Arizona PBS Previews

Your Inner Fish: Part 2

Preview | 30s

Our reptilian ancestors left their mark on many parts of the human body, including our skin, teeth and ears. (Also Fri. 4/18 at 4AM; Sun. 4/20 at 2PM)

Aired: 04/16/14

Expired: 04/16/14

Rating: NR

Problems Playing Video? | Closed Captioning

Arizona PBS Previews is a local public television program presented by Arizona PBS.