Crayon Shinchan: The Storm Called!: Me and the Space Princess

Shinnosuke, and his sister Himawari, have a fight over a plate of custard. Suddenly, two mysterious men appear in green clothing and hats bearing sunflower emblems. They refer to Shin-chan's sister as a princess, and pass a paper to Shin-chan who signs it without hesitating. The Nohara family is promptly abducted to a UFO in a scene that draws some visual concepts from the "Phantom Zone" jail, used in the Superman motion picture series. Shin-chan and his family all travel aboard the UFO to the "Himawari planet" on a mysterious and important mission that affects Earth, and may decide the fate of peace across the entire universe.