Arthur: Martian blood?
D.W.: From the big lizards. Who are as tall as skyscrapers. And and...
Arthur: And never sleep, right? But they have to eat eat all the time and sometimes they attack each other.
D.W.: Right. How come everyone knows about this but me?
Arthur: D.W., that's from a silly movie called Attack of the Sleepless Martian Dinosaurs. Buster made me watch it.
D.W.: Tibbles! I should have known better.