Dennō Senshi Porygon

Denno Senshi Porygon is a banned episode on December 16 1997 at 6:30 on tv tokyo broadcasts later on that night kids had convulsions and sended to the emergency room at 7:00 pm the police had investigating what happned in that episode

Dennō Senshi Porygon Media

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  A slowed-down version of the effect that caused seizures among the viewers of the episode.

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  The incident resulted in TV Tokyo and other broadcasters establishing a series of guidelines for animated programs in Japan and other territories.