Doraemon: Nobita and the Animal Planet (1990)
Original title: 映画ドラえもん のび太とアニマル惑星
Doraemon: Nobita and the Animal Planet is a 1990 Japanese-language fantasy movie directed by Tsutomu Shibayama, with a running time of 1h 40m. It stars Nobuyo Oyama, Noriko Ohara and Michiko Nomura.
Nobita and his friends get transported to an animal planet after a mysterious pink fog appears inside his house. They work together with the natives to find the origin of the fog.