The Summer Festival in Nobita's town is cancelled due to uncertain weather, so Nobita and Doraemon make their own Summer Festival using "Summer festival kit", The festival was named 'Nobita's Festival' in the basement of a temple. Gian and Suneo came to the place help Doraemon and Nobita to set up the summer festival stall where they will sell and put some decorations, After that Nobita invited all his classmates come to his festival. Shizuka came with Nobita wearing a Yukata.
They use Gulliver's Tunnel as an entrance and make their bodies become small. everything went well. However, a dog come to ruin the festival. He was defeated by Gian's takoyaki which tasted really bad. After the chaos occurred, they decide to dance together to a song.
