Crayon Shin-chan Movie 22: Gachinko! Gyakushuu no Robo To-chan (Crayon Shin-chan: Serious Battle! Robot Dad Strikes Back)
In the kindergartner Shin-chan's latest movie, his father goes for a massage to fix his sprained back. However, he returns home as a robot, "with a snort more powerful than an electric fan!" The "father revolution" breaks out throughout the land.
[Source: Anime News Network]