Koko - The Gorilla Who Talks

Koko - The Gorilla Who Talks

Passport Special | 54m 51s Video has closed captioning.

In 1971 Penny Patterson began teaching sign language to a gorilla named Koko, unaware that this relationship would define both their lives. Over 40 years on, now internationally famous, Koko continues to redraw the line between people and animals.

Aired: 08/02/16

Expires: 01/01/24

Rating: TV-G

Problems Playing Video? | Closed Captioning