onto Shizuka-chan which made her very scared, she rushed to Nobita's desk and said she don't like the frog. Nobita assures him that this is just plastic, then the adult turned back into an egg.

Doraemon took out all the cute plastic model animals for Shizuka-chan. Then she chose a swallow, Shizuka think what if this bird grow adult become egg again?, so Doraemon gave him a stop spray so when was an adult, the swallow he chose would not return back to an egg.

When he returned home, Shizuka met Suneo and Gian again. She wanted to immediately breed the plastic models of his swallows. Suneo still didn't believe this, he went to Shizuka-chan's house to see what was happening, then he saw a swallow made of plastic that was alive and even had children.

Suneo was annoyed by this. He immediately went to Nobita's house and took some nature plastic models. Doraemon tries to prevent it, Suneo says there are mouse eggs there which makes Doraemon scared, Then he come to think of it mice don't lay eggs, when he returned, Suneo had taken a large model and the stop spray.

Suneo tried to grow the plastic model he had taken and spraying the stop spray, Not long after, that animal grew bigger, Suneo panicked and called Doraemon and Nobita to come to his house immediately. and it turned out that Suneo had taken a supersaurus animal which destroyed his entire house.