Based on the specific phrasing , it is highly likely you are looking for information regarding the infamous Dutch educational film titled "Sexuele Voorlichting" (often referred to in internet culture as "The 1991 Video"). Chella Dini 010529 Min Here
While the video was intended to teach Dutch children about puberty in a healthy way, the "online upd" version has been twisted by the internet into a "cursed" or "banned" tape, mostly due to cultural differences regarding nudity and the eerie quality of 90s analog footage. #имя?: Help Others Fix
The film is a no-nonsense, documentary-style short film featuring a group of adolescents (around 11–12 years old) and adults discussing puberty, relationships, and reproduction.
In the early 2010s, on image boards like 4chan, users began circulating a fake story about a video called "The Grifter." The story claimed that watching a specific, disturbing video would cause nightmares or insanity. Users would trick new members into watching "Sexuele Voorlichting 1991" by claiming it was The Grifter. The grainy footage of naked children in a locker room or shower setting (standard hygiene education in the video) would shock the unsuspecting viewer, fulfilling the "shock site" purpose of the prank.
Here is an interesting breakdown of why this specific video became a viral phenomenon, the context of 1991 sex education, and the "upd" (update/online culture) surrounding it. In the Netherlands, sex education is mandatory and world-renowned for being pragmatic and open. In 1991, an educational video was produced (often attributed to the Rutger Stichting, a Dutch organization for sexual education) to be shown in schools.