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Koko: A Talking Gorilla
A documentary that follows Dr. Penny Patterson's current scientific study of Koko, a gorilla who communicates through American Sign Language.
Released: Oct 11, 1978 Genre: DocumentaryCasts: Penny Patterson Koko Saul Kitchener Carl Pribram Roger FoutsDirectors: Barbet SchroederDuration: 1h 25m Rating: 7 Country: France Production: Les Films du Losange, INA