The movie was released around the same time the TV series ended. The series producers had intended to make more movies, but Takahashi so hated this movie that she refused to sign off on any more movies. The next movie was a direct adaption of the final manga story, and the sixth movie was a tenth anniversary story that was made by a completely different team.
Ah! Mendo, I'm scared!
Ataru: Ah! Mendo, you're scary!
At the 1:11 mark, as Kakugari and Perm put Chibi's costume on him in the back seat, the camera goes in and out of focus several times.
The end credits feature pictures of characters from the "UY" series and movies. The final scene shows those who appeared at the end of the movie in a group picture.