These are “the 20 science fiction moments that will make absolutely anyone cry,” as selected by io9. All of them are true tear jerkers, but the best is probably the ending of a cartoon, the Futurama episode Jurassic Bark. If you haven’t yet, watch it. It will tear your heart to pieces.
https://gizmodo.com/15-science-fiction-moments-that-will-make-absolutely-an-1055589450
