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Deep Look Episodes

Why Is The Very Hungry Caterpillar So Dang Hungry?

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.

Premiere Date: July 11, 2017 | Runtime: 00:04:42

About 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.