Koko: A Talking Gorilla
A groundbreaking study follows a scientist as she teaches American Sign Language to a gorilla named Koko, uncovering the extent of his remarkable cognitive abilities.

A groundbreaking study follows a scientist as she teaches American Sign Language to a gorilla named Koko, uncovering the extent of his remarkable cognitive abilities.
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Studio(s): Les Films du Losange, INA
Originally Released: United States, Oct 11, 1978
Production Country: France
Genres:Documentary