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Koko: A Talking Gorilla (1978)

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 85 min None+
77
52
7.2
/986/
63
/30/
70
/21/
3.6
/1819/
100
/5/
86
/37/
Runtime: 85 min.
Released: Oct. 11, 1978
Status: Released
Certification: NR

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