之后,一个神秘的环保组织SKBE掳走了小新一家人,而为首的,竟然是双叶里的里长四膳守(山寺宏一 配音)。原来,四膳首是一位激进的环保主义着,妄图通过一种神秘的药物将破坏环境的人类全部都变成动物,而小新捡到的神秘液体就是还尚处于测试阶段的药物,四膳守准备将美伢和广志当做实验对象进行研究。在神秘女子维多利亚(后藤邑子 配音)的帮助下,小新一行人成功出逃,他们和春日部防卫队一起,决心破解四膳守的阴谋。
Keiko Nadachi is a substitute weather-girl for Michiko Kawai yuankan.cc on J-TV. As a way of signing off, she hikes up her skirt and flashes her underwear at the audience. This move makes her an instant cult TV figure and a celebrity. Then Kaori comes back to work and an all-out war erupts between the two of them, with an old high school flame of Keiko's trapped in the middle.
另一方面,在东京和上野的圣熊猫学校,Kei的宿舍生活优雅而暴力,对Yu和MAHO、最受欢迎的京都、厌食症怪物snow、富有的多面音乐家和saki没有依赖,他们都没有想过。重新沐浴吧!