Alley Oop by Jonathan Lemon and Joey Alison Sayers for April 14, 1939
ooola: so we can't ever get back to moo? alley oop: Gosh, what about my dinny? doc: I'm afraid you're a million years from him, too! man: who's dinny? ooola: dinny is alley's big dinosaur. man: Dinosaur? you don't mean-- alley oop: Why, sure! we had lots of 'em in moo! man: but, good heavens, doc, dinosaurs became extinct in the cretaceous! doc: That means that instead of just one million years, our time machine must have gone back fifty million! man: But that was before man was ever heard of! doc: mmm! well, behold the unheard of!