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A documentary that follows Dr. Penny Patterson's current scientific study of Koko, a gorilla who communicates through American Sign Language.
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Koko: A Talking Gorilla(1978)
Koko, le gorille qui parle
October 11, 1978 · 1h 25m
A documentary that follows Dr. Penny Patterson's current scientific study of Koko, a gorilla who communicates through American Sign Language.
