Koko - The Gorilla Who Talks

Koko - The Gorilla Who Talks

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

Expired: 09/30/20

Rating: TV-G

Problems Playing Video? | Closed Captioning