Koko - the Gorilla Who Talks

Episode 1 of 1

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

Previously Aired

Day
Time
Channel
8/3/2016
8 p.m.
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