Osomatsu-kun: Greetings From The Watermelon Planet-zansu! (1989)
Episode-length Osomatsu-kun film, released as a feature of the Toei Manga Movie Festival. Loosely based on a manga chapter, the film revolves around an alien plot to take over the world.
Actors: Yō Inoue, Kaneta Kimotsuki, Mari Mashiba, Mari Yokoo, Mayumi Tanaka, Naoko Matsui, Rica Matsumoto, Megumi Hayashibara, Tetsuo Mizutori, Toru Ohira
Country: Japan