Legendary chimpanzee researcher Jane Goodall joins host Neil deGrasse Tyson for a featured interview. Tyson is joined in the Cullman Hall of the Universe by comedian co-host Chuck Nice and biological anthropologist Jill Pruetz to discuss chimp behavior, animal and environmental ethics and the evolutionary differences between chimpanzees and humans. Primatologist and anthropologist Natalia Reagan joins the conversation from a chimpanzee sanctuary in Georgia.