Why Is The Very Hungry Caterpillar So Dang Hungry?
Because it's hoarding protein.
Why Is The Very Hungry Caterpillar So Dang Hungry? Deep Look
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.
About the Program
Deep Look
See the unseen at the very edge of our visible world. Get a new perspective on our place in the universe and meet extraordinary new friends. Explore big scientific mysteries by going incredibly small.
Here’s your ticket to stream.
Stream the best of public television on demand with GPB Passport: MASTERPIECE dramas and mysteries, NOVA, Ken Burns documentaries, Finding Your Roots and more. Binge full seasons, get early access to new episodes before they air on television and catch up on programs you missed with this powerful donor benefit from GPB!