Doraemon

Doraemon: Nobita and the Animal Planet[1] (のび太とアニマル惑星 Doraemon: Nobita to Animaru Puranetto?) is a feature-length Doraemon film which premiered on March 10, 1990. It starts with Nobita seeing a mysterious pink gas at his house. He enters it and arrives at a planet where all animals that can talk. When he wakes up, he tells his dream to his friends. But they do not believe him. When back home, he sees a flower which he had taken from that planet.