Why Is The Very Hungry Caterpillar So Dang Hungry?
Season 4 Episode 14 | 4m 20s | Video has closed captioning.
Because it's hoarding protein. Not just for itself, but for the butterfly it will become and every egg that butterfly will lay. And it's about to lose its mouth... as it wriggles out of its skin during metamorphosis.
Problems Playing Video? | Closed Captioning