2002 film by Takashi Shimizu

A mysterious video has been linked to a number of deaths, and when an inquisitive journalist finds the tape and views it herself, she sets in motion a chain of events that puts her own life in danger.

Mirume is a 19 year old college student who falls in love with Yuri, an almost 40 year old art teacher at his university. Yuri isn't your typical college professor, having a quirky sense of humor and unpredictable personality. When Yuri invites Murume to her studio, she playfully seduces the still naive 19 year old student. Things become more complicated when Mirume discovers that Yuri is married to a much older man....

某天，小新（矢島晶子 配音）闲逛的时候捡到一个动感超人的面具，戴上面具后，小新发现自己竟然能和动感超人通话。他被任命为代表正义的动感间谍，专门与邪恶势力作战，并且见到了他的搭档——7岁女孩苏诺萌·柠檬（愛河里花子 配音）。在柠檬的带领下，小新开始作为动感间谍的艰苦训练。在这一过程中，面向凶恶的怪大叔不断偷袭小新，而在这一系列事件背后，似乎又隐藏着两个神秘的国家——无声屁共和国与不放屁王国。看似善良的柠檬也变得正邪难辨。不久，小新更和柠檬闯入了困难重重的不放屁王国……
本片根据臼井義人的同名原著改编，是《蜡笔小新》系列第19部剧场版。