Not everything that comes on movies and television are ok for everybody in the audience. Some people have visual triggers or plot points that they just can’t deal with emotionally, both children and adults. If you want to have a good time at the movies without worry, check out Does the Dog Die, the website that shares spoilers so you’re not surprised.
This website just lists common upsetting elements of film and TV, such as killing the dog or worse, actual children. This way people who are upset by such elements and don’t want to be exposed, or at least have an early warning, will know and can prepare themselves.
This site is used by parents in many cases to they know what’s coming and a) decide if the media is right for their child and b) help preplan discussions. It also used by people who can’t stand to see people throwing up graphic surgery. There are lots of uses for the site and if you want to know what’s in a show before you see it, this site may be of help.