S1·E359 – Animal Night: John Daniel the First

In the 1920s a middle-aged spinster went to buy a yard of ribbon and came out with a baby gorilla. He was the first gorilla to survive captivity. His uncanny intelligence and versatility became legendary, inspiring King Kong stories. But he came to a tragic end when he was shipped to the Barnum and Bailey circus in New York where he pined for his owner and then 'died of a broken heart'.