PBS Presents

Think Wednesday | Next on November 22

Preview | 30s | Video has closed captioning.

First, uncover nature’s biggest little secrets from mini nocturnal monkeys to sand-sculpting puffer fish. Later, uncover the secrets of nature’s battleground — claws, horns, fangs and all. Finally, view an intimate portrait of the ongoing economic crisis told through kids growing up in the Midwest.

Aired: 11/22/17

Rating: NR

Problems Playing Video? | Closed Captioning