the memo , which has been shared on social media , says : " ' incredibles 2 ' contains a sequence of flashing lights , which may affect customers who are susceptible to photosensitive epilepsy or other photosensitivities . " this condition is known as photosensitive epilepsy or another disorder that is triggered by strobe effects . this can set a precedent to make movies ( both in the theater and at home ) safer for all viewers . more from usa today : even sophia bush has a ' lady crush ' on voyd , her breakout ' incredibles 2 ' hero ' incredibles 2 ' soars with $ 180 m : biggest opening ever for an animated film the definitive ranking of all 20 pixar movies ( including ' incredibles 2 ' ) amc supervisor mauricio mencia , who 's worked at the universal citywalk location in los angeles for the past year , says , " i ' ve never seen something like that happen . " update : after talking to some people who have loved ones with severe epilepsy warning for incredibles 2 ! jackie aker , director of media relations for the epilepsy foundation , says her organization had never before called for a movie to issue a photosensitivity warning , but earlier this year asked apple to change a promotional spot for the new ipad this is not a joke . i was at a first - night showing tonight , and last anywhere between a few seconds to more than two minutes . wait until the movie ’s released on digital bluray , and you can watch it in a fully - lit room , with someone with you who will be able to help if the strobe effects do trigger a seizure .