Wednesday, November 28, 2018, 10:30-11:30 p.m. ETCheck your local listings
Learn how a talking gorilla continues to redraw the line between people and animals.
In 1971, Penny Patterson began teaching sign language to a gorilla named Koko, unaware that this relationship would define both their lives. More than 40 years later, the now-famous Koko continues to redraw the line between people and animals.
KOKO — THE GORILLA WHO TALKS full-length program. Premieres Wednesday, August 3, 2016, 8:00-9:00 p.m. ET.Watch