PBS Anywhere

Providing Support for PBS.org

Your Inner Fish

Your Inner Fish

Episode 1 | 55m 11s

Our arms, legs, necks and lungs were bequeathed to us by a fish that lumbered onto land some 375 million years ago. The genetic legacy of this creature can be seen today in our own DNA, including the genes used to build our hands and limbs.

Aired: 04/09/14

Expired: 06/29/14

Rating: NR

Video has closed captioning.
Watch Preview

Problems Playing Video?