NOVA

Signs of the Apes, Songs of the Whales (10x10)

Air date: Oct 11, 1983

Signs of the Apes, Songs of the Whales is an episode from the PBS science television series Nova in which a group of researchers discusses animal communication. Specifically at issue is whether animals use language. The episode features the trained gorillas Washoe and Koko as well as chimpanzees, orangutans and dolphins.