I know an old lady who swallowed a fly, I don't know why she swallowed a fly. There was an old lady who swallowed a spider; it wiggled and wiggled down inside her. She swallowed the spider to eat up a fly. I don't know why she swallowed the fly. There was an old lady who swallowed a ...(and on and on) There was an old lady who swallowed a horse. She died of course.
I Know an Old Lady Who Swallowed a Fly
This short animation film is cartoon illustration of the eponymous nonsense song by Canadian folksinger Alan Mills.