Looking at TV shows that caused photosensitive seizures:
https://en.wikipedia.org/wiki/Denn%C5%8D_Senshi_Porygon#Reception_and_controversy
https://en.wikipedia.org/wiki/YAT_Anshin!_Uch%C5%AB_Ryok%C5%8D#Controversy
Finding the original clips seems to be quite tricky (in Germany, on the Internet) – like they became instantly taboo once a seizure was reported. I would love to see the originals in full resolution. This will have to do:
https://www.youtube.com/watch?v=Tz1SQu_LEcA
And then I found this on a somewhat related AV-techno-culture trip:
EDIT: and…
https://youtu.be/06ohSfea8ko