en PelisPlus. 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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Tags: # 1970 # pelicula completa # pelicula completa online # pelisplus # pelisplus2 # pelisplus 3 # pelisplushd # pelispedia # pelisgratis # gnula # miradetodo # repelisplus # pelis24