The Yacht Adventure

When his mother comes out of the back door and gives him a big, unnecessary cardboard box, Nobita sits down inside the box and falls asleep. In his dream, he is yachting on the sea with Shizuka when he is woken up by Doraemon.

After hearing the story of his dream from Nobita, Doraemon also gets inside the box and the two of them play around, imagining themselves having an adventure on the sea, but Gian and Suneo, who happen to be passing by, see them and burst out laughing. They boast that they have been on a real yacht, and Nobita is mocked for not liking the cardboard yacht.

Doraemon gets angry and says he will make it into a real yacht! He takes out "Donbura powder", which floats to the ground when rubbed. He immediately turns the box over and rubs Donbura powder on the bottom. When he turns it back over, he is surprised that it really floats to the ground!

After erecting a mast using bamboo poles and sheets, the two climb onto the yacht and let the wind carry them out onto the road...!?